Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6

Documentation/lguest/lguest.c

@@ -486,9 +486,12 @@ static void concat(char *dst, char *args[])
 	unsigned int i, len = 0;
 
 	for (i = 0; args[i]; i++) {
+		if (i) {
+			strcat(dst+len, " ");
+			len++;
+		}
 		strcpy(dst+len, args[i]);
-		strcat(dst+len, " ");
-		len += strlen(args[i]) + 1;
+		len += strlen(args[i]);
 	}
 	/* In case it's empty. */
 	dst[len] = '\0';

Documentation/pci.txt

@@ -123,7 +123,7 @@ initialization with a pointer to a structure describing the driver
 
 
 The ID table is an array of struct pci_device_id entries ending with an
-all-zero entry; use of the macro DECLARE_PCI_DEVICE_TABLE is the preferred
+all-zero entry; use of the macro DEFINE_PCI_DEVICE_TABLE is the preferred
 method of declaring the table.  Each entry consists of:
 
 	vendor,device	Vendor and device ID to match (or PCI_ANY_ID)
@@ -193,7 +193,7 @@ Tips on when/where to use the above attributes:
 	o Do not mark the struct pci_driver.
 
 	o The ID table array should be marked __devinitconst; this is done
-	  automatically if the table is declared with DECLARE_PCI_DEVICE_TABLE().
+	  automatically if the table is declared with DEFINE_PCI_DEVICE_TABLE().
 
 	o The probe() and remove() functions should be marked __devinit
 	  and __devexit respectively.  All initialization functions

Documentation/scheduler/sched-stats.txt

@@ -142,7 +142,7 @@ of idleness (idle, busy, and newly idle):
 
 /proc/<pid>/schedstat
 ----------------
-schedstats also adds a new /proc/<pid/schedstat file to include some of
+schedstats also adds a new /proc/<pid>/schedstat file to include some of
 the same information on a per-process level.  There are three fields in
 this file correlating for that process to:
      1) time spent on the cpu

Documentation/usb/usb-help.txt

@@ -1,5 +1,5 @@
 usb-help.txt
-2000-July-12
+2008-Mar-7
 
 For USB help other than the readme files that are located in
 Documentation/usb/*, see the following:
@@ -10,9 +10,7 @@ Linux-USB project:  http://www.linux-usb.org
 Linux USB Guide:    http://linux-usb.sourceforge.net
 Linux-USB device overview (working devices and drivers):
                     http://www.qbik.ch/usb/devices/
-    
-The Linux-USB mailing lists are:
-  linux-usb-users@lists.sourceforge.net   for general user help
-  linux-usb-devel@lists.sourceforge.net   for developer discussions
+
+The Linux-USB mailing list is at linux-usb@vger.kernel.org
 
 ###

MAINTAINERS

@@ -2156,7 +2156,7 @@ L:	netdev@vger.kernel.org
 S:	Maintained
 
 IPATH DRIVER:
-P:	Arthur Jones
+P:	Ralph Campbell
 M:	infinipath@qlogic.com
 L:	general@lists.openfabrics.org
 T:	git git://git.qlogic.com/ipath-linux-2.6

Makefile

@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 25
-EXTRAVERSION = -rc4
+EXTRAVERSION = -rc5
 NAME = Funky Weasel is Jiggy wit it
 
 # *DOCUMENTATION*

arch/alpha/kernel/pci_iommu.c

@@ -144,15 +144,14 @@ iommu_arena_find_pages(struct device *dev, struct pci_iommu_arena *arena,
 	unsigned long base;
 	unsigned long boundary_size;
 
-	BUG_ON(arena->dma_base & ~PAGE_MASK);
 	base = arena->dma_base >> PAGE_SHIFT;
-	if (dev)
-		boundary_size = ALIGN(dma_get_max_seg_size(dev) + 1, PAGE_SIZE)
-			>> PAGE_SHIFT;
-	else
-		boundary_size = ALIGN(1UL << 32, PAGE_SIZE) >> PAGE_SHIFT;
-
-	BUG_ON(!is_power_of_2(boundary_size));
+	if (dev) {
+		boundary_size = dma_get_seg_boundary(dev) + 1;
+		BUG_ON(!is_power_of_2(boundary_size));
+		boundary_size >>= PAGE_SHIFT;
+	} else {
+		boundary_size = 1UL << (32 - PAGE_SHIFT);
+	}
 
 	/* Search forward for the first mask-aligned sequence of N free ptes */
 	ptes = arena->ptes;

arch/x86/Kconfig

@@ -66,9 +66,6 @@ config MMU
 config ZONE_DMA
 	def_bool y
 
-config QUICKLIST
-	def_bool X86_32
-
 config SBUS
 	bool
 

arch/x86/kernel/ptrace.c

@@ -1055,10 +1055,17 @@ static int putreg32(struct task_struct *child, unsigned regno, u32 value)
 	R32(esi, si);
 	R32(ebp, bp);
 	R32(eax, ax);
-	R32(orig_eax, orig_ax);
 	R32(eip, ip);
 	R32(esp, sp);
 
+	case offsetof(struct user32, regs.orig_eax):
+		/*
+		 * Sign-extend the value so that orig_eax = -1
+		 * causes (long)orig_ax < 0 tests to fire correctly.
+		 */
+		regs->orig_ax = (long) (s32) value;
+		break;
+
 	case offsetof(struct user32, regs.eflags):
 		return set_flags(child, value);
 

arch/x86/kernel/signal_64.c

@@ -310,6 +310,35 @@ give_sigsegv:
 	return -EFAULT;
 }
 
+/*
+ * Return -1L or the syscall number that @regs is executing.
+ */
+static long current_syscall(struct pt_regs *regs)
+{
+	/*
+	 * We always sign-extend a -1 value being set here,
+	 * so this is always either -1L or a syscall number.
+	 */
+	return regs->orig_ax;
+}
+
+/*
+ * Return a value that is -EFOO if the system call in @regs->orig_ax
+ * returned an error.  This only works for @regs from @current.
+ */
+static long current_syscall_ret(struct pt_regs *regs)
+{
+#ifdef CONFIG_IA32_EMULATION
+	if (test_thread_flag(TIF_IA32))
+		/*
+		 * Sign-extend the value so (int)-EFOO becomes (long)-EFOO
+		 * and will match correctly in comparisons.
+		 */
+		return (int) regs->ax;
+#endif
+	return regs->ax;
+}
+
 /*
  * OK, we're invoking a handler
  */	
@@ -327,9 +356,9 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
 #endif
 
 	/* Are we from a system call? */
-	if ((long)regs->orig_ax >= 0) {
+	if (current_syscall(regs) >= 0) {
 		/* If so, check system call restarting.. */
-		switch (regs->ax) {
+		switch (current_syscall_ret(regs)) {
 		        case -ERESTART_RESTARTBLOCK:
 			case -ERESTARTNOHAND:
 				regs->ax = -EINTR;
@@ -426,10 +455,9 @@ static void do_signal(struct pt_regs *regs)
 	}
 
 	/* Did we come from a system call? */
-	if ((long)regs->orig_ax >= 0) {
+	if (current_syscall(regs) >= 0) {
 		/* Restart the system call - no handlers present */
-		long res = regs->ax;
-		switch (res) {
+		switch (current_syscall_ret(regs)) {
 		case -ERESTARTNOHAND:
 		case -ERESTARTSYS:
 		case -ERESTARTNOINTR:

arch/x86/lguest/boot.c

@@ -84,7 +84,6 @@ struct lguest_data lguest_data = {
 	.blocked_interrupts = { 1 }, /* Block timer interrupts */
 	.syscall_vec = SYSCALL_VECTOR,
 };
-static cycle_t clock_base;
 
 /*G:037 async_hcall() is pretty simple: I'm quite proud of it really.  We have a
  * ring buffer of stored hypercalls which the Host will run though next time we
@@ -327,8 +326,8 @@ static void lguest_cpuid(unsigned int *ax, unsigned int *bx,
 	case 1:	/* Basic feature request. */
 		/* We only allow kernel to see SSE3, CMPXCHG16B and SSSE3 */
 		*cx &= 0x00002201;
-		/* SSE, SSE2, FXSR, MMX, CMOV, CMPXCHG8B, FPU. */
-		*dx &= 0x07808101;
+		/* SSE, SSE2, FXSR, MMX, CMOV, CMPXCHG8B, TSC, FPU. */
+		*dx &= 0x07808111;
 		/* The Host can do a nice optimization if it knows that the
 		 * kernel mappings (addresses above 0xC0000000 or whatever
 		 * PAGE_OFFSET is set to) haven't changed.  But Linux calls
@@ -481,7 +480,7 @@ static void lguest_set_pmd(pmd_t *pmdp, pmd_t pmdval)
 {
 	*pmdp = pmdval;
 	lazy_hcall(LHCALL_SET_PMD, __pa(pmdp)&PAGE_MASK,
-		   (__pa(pmdp)&(PAGE_SIZE-1)), 0);
+		   (__pa(pmdp)&(PAGE_SIZE-1))/4, 0);
 }
 
 /* There are a couple of legacy places where the kernel sets a PTE, but we
@@ -595,19 +594,25 @@ static unsigned long lguest_get_wallclock(void)
 	return lguest_data.time.tv_sec;
 }
 
+/* The TSC is a Time Stamp Counter.  The Host tells us what speed it runs at,
+ * or 0 if it's unusable as a reliable clock source.  This matches what we want
+ * here: if we return 0 from this function, the x86 TSC clock will not register
+ * itself. */
+static unsigned long lguest_cpu_khz(void)
+{
+	return lguest_data.tsc_khz;
+}
+
+/* If we can't use the TSC, the kernel falls back to our "lguest_clock", where
+ * we read the time value given to us by the Host. */
 static cycle_t lguest_clock_read(void)
 {
 	unsigned long sec, nsec;
 
-	/* If the Host tells the TSC speed, we can trust that. */
-	if (lguest_data.tsc_khz)
-		return native_read_tsc();
-
-	/* If we can't use the TSC, we read the time value written by the Host.
-	 * Since it's in two parts (seconds and nanoseconds), we risk reading
-	 * it just as it's changing from 99 & 0.999999999 to 100 and 0, and
-	 * getting 99 and 0.  As Linux tends to come apart under the stress of
-	 * time travel, we must be careful: */
+	/* Since the time is in two parts (seconds and nanoseconds), we risk
+	 * reading it just as it's changing from 99 & 0.999999999 to 100 and 0,
+	 * and getting 99 and 0.  As Linux tends to come apart under the stress
+	 * of time travel, we must be careful: */
 	do {
 		/* First we read the seconds part. */
 		sec = lguest_data.time.tv_sec;
@@ -622,14 +627,14 @@ static cycle_t lguest_clock_read(void)
 		/* Now if the seconds part has changed, try again. */
 	} while (unlikely(lguest_data.time.tv_sec != sec));
 
-	/* Our non-TSC clock is in real nanoseconds. */
+	/* Our lguest clock is in real nanoseconds. */
 	return sec*1000000000ULL + nsec;
 }
 
-/* This is what we tell the kernel is our clocksource.  */
+/* This is the fallback clocksource: lower priority than the TSC clocksource. */
 static struct clocksource lguest_clock = {
 	.name		= "lguest",
-	.rating		= 400,
+	.rating		= 200,
 	.read		= lguest_clock_read,
 	.mask		= CLOCKSOURCE_MASK(64),
 	.mult		= 1 << 22,
@@ -637,12 +642,6 @@ static struct clocksource lguest_clock = {
 	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
-/* The "scheduler clock" is just our real clock, adjusted to start at zero */
-static unsigned long long lguest_sched_clock(void)
-{
-	return cyc2ns(&lguest_clock, lguest_clock_read() - clock_base);
-}
-
 /* We also need a "struct clock_event_device": Linux asks us to set it to go
  * off some time in the future.  Actually, James Morris figured all this out, I
  * just applied the patch. */
@@ -712,19 +711,8 @@ static void lguest_time_init(void)
 	/* Set up the timer interrupt (0) to go to our simple timer routine */
 	set_irq_handler(0, lguest_time_irq);
 
-	/* Our clock structure looks like arch/x86/kernel/tsc_32.c if we can
-	 * use the TSC, otherwise it's a dumb nanosecond-resolution clock.
-	 * Either way, the "rating" is set so high that it's always chosen over
-	 * any other clocksource. */
-	if (lguest_data.tsc_khz)
-		lguest_clock.mult = clocksource_khz2mult(lguest_data.tsc_khz,
-							 lguest_clock.shift);
-	clock_base = lguest_clock_read();
 	clocksource_register(&lguest_clock);
 
-	/* Now we've set up our clock, we can use it as the scheduler clock */
-	pv_time_ops.sched_clock = lguest_sched_clock;
-
 	/* We can't set cpumask in the initializer: damn C limitations!  Set it
 	 * here and register our timer device. */
 	lguest_clockevent.cpumask = cpumask_of_cpu(0);
@@ -995,6 +983,7 @@ __init void lguest_init(void)
 	/* time operations */
 	pv_time_ops.get_wallclock = lguest_get_wallclock;
 	pv_time_ops.time_init = lguest_time_init;
+	pv_time_ops.get_cpu_khz = lguest_cpu_khz;
 
 	/* Now is a good time to look at the implementations of these functions
 	 * before returning to the rest of lguest_init(). */

arch/x86/mm/ioremap.c

@@ -134,8 +134,6 @@ static void __iomem *__ioremap(unsigned long phys_addr, unsigned long size,
 			return NULL;
 	}
 
-	WARN_ON_ONCE(page_is_ram(pfn));
-
 	switch (mode) {
 	case IOR_MODE_UNCACHED:
 	default:

arch/x86/mm/pgtable_32.c

@@ -342,12 +342,16 @@ static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp)
 
 pgd_t *pgd_alloc(struct mm_struct *mm)
 {
-	pgd_t *pgd = quicklist_alloc(0, GFP_KERNEL, pgd_ctor);
+	pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
 
-	mm->pgd = pgd;		/* so that alloc_pd can use it */
+	/* so that alloc_pd can use it */
+	mm->pgd = pgd;
+	if (pgd)
+		pgd_ctor(pgd);
 
 	if (pgd && !pgd_prepopulate_pmd(mm, pgd)) {
-		quicklist_free(0, pgd_dtor, pgd);
+		pgd_dtor(pgd);
+		free_page((unsigned long)pgd);
 		pgd = NULL;
 	}
 
@@ -357,12 +361,8 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
 void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 {
 	pgd_mop_up_pmds(mm, pgd);
-	quicklist_free(0, pgd_dtor, pgd);
-}
-
-void check_pgt_cache(void)
-{
-	quicklist_trim(0, pgd_dtor, 25, 16);
+	pgd_dtor(pgd);
+	free_page((unsigned long)pgd);
 }
 
 void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte)

arch/x86/pci/pcbios.c

@@ -198,6 +198,11 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
 			  "b" (bx),
 			  "D" ((long)reg),
 			  "S" (&pci_indirect));
+		/*
+		 * Zero-extend the result beyond 8 bits, do not trust the
+		 * BIOS having done it:
+		 */
+		*value &= 0xff;
 		break;
 	case 2:
 		__asm__("lcall *(%%esi); cld\n\t"
@@ -210,6 +215,11 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
 			  "b" (bx),
 			  "D" ((long)reg),
 			  "S" (&pci_indirect));
+		/*
+		 * Zero-extend the result beyond 16 bits, do not trust the
+		 * BIOS having done it:
+		 */
+		*value &= 0xffff;
 		break;
 	case 4:
 		__asm__("lcall *(%%esi); cld\n\t"

crypto/chainiv.c

@@ -318,10 +318,8 @@ int __init chainiv_module_init(void)
 {
 	return crypto_register_template(&chainiv_tmpl);
 }
-EXPORT_SYMBOL_GPL(chainiv_module_init);
 
-void __exit chainiv_module_exit(void)
+void chainiv_module_exit(void)
 {
 	crypto_unregister_template(&chainiv_tmpl);
 }
-EXPORT_SYMBOL_GPL(chainiv_module_exit);

crypto/eseqiv.c

@@ -251,10 +251,8 @@ int __init eseqiv_module_init(void)
 {
 	return crypto_register_template(&eseqiv_tmpl);
 }
-EXPORT_SYMBOL_GPL(eseqiv_module_init);
 
 void __exit eseqiv_module_exit(void)
 {
 	crypto_unregister_template(&eseqiv_tmpl);
 }
-EXPORT_SYMBOL_GPL(eseqiv_module_exit);

drivers/ata/Kconfig

@@ -538,6 +538,15 @@ config PATA_RADISYS
 
 	  If unsure, say N.
 
+config PATA_RB500
+	tristate "RouterBoard 500 PATA CompactFlash support"
+	depends on MIKROTIK_RB500
+	help
+	  This option enables support for the RouterBoard 500
+	  PATA CompactFlash controller.
+
+	  If unsure, say N.
+
 config PATA_RZ1000
 	tristate "PC Tech RZ1000 PATA support"
 	depends on PCI

drivers/ata/Makefile

@@ -55,6 +55,7 @@ obj-$(CONFIG_PATA_PDC2027X)	+= pata_pdc2027x.o
 obj-$(CONFIG_PATA_PDC_OLD)	+= pata_pdc202xx_old.o
 obj-$(CONFIG_PATA_QDI)		+= pata_qdi.o
 obj-$(CONFIG_PATA_RADISYS)	+= pata_radisys.o
+obj-$(CONFIG_PATA_RB500)	+= pata_rb500_cf.o
 obj-$(CONFIG_PATA_RZ1000)	+= pata_rz1000.o
 obj-$(CONFIG_PATA_SC1200)	+= pata_sc1200.o
 obj-$(CONFIG_PATA_SERVERWORKS)	+= pata_serverworks.o

drivers/ata/ahci.c

@@ -567,6 +567,18 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci },		/* MCP79 */
 	{ PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci },		/* MCP79 */
 	{ PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci },		/* MCP79 */
+	{ PCI_VDEVICE(NVIDIA, 0x0bc8), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0bc9), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0bca), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0bcb), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0bcc), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0bcd), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0bce), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0bcf), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0bd0), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0bd1), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0bd2), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0bd3), board_ahci },		/* MCP7B */
 
 	/* SiS */
 	{ PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
@@ -672,7 +684,7 @@ static void ahci_save_initial_config(struct pci_dev *pdev,
 		cap &= ~HOST_CAP_NCQ;
 	}
 
-	if ((cap && HOST_CAP_PMP) && (hpriv->flags & AHCI_HFLAG_NO_PMP)) {
+	if ((cap & HOST_CAP_PMP) && (hpriv->flags & AHCI_HFLAG_NO_PMP)) {
 		dev_printk(KERN_INFO, &pdev->dev,
 			   "controller can't do PMP, turning off CAP_PMP\n");
 		cap &= ~HOST_CAP_PMP;

drivers/ata/libata-acpi.c

@@ -382,7 +382,7 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf)
 
 	if (ata_msg_probe(ap))
 		ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER: port#: %d\n",
-			       __FUNCTION__, ap->port_no);
+			       __func__, ap->port_no);
 
 	/* _GTF has no input parameters */
 	status = acpi_evaluate_object(dev->acpi_handle, "_GTF", NULL, &output);
@@ -402,7 +402,7 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf)
 		if (ata_msg_probe(ap))
 			ata_dev_printk(dev, KERN_DEBUG, "%s: Run _GTF: "
 				"length or ptr is NULL (0x%llx, 0x%p)\n",
-				__FUNCTION__,
+				__func__,
 				(unsigned long long)output.length,
 				output.pointer);
 		rc = -EINVAL;
@@ -432,7 +432,7 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf)
 		if (ata_msg_probe(ap))
 			ata_dev_printk(dev, KERN_DEBUG,
 				       "%s: returning gtf=%p, gtf_count=%d\n",
-				       __FUNCTION__, *gtf, rc);
+				       __func__, *gtf, rc);
 	}
 	return rc;
 
@@ -725,7 +725,7 @@ static int ata_acpi_push_id(struct ata_device *dev)
 
 	if (ata_msg_probe(ap))
 		ata_dev_printk(dev, KERN_DEBUG, "%s: ix = %d, port#: %d\n",
-			       __FUNCTION__, dev->devno, ap->port_no);
+			       __func__, dev->devno, ap->port_no);
 
 	/* Give the drive Identify data to the drive via the _SDD method */
 	/* _SDD: set up input parameters */

drivers/ata/libata-core.c

@@ -106,7 +106,8 @@ static struct ata_force_ent *ata_force_tbl;
 static int ata_force_tbl_size;
 
 static char ata_force_param_buf[PAGE_SIZE] __initdata;
-module_param_string(force, ata_force_param_buf, sizeof(ata_force_param_buf), 0444);
+/* param_buf is thrown away after initialization, disallow read */
+module_param_string(force, ata_force_param_buf, sizeof(ata_force_param_buf), 0);
 MODULE_PARM_DESC(force, "Force ATA configurations including cable type, link speed and transfer mode (see Documentation/kernel-parameters.txt for details)");
 
 int atapi_enabled = 1;
@@ -1719,7 +1720,7 @@ void ata_port_flush_task(struct ata_port *ap)
 	cancel_rearming_delayed_work(&ap->port_task);
 
 	if (ata_msg_ctl(ap))
-		ata_port_printk(ap, KERN_DEBUG, "%s: EXIT\n", __FUNCTION__);
+		ata_port_printk(ap, KERN_DEBUG, "%s: EXIT\n", __func__);
 }
 
 static void ata_qc_complete_internal(struct ata_queued_cmd *qc)
@@ -2056,7 +2057,7 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
 	int rc;
 
 	if (ata_msg_ctl(ap))
-		ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __FUNCTION__);
+		ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __func__);
 
 	ata_dev_select(ap, dev->devno, 1, 1); /* select device 0/1 */
  retry:
@@ -2253,12 +2254,12 @@ int ata_dev_configure(struct ata_device *dev)
 
 	if (!ata_dev_enabled(dev) && ata_msg_info(ap)) {
 		ata_dev_printk(dev, KERN_INFO, "%s: ENTER/EXIT -- nodev\n",
-			       __FUNCTION__);
+			       __func__);
 		return 0;
 	}
 
 	if (ata_msg_probe(ap))
-		ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __FUNCTION__);
+		ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __func__);
 
 	/* set horkage */
 	dev->horkage |= ata_dev_blacklisted(dev);
@@ -2279,7 +2280,7 @@ int ata_dev_configure(struct ata_device *dev)
 		ata_dev_printk(dev, KERN_DEBUG,
 			       "%s: cfg 49:%04x 82:%04x 83:%04x 84:%04x "
 			       "85:%04x 86:%04x 87:%04x 88:%04x\n",
-			       __FUNCTION__,
+			       __func__,
 			       id[49], id[82], id[83], id[84],
 			       id[85], id[86], id[87], id[88]);
 
@@ -2511,13 +2512,13 @@ int ata_dev_configure(struct ata_device *dev)
 
 	if (ata_msg_probe(ap))
 		ata_dev_printk(dev, KERN_DEBUG, "%s: EXIT, drv_stat = 0x%x\n",
-			__FUNCTION__, ata_chk_status(ap));
+			__func__, ata_chk_status(ap));
 	return 0;
 
 err_out_nosup:
 	if (ata_msg_probe(ap))
 		ata_dev_printk(dev, KERN_DEBUG,
-			       "%s: EXIT, err\n", __FUNCTION__);
+			       "%s: EXIT, err\n", __func__);
 	return rc;
 }
 

drivers/ata/libata-eh.c

@@ -2150,6 +2150,15 @@ int ata_eh_reset(struct ata_link *link, int classify,
 			ap->ops->set_piomode(ap, dev);
 	}
 
+	if (!softreset && !hardreset) {
+		if (verbose)
+			ata_link_printk(link, KERN_INFO, "no reset method "
+					"available, skipping reset\n");
+		if (!(lflags & ATA_LFLAG_ASSUME_CLASS))
+			lflags |= ATA_LFLAG_ASSUME_ATA;
+		goto done;
+	}
+
 	/* Determine which reset to use and record in ehc->i.action.
 	 * prereset() may examine and modify it.
 	 */
@@ -2254,6 +2263,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
 		lflags |= ATA_LFLAG_ASSUME_ATA;
 	}
 
+ done:
 	ata_link_for_each_dev(dev, link) {
 		/* After the reset, the device state is PIO 0 and the
 		 * controller state is undefined.  Reset also wakes up

drivers/ata/libata-sff.c

@@ -56,7 +56,8 @@ u8 ata_irq_on(struct ata_port *ap)
 	ap->ctl &= ~ATA_NIEN;
 	ap->last_ctl = ap->ctl;
 
-	iowrite8(ap->ctl, ioaddr->ctl_addr);
+	if (ioaddr->ctl_addr)
+		iowrite8(ap->ctl, ioaddr->ctl_addr);
 	tmp = ata_wait_idle(ap);
 
 	ap->ops->irq_clear(ap);
@@ -81,12 +82,14 @@ void ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
 	unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
 
 	if (tf->ctl != ap->last_ctl) {
-		iowrite8(tf->ctl, ioaddr->ctl_addr);
+		if (ioaddr->ctl_addr)
+			iowrite8(tf->ctl, ioaddr->ctl_addr);
 		ap->last_ctl = tf->ctl;
 		ata_wait_idle(ap);
 	}
 
 	if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
+		WARN_ON(!ioaddr->ctl_addr);
 		iowrite8(tf->hob_feature, ioaddr->feature_addr);
 		iowrite8(tf->hob_nsect, ioaddr->nsect_addr);
 		iowrite8(tf->hob_lbal, ioaddr->lbal_addr);
@@ -167,14 +170,17 @@ void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
 	tf->device = ioread8(ioaddr->device_addr);
 
 	if (tf->flags & ATA_TFLAG_LBA48) {
-		iowrite8(tf->ctl | ATA_HOB, ioaddr->ctl_addr);
-		tf->hob_feature = ioread8(ioaddr->error_addr);
-		tf->hob_nsect = ioread8(ioaddr->nsect_addr);
-		tf->hob_lbal = ioread8(ioaddr->lbal_addr);
-		tf->hob_lbam = ioread8(ioaddr->lbam_addr);
-		tf->hob_lbah = ioread8(ioaddr->lbah_addr);
-		iowrite8(tf->ctl, ioaddr->ctl_addr);
-		ap->last_ctl = tf->ctl;
+		if (likely(ioaddr->ctl_addr)) {
+			iowrite8(tf->ctl | ATA_HOB, ioaddr->ctl_addr);
+			tf->hob_feature = ioread8(ioaddr->error_addr);
+			tf->hob_nsect = ioread8(ioaddr->nsect_addr);
+			tf->hob_lbal = ioread8(ioaddr->lbal_addr);
+			tf->hob_lbam = ioread8(ioaddr->lbam_addr);
+			tf->hob_lbah = ioread8(ioaddr->lbah_addr);
+			iowrite8(tf->ctl, ioaddr->ctl_addr);
+			ap->last_ctl = tf->ctl;
+		} else
+			WARN_ON(1);
 	}
 }
 
@@ -352,7 +358,8 @@ void ata_bmdma_freeze(struct ata_port *ap)
 	ap->ctl |= ATA_NIEN;
 	ap->last_ctl = ap->ctl;
 
-	iowrite8(ap->ctl, ioaddr->ctl_addr);
+	if (ioaddr->ctl_addr)
+		iowrite8(ap->ctl, ioaddr->ctl_addr);
 
 	/* Under certain circumstances, some controllers raise IRQ on
 	 * ATA_NIEN manipulation.  Also, many controllers fail to mask
@@ -459,13 +466,14 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
  */
 void ata_bmdma_error_handler(struct ata_port *ap)
 {
-	ata_reset_fn_t hardreset;
+	ata_reset_fn_t softreset = NULL, hardreset = NULL;
 
-	hardreset = NULL;
+	if (ap->ioaddr.ctl_addr)
+		softreset = ata_std_softreset;
 	if (sata_scr_valid(&ap->link))
 		hardreset = sata_std_hardreset;
 
-	ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, hardreset,
+	ata_bmdma_drive_eh(ap, ata_std_prereset, softreset, hardreset,
 			   ata_std_postreset);
 }
 

drivers/ata/pata_pdc2027x.c

@@ -39,7 +39,7 @@
 #undef PDC_DEBUG
 
 #ifdef PDC_DEBUG
-#define PDPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args)
+#define PDPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
 #else
 #define PDPRINTK(fmt, args...)
 #endif

drivers/ata/pata_rb500_cf.c

@@ -0,0 +1,314 @@
+/*
+ *  A low-level PATA driver to handle a Compact Flash connected on the
+ *  Mikrotik's RouterBoard 532 board.
+ *
+ *  Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
+ *  Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ *
+ *  This file was based on: drivers/ata/pata_ixp4xx_cf.c
+ *	Copyright (C) 2006-07 Tower Technologies
+ *	Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ *  Also was based on the driver for Linux 2.4.xx published by Mikrotik for
+ *  their RouterBoard 1xx and 5xx series devices. The original Mikrotik code
+ *  seems not to have a license.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+
+#include <linux/libata.h>
+#include <scsi/scsi_host.h>
+
+#include <asm/gpio.h>
+
+#define DRV_NAME	"pata-rb500-cf"
+#define DRV_VERSION	"0.1.0"
+#define DRV_DESC	"PATA driver for RouterBOARD 532 Compact Flash"
+
+#define RB500_CF_MAXPORTS	1
+#define RB500_CF_IO_DELAY	400
+
+#define RB500_CF_REG_CMD	0x0800
+#define RB500_CF_REG_CTRL	0x080E
+#define RB500_CF_REG_DATA	0x0C00
+
+struct rb500_cf_info {
+	void __iomem	*iobase;
+	unsigned int	gpio_line;
+	int		frozen;
+	unsigned int	irq;
+};
+
+/* ------------------------------------------------------------------------ */
+
+static inline void rb500_pata_finish_io(struct ata_port *ap)
+{
+	struct ata_host *ah = ap->host;
+	struct rb500_cf_info *info = ah->private_data;
+
+	ata_altstatus(ap);
+	ndelay(RB500_CF_IO_DELAY);
+
+	set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
+}
+
+static void rb500_pata_exec_command(struct ata_port *ap,
+				const struct ata_taskfile *tf)
+{
+	writeb(tf->command, ap->ioaddr.command_addr);
+	rb500_pata_finish_io(ap);
+}
+
+static void rb500_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
+				unsigned int buflen, int write_data)
+{
+	struct ata_port *ap = adev->link->ap;
+	void __iomem *ioaddr = ap->ioaddr.data_addr;
+
+	if (write_data) {
+		for (; buflen > 0; buflen--, buf++)
+			writeb(*buf, ioaddr);
+	} else {
+		for (; buflen > 0; buflen--, buf++)
+			*buf = readb(ioaddr);
+	}
+
+	rb500_pata_finish_io(adev->link->ap);
+}
+
+static void rb500_pata_freeze(struct ata_port *ap)
+{
+	struct rb500_cf_info *info = ap->host->private_data;
+
+	info->frozen = 1;
+}
+
+static void rb500_pata_thaw(struct ata_port *ap)
+{
+	struct rb500_cf_info *info = ap->host->private_data;
+
+	info->frozen = 0;
+}
+
+static irqreturn_t rb500_pata_irq_handler(int irq, void *dev_instance)
+{
+	struct ata_host *ah = dev_instance;
+	struct rb500_cf_info *info = ah->private_data;
+
+	if (gpio_get_value(info->gpio_line)) {
+		set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
+		if (!info->frozen)
+			ata_interrupt(info->irq, dev_instance);
+	} else {
+		set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static void rb500_pata_irq_clear(struct ata_port *ap)
+{
+}
+
+static int rb500_pata_port_start(struct ata_port *ap)
+{
+	return 0;
+}
+
+static struct ata_port_operations rb500_pata_port_ops = {
+	.tf_load		= ata_tf_load,
+	.tf_read		= ata_tf_read,
+
+	.exec_command		= rb500_pata_exec_command,
+	.check_status 		= ata_check_status,
+	.dev_select 		= ata_std_dev_select,
+
+	.data_xfer		= rb500_pata_data_xfer,
+
+	.qc_prep 		= ata_qc_prep,
+	.qc_issue		= ata_qc_issue_prot,
+
+	.freeze			= rb500_pata_freeze,
+	.thaw			= rb500_pata_thaw,
+	.error_handler		= ata_bmdma_error_handler,
+
+	.irq_handler		= rb500_pata_irq_handler,
+	.irq_clear		= rb500_pata_irq_clear,
+	.irq_on			= ata_irq_on,
+
+	.port_start		= rb500_pata_port_start,
+};
+
+/* ------------------------------------------------------------------------ */
+
+static struct scsi_host_template rb500_pata_sht = {
+	.module			= THIS_MODULE,
+	.name			= DRV_NAME,
+	.ioctl			= ata_scsi_ioctl,
+	.queuecommand		= ata_scsi_queuecmd,
+	.slave_configure	= ata_scsi_slave_config,
+	.slave_destroy		= ata_scsi_slave_destroy,
+	.bios_param		= ata_std_bios_param,
+	.proc_name		= DRV_NAME,
+
+	.can_queue		= ATA_DEF_QUEUE,
+	.this_id		= ATA_SHT_THIS_ID,
+	.sg_tablesize		= LIBATA_MAX_PRD,
+	.dma_boundary		= ATA_DMA_BOUNDARY,
+	.cmd_per_lun		= ATA_SHT_CMD_PER_LUN,
+	.emulated		= ATA_SHT_EMULATED,
+	.use_clustering		= ATA_SHT_USE_CLUSTERING,
+};
+
+/* ------------------------------------------------------------------------ */
+
+static void rb500_pata_setup_ports(struct ata_host *ah)
+{
+	struct rb500_cf_info *info = ah->private_data;
+	struct ata_port *ap;
+
+	ap = ah->ports[0];
+
+	ap->ops		= &rb500_pata_port_ops;
+	ap->pio_mask	= 0x1f; /* PIO4 */
+	ap->flags	= ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO;
+
+	ap->ioaddr.cmd_addr	= info->iobase + RB500_CF_REG_CMD;
+	ap->ioaddr.ctl_addr	= info->iobase + RB500_CF_REG_CTRL;
+	ap->ioaddr.altstatus_addr = info->iobase + RB500_CF_REG_CTRL;
+
+	ata_std_ports(&ap->ioaddr);
+
+	ap->ioaddr.data_addr	= info->iobase + RB500_CF_REG_DATA;
+}
+
+static __devinit int rb500_pata_driver_probe(struct platform_device *pdev)
+{
+	unsigned int irq;
+	int gpio;
+	struct resource *res;
+	struct ata_host *ah;
+	struct rb500_cf_info *info;
+	int ret;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "no IOMEM resource found\n");
+		return -EINVAL;
+	}
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq <= 0) {
+		dev_err(&pdev->dev, "no IRQ resource found\n");
+		return -ENOENT;
+	}
+
+	gpio = irq_to_gpio(irq);
+	if (gpio < 0) {
+		dev_err(&pdev->dev, "no GPIO found for irq%d\n", irq);
+		return -ENOENT;
+	}
+
+	ret = gpio_request(gpio, DRV_NAME);
+	if (ret) {
+		dev_err(&pdev->dev, "GPIO request failed\n");
+		return ret;
+	}
+
+	/* allocate host */
+	ah = ata_host_alloc(&pdev->dev, RB500_CF_MAXPORTS);
+	if (!ah)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, ah);
+
+	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	ah->private_data = info;
+	info->gpio_line = gpio;
+	info->irq = irq;
+
+	info->iobase = devm_ioremap_nocache(&pdev->dev, res->start,
+				res->end - res->start + 1);
+	if (!info->iobase)
+		return -ENOMEM;
+
+	ret = gpio_direction_input(gpio);
+	if (ret) {
+		dev_err(&pdev->dev, "unable to set GPIO direction, err=%d\n",
+				ret);
+		goto err_free_gpio;
+	}
+
+	rb500_pata_setup_ports(ah);
+
+	ret = ata_host_activate(ah, irq, rb500_pata_irq_handler,
+				IRQF_TRIGGER_LOW, &rb500_pata_sht);
+	if (ret)
+		goto err_free_gpio;
+
+	return 0;
+
+err_free_gpio:
+	gpio_free(gpio);
+
+	return ret;
+}
+
+static __devexit int rb500_pata_driver_remove(struct platform_device *pdev)
+{
+	struct ata_host *ah = platform_get_drvdata(pdev);
+	struct rb500_cf_info *info = ah->private_data;
+
+	ata_host_detach(ah);
+	gpio_free(info->gpio_line);
+
+	return 0;
+}
+
+static struct platform_driver rb500_pata_platform_driver = {
+	.probe		= rb500_pata_driver_probe,
+	.remove		= __devexit_p(rb500_pata_driver_remove),
+	.driver	 = {
+		.name   = DRV_NAME,
+		.owner  = THIS_MODULE,
+	},
+};
+
+/* ------------------------------------------------------------------------ */
+
+#define DRV_INFO DRV_DESC " version " DRV_VERSION
+
+static int __init rb500_pata_module_init(void)
+{
+	printk(KERN_INFO DRV_INFO "\n");
+
+	return platform_driver_register(&rb500_pata_platform_driver);
+}
+
+static void __exit rb500_pata_module_exit(void)
+{
+	platform_driver_unregister(&rb500_pata_platform_driver);
+}
+
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
+MODULE_DESCRIPTION(DRV_DESC);
+MODULE_VERSION(DRV_VERSION);
+MODULE_LICENSE("GPL");
+
+module_init(rb500_pata_module_init);
+module_exit(rb500_pata_module_exit);

drivers/base/platform.c

@@ -648,7 +648,7 @@ u64 dma_get_required_mask(struct device *dev)
 		high_totalram += high_totalram - 1;
 		mask = (((u64)high_totalram) << 32) + 0xffffffff;
 	}
-	return mask & *dev->dma_mask;
+	return mask;
 }
 EXPORT_SYMBOL_GPL(dma_get_required_mask);
 #endif

drivers/base/sys.c

@@ -133,6 +133,7 @@ int sysdev_class_register(struct sysdev_class * cls)
 	pr_debug("Registering sysdev class '%s'\n",
 		 kobject_name(&cls->kset.kobj));
 	INIT_LIST_HEAD(&cls->drivers);
+	memset(&cls->kset.kobj, 0x00, sizeof(struct kobject));
 	cls->kset.kobj.parent = &system_kset->kobj;
 	cls->kset.kobj.ktype = &ktype_sysdev_class;
 	cls->kset.kobj.kset = system_kset;
@@ -227,6 +228,9 @@ int sysdev_register(struct sys_device * sysdev)
 
 	pr_debug("Registering sys device '%s'\n", kobject_name(&sysdev->kobj));
 
+	/* initialize the kobject to 0, in case it had previously been used */
+	memset(&sysdev->kobj, 0x00, sizeof(struct kobject));
+
 	/* Make sure the kset is set */
 	sysdev->kobj.kset = &cls->kset;
 

drivers/char/nozomi.c

@@ -190,6 +190,14 @@ enum card_type {
 	F32_8 = 8192,	/* 3072 bytes downl. + 1024 bytes uplink * 2 -> 8192 */
 };
 
+/* Initialization states a card can be in */
+enum card_state {
+	NOZOMI_STATE_UKNOWN	= 0,
+	NOZOMI_STATE_ENABLED	= 1,	/* pci device enabled */
+	NOZOMI_STATE_ALLOCATED	= 2,	/* config setup done */
+	NOZOMI_STATE_READY	= 3,	/* flowcontrols received */
+};
+
 /* Two different toggle channels exist */
 enum channel_type {
 	CH_A = 0,
@@ -385,6 +393,7 @@ struct nozomi {
 	spinlock_t spin_mutex;	/* secures access to registers and tty */
 
 	unsigned int index_start;
+	enum card_state state;
 	u32 open_ttys;
 };
 
@@ -686,6 +695,7 @@ static int nozomi_read_config_table(struct nozomi *dc)
 		dc->last_ier = dc->last_ier | CTRL_DL;
 		writew(dc->last_ier, dc->reg_ier);
 
+		dc->state = NOZOMI_STATE_ALLOCATED;
 		dev_info(&dc->pdev->dev, "Initialization OK!\n");
 		return 1;
 	}
@@ -944,6 +954,14 @@ static int receive_flow_control(struct nozomi *dc)
 	case CTRL_APP2:
 		port = PORT_APP2;
 		enable_ier = APP2_DL;
+		if (dc->state == NOZOMI_STATE_ALLOCATED) {
+			/*
+			 * After card initialization the flow control
+			 * received for APP2 is always the last
+			 */
+			dc->state = NOZOMI_STATE_READY;
+			dev_info(&dc->pdev->dev, "Device READY!\n");
+		}
 		break;
 	default:
 		dev_err(&dc->pdev->dev,
@@ -1366,22 +1384,12 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev,
 
 	dc->pdev = pdev;
 
-	/* Find out what card type it is */
-	nozomi_get_card_type(dc);
-
 	ret = pci_enable_device(dc->pdev);
 	if (ret) {
 		dev_err(&pdev->dev, "Failed to enable PCI Device\n");
 		goto err_free;
 	}
 
-	start = pci_resource_start(dc->pdev, 0);
-	if (start == 0) {
-		dev_err(&pdev->dev, "No I/O address for card detected\n");
-		ret = -ENODEV;
-		goto err_disable_device;
-	}
-
 	ret = pci_request_regions(dc->pdev, NOZOMI_NAME);
 	if (ret) {
 		dev_err(&pdev->dev, "I/O address 0x%04x already in use\n",
@@ -1389,6 +1397,16 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev,
 		goto err_disable_device;
 	}
 
+	start = pci_resource_start(dc->pdev, 0);
+	if (start == 0) {
+		dev_err(&pdev->dev, "No I/O address for card detected\n");
+		ret = -ENODEV;
+		goto err_rel_regs;
+	}
+
+	/* Find out what card type it is */
+	nozomi_get_card_type(dc);
+
 	dc->base_addr = ioremap(start, dc->card_type);
 	if (!dc->base_addr) {
 		dev_err(&pdev->dev, "Unable to map card MMIO\n");
@@ -1425,6 +1443,14 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev,
 	dc->index_start = ndev_idx * MAX_PORT;
 	ndevs[ndev_idx] = dc;
 
+	pci_set_drvdata(pdev, dc);
+
+	/* Enable RESET interrupt */
+	dc->last_ier = RESET;
+	iowrite16(dc->last_ier, dc->reg_ier);
+
+	dc->state = NOZOMI_STATE_ENABLED;
+
 	for (i = 0; i < MAX_PORT; i++) {
 		mutex_init(&dc->port[i].tty_sem);
 		dc->port[i].tty_open_count = 0;
@@ -1433,12 +1459,6 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev,
 							&pdev->dev);
 	}
 
-	/* Enable  RESET interrupt. */
-	dc->last_ier = RESET;
-	writew(dc->last_ier, dc->reg_ier);
-
-	pci_set_drvdata(pdev, dc);
-
 	return 0;
 
 err_free_sbuf:
@@ -1553,7 +1573,7 @@ static int ntty_open(struct tty_struct *tty, struct file *file)
 	struct nozomi *dc = get_dc_by_tty(tty);
 	unsigned long flags;
 
-	if (!port || !dc)
+	if (!port || !dc || dc->state != NOZOMI_STATE_READY)
 		return -ENODEV;
 
 	if (mutex_lock_interruptible(&port->tty_sem))
@@ -1716,6 +1736,10 @@ static int ntty_tiocmget(struct tty_struct *tty, struct file *file)
 static int ntty_tiocmset(struct tty_struct *tty, struct file *file,
 	unsigned int set, unsigned int clear)
 {
+	struct nozomi *dc = get_dc_by_tty(tty);
+	unsigned long flags;
+
+	spin_lock_irqsave(&dc->spin_mutex, flags);
 	if (set & TIOCM_RTS)
 		set_rts(tty, 1);
 	else if (clear & TIOCM_RTS)
@@ -1725,6 +1749,7 @@ static int ntty_tiocmset(struct tty_struct *tty, struct file *file,
 		set_dtr(tty, 1);
 	else if (clear & TIOCM_DTR)
 		set_dtr(tty, 0);
+	spin_unlock_irqrestore(&dc->spin_mutex, flags);
 
 	return 0;
 }
@@ -1762,7 +1787,7 @@ static int ntty_ioctl_tiocgicount(struct port *port, void __user *argp)
 	icount.brk = cnow.brk;
 	icount.buf_overrun = cnow.buf_overrun;
 
-	return copy_to_user(argp, &icount, sizeof(icount));
+	return copy_to_user(argp, &icount, sizeof(icount)) ? -EFAULT : 0;
 }
 
 static int ntty_ioctl(struct tty_struct *tty, struct file *file,

drivers/char/riscom8.c

@@ -1620,14 +1620,8 @@ static int __init rc_init_drivers(void)
 
 static void rc_release_drivers(void)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&riscom_lock, flags);
-
 	tty_unregister_driver(riscom_driver);
 	put_tty_driver(riscom_driver);
-
-	spin_unlock_irqrestore(&riscom_lock, flags);
 }
 
 #ifndef MODULE

drivers/gpio/pca953x.c

@@ -184,6 +184,7 @@ static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios)
 	gc->direction_output = pca953x_gpio_direction_output;
 	gc->get = pca953x_gpio_get_value;
 	gc->set = pca953x_gpio_set_value;
+	gc->can_sleep = 1;
 
 	gc->base = chip->gpio_start;
 	gc->ngpio = gpios;

drivers/infiniband/core/cm.c

@@ -3759,6 +3759,7 @@ static void cm_remove_one(struct ib_device *device)
 		port = cm_dev->port[i-1];
 		ib_modify_port(device, port->port_num, 0, &port_modify);
 		ib_unregister_mad_agent(port->mad_agent);
+		flush_workqueue(cm.wq);
 		cm_remove_port_fs(port);
 	}
 	kobject_put(&cm_dev->dev_obj);
@@ -3813,6 +3814,7 @@ static void __exit ib_cm_cleanup(void)
 		cancel_delayed_work(&timewait_info->work.work);
 	spin_unlock_irq(&cm.lock);
 
+	ib_unregister_client(&cm_client);
 	destroy_workqueue(cm.wq);
 
 	list_for_each_entry_safe(timewait_info, tmp, &cm.timewait_list, list) {
@@ -3820,7 +3822,6 @@ static void __exit ib_cm_cleanup(void)
 		kfree(timewait_info);
 	}
 
-	ib_unregister_client(&cm_client);
 	class_unregister(&cm_class);
 	idr_destroy(&cm.local_id_table);
 }

drivers/infiniband/core/fmr_pool.c

@@ -139,7 +139,7 @@ static inline struct ib_pool_fmr *ib_fmr_cache_lookup(struct ib_fmr_pool *pool,
 static void ib_fmr_batch_release(struct ib_fmr_pool *pool)
 {
 	int                 ret;
-	struct ib_pool_fmr *fmr, *next;
+	struct ib_pool_fmr *fmr;
 	LIST_HEAD(unmap_list);
 	LIST_HEAD(fmr_list);
 
@@ -158,20 +158,6 @@ static void ib_fmr_batch_release(struct ib_fmr_pool *pool)
 #endif
 	}
 
-	/*
-	 * The free_list may hold FMRs that have been put there
-	 * because they haven't reached the max_remap count.
-	 * Invalidate their mapping as well.
-	 */
-	list_for_each_entry_safe(fmr, next, &pool->free_list, list) {
-		if (fmr->remap_count == 0)
-			continue;
-		hlist_del_init(&fmr->cache_node);
-		fmr->remap_count = 0;
-		list_add_tail(&fmr->fmr->list, &fmr_list);
-		list_move(&fmr->list, &unmap_list);
-	}
-
 	list_splice(&pool->dirty_list, &unmap_list);
 	INIT_LIST_HEAD(&pool->dirty_list);
 	pool->dirty_len = 0;
@@ -384,6 +370,11 @@ void ib_destroy_fmr_pool(struct ib_fmr_pool *pool)
 
 	i = 0;
 	list_for_each_entry_safe(fmr, tmp, &pool->free_list, list) {
+		if (fmr->remap_count) {
+			INIT_LIST_HEAD(&fmr_list);
+			list_add_tail(&fmr->fmr->list, &fmr_list);
+			ib_unmap_fmr(&fmr_list);
+		}
 		ib_dealloc_fmr(fmr->fmr);
 		list_del(&fmr->list);
 		kfree(fmr);
@@ -407,8 +398,23 @@ EXPORT_SYMBOL(ib_destroy_fmr_pool);
  */
 int ib_flush_fmr_pool(struct ib_fmr_pool *pool)
 {
-	int serial = atomic_inc_return(&pool->req_ser);
+	int serial;
+	struct ib_pool_fmr *fmr, *next;
+
+	/*
+	 * The free_list holds FMRs that may have been used
+	 * but have not been remapped enough times to be dirty.
+	 * Put them on the dirty list now so that the cleanup
+	 * thread will reap them too.
+	 */
+	spin_lock_irq(&pool->pool_lock);
+	list_for_each_entry_safe(fmr, next, &pool->free_list, list) {
+		if (fmr->remap_count > 0)
+			list_move(&fmr->list, &pool->dirty_list);
+	}
+	spin_unlock_irq(&pool->pool_lock);
 
+	serial = atomic_inc_return(&pool->req_ser);
 	wake_up_process(pool->thread);
 
 	if (wait_event_interruptible(pool->force_wait,

drivers/infiniband/core/iwcm.c

@@ -839,6 +839,7 @@ static void cm_work_handler(struct work_struct *_work)
 	unsigned long flags;
 	int empty;
 	int ret = 0;
+	int destroy_id;
 
 	spin_lock_irqsave(&cm_id_priv->lock, flags);
 	empty = list_empty(&cm_id_priv->work_list);
@@ -857,9 +858,9 @@ static void cm_work_handler(struct work_struct *_work)
 			destroy_cm_id(&cm_id_priv->id);
 		}
 		BUG_ON(atomic_read(&cm_id_priv->refcount)==0);
+		destroy_id = test_bit(IWCM_F_CALLBACK_DESTROY, &cm_id_priv->flags);
 		if (iwcm_deref_id(cm_id_priv)) {
-			if (test_bit(IWCM_F_CALLBACK_DESTROY,
-				     &cm_id_priv->flags)) {
+			if (destroy_id) {
 				BUG_ON(!list_empty(&cm_id_priv->work_list));
 				free_cm_id(cm_id_priv);
 			}

drivers/infiniband/hw/cxgb3/iwch_provider.c

@@ -189,7 +189,7 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve
 		return ERR_PTR(-ENOMEM);
 	}
 	chp->rhp = rhp;
-	chp->ibcq.cqe = (1 << chp->cq.size_log2) - 1;
+	chp->ibcq.cqe = 1 << chp->cq.size_log2;
 	spin_lock_init(&chp->lock);
 	atomic_set(&chp->refcnt, 1);
 	init_waitqueue_head(&chp->wait);
@@ -819,8 +819,11 @@ static struct ib_qp *iwch_create_qp(struct ib_pd *pd,
 		kfree(qhp);
 		return ERR_PTR(-ENOMEM);
 	}
+
 	attrs->cap.max_recv_wr = rqsize - 1;
 	attrs->cap.max_send_wr = sqsize;
+	attrs->cap.max_inline_data = T3_MAX_INLINE;
+
 	qhp->rhp = rhp;
 	qhp->attr.pd = php->pdid;
 	qhp->attr.scq = ((struct iwch_cq *) attrs->send_cq)->cq.cqid;

drivers/infiniband/ulp/iser/iser_verbs.c

@@ -237,36 +237,32 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn)
 static
 struct iser_device *iser_device_find_by_ib_device(struct rdma_cm_id *cma_id)
 {
-	struct list_head    *p_list;
-	struct iser_device  *device = NULL;
+	struct iser_device *device;
 
 	mutex_lock(&ig.device_list_mutex);
 
-	p_list = ig.device_list.next;
-	while (p_list != &ig.device_list) {
-		device = list_entry(p_list, struct iser_device, ig_list);
+	list_for_each_entry(device, &ig.device_list, ig_list)
 		/* find if there's a match using the node GUID */
 		if (device->ib_device->node_guid == cma_id->device->node_guid)
-			break;
-	}
+			goto inc_refcnt;
 
-	if (device == NULL) {
-		device = kzalloc(sizeof *device, GFP_KERNEL);
-		if (device == NULL)
-			goto out;
-		/* assign this device to the device */
-		device->ib_device = cma_id->device;
-		/* init the device and link it into ig device list */
-		if (iser_create_device_ib_res(device)) {
-			kfree(device);
-			device = NULL;
-			goto out;
-		}
-		list_add(&device->ig_list, &ig.device_list);
+	device = kzalloc(sizeof *device, GFP_KERNEL);
+	if (device == NULL)
+		goto out;
+
+	/* assign this device to the device */
+	device->ib_device = cma_id->device;
+	/* init the device and link it into ig device list */
+	if (iser_create_device_ib_res(device)) {
+		kfree(device);
+		device = NULL;
+		goto out;
 	}
-out:
-	BUG_ON(device == NULL);
+	list_add(&device->ig_list, &ig.device_list);
+
+inc_refcnt:
 	device->refcount++;
+out:
 	mutex_unlock(&ig.device_list_mutex);
 	return device;
 }
@@ -372,6 +368,12 @@ static void iser_addr_handler(struct rdma_cm_id *cma_id)
 	int    ret;
 
 	device = iser_device_find_by_ib_device(cma_id);
+	if (!device) {
+		iser_err("device lookup/creation failed\n");
+		iser_connect_error(cma_id);
+		return;
+	}
+
 	ib_conn = (struct iser_conn *)cma_id->context;
 	ib_conn->device = device;
 
@@ -380,7 +382,6 @@ static void iser_addr_handler(struct rdma_cm_id *cma_id)
 		iser_err("resolve route failed: %d\n", ret);
 		iser_connect_error(cma_id);
 	}
-	return;
 }
 
 static void iser_route_handler(struct rdma_cm_id *cma_id)

drivers/input/serio/i8042.h

@@ -16,7 +16,7 @@
 
 #if defined(CONFIG_MACH_JAZZ)
 #include "i8042-jazzio.h"
-#elif defined(CONFIG_SGI_IP22)
+#elif defined(CONFIG_SGI_HAS_I8042)
 #include "i8042-ip22io.h"
 #elif defined(CONFIG_PPC)
 #include "i8042-ppcio.h"

drivers/lguest/core.c

@@ -69,11 +69,22 @@ static __init int map_switcher(void)
 		switcher_page[i] = virt_to_page(addr);
 	}
 
+	/* First we check that the Switcher won't overlap the fixmap area at
+	 * the top of memory.  It's currently nowhere near, but it could have
+	 * very strange effects if it ever happened. */
+	if (SWITCHER_ADDR + (TOTAL_SWITCHER_PAGES+1)*PAGE_SIZE > FIXADDR_START){
+		err = -ENOMEM;
+		printk("lguest: mapping switcher would thwack fixmap\n");
+		goto free_pages;
+	}
+
 	/* Now we reserve the "virtual memory area" we want: 0xFFC00000
 	 * (SWITCHER_ADDR).  We might not get it in theory, but in practice
-	 * it's worked so far. */
+	 * it's worked so far.  The end address needs +1 because __get_vm_area
+	 * allocates an extra guard page, so we need space for that. */
 	switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE,
-				       VM_ALLOC, SWITCHER_ADDR, VMALLOC_END);
+				     VM_ALLOC, SWITCHER_ADDR, SWITCHER_ADDR
+				     + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE);
 	if (!switcher_vma) {
 		err = -ENOMEM;
 		printk("lguest: could not map switcher pages high\n");

drivers/lguest/lguest_user.c

@@ -241,15 +241,16 @@ static ssize_t write(struct file *file, const char __user *in,
 		cpu = &lg->cpus[cpu_id];
 		if (!cpu)
 			return -EINVAL;
-	}
 
-	/* Once the Guest is dead, all you can do is read() why it died. */
-	if (lg && lg->dead)
-		return -ENOENT;
+		/* Once the Guest is dead, you can only read() why it died. */
+		if (lg->dead)
+			return -ENOENT;
 
-	/* If you're not the task which owns the Guest, you can only break */
-	if (lg && current != cpu->tsk && req != LHREQ_BREAK)
-		return -EPERM;
+		/* If you're not the task which owns the Guest, all you can do
+		 * is break the Launcher out of running the Guest. */
+		if (current != cpu->tsk && req != LHREQ_BREAK)
+			return -EPERM;
+	}
 
 	switch (req) {
 	case LHREQ_INITIALIZE:

drivers/lguest/page_tables.c

@@ -391,7 +391,7 @@ static unsigned int find_pgdir(struct lguest *lg, unsigned long pgtable)
 {
 	unsigned int i;
 	for (i = 0; i < ARRAY_SIZE(lg->pgdirs); i++)
-		if (lg->pgdirs[i].gpgdir == pgtable)
+		if (lg->pgdirs[i].pgdir && lg->pgdirs[i].gpgdir == pgtable)
 			break;
 	return i;
 }

drivers/md/bitmap.c

@@ -1045,7 +1045,8 @@ void bitmap_daemon_work(struct bitmap *bitmap)
 	if (bitmap == NULL)
 		return;
 	if (time_before(jiffies, bitmap->daemon_lastrun + bitmap->daemon_sleep*HZ))
-		return;
+		goto done;
+
 	bitmap->daemon_lastrun = jiffies;
 	if (bitmap->allclean) {
 		bitmap->mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT;
@@ -1142,6 +1143,7 @@ void bitmap_daemon_work(struct bitmap *bitmap)
 		}
 	}
 
+ done:
 	if (bitmap->allclean == 0)
 		bitmap->mddev->thread->timeout = bitmap->daemon_sleep * HZ;
 }

drivers/md/md.c

@@ -5149,7 +5149,7 @@ static int md_seq_show(struct seq_file *seq, void *v)
 			if (mddev->ro==1)
 				seq_printf(seq, " (read-only)");
 			if (mddev->ro==2)
-				seq_printf(seq, "(auto-read-only)");
+				seq_printf(seq, " (auto-read-only)");
 			seq_printf(seq, " %s", mddev->pers->name);
 		}
 

drivers/memstick/Kconfig

@@ -8,7 +8,7 @@ menuconfig MEMSTICK
 	  Sony MemoryStick is a proprietary storage/extension card protocol.
 
 	  If you want MemoryStick support, you should say Y here and also
-	  to the specific driver for your MMC interface.
+	  to the specific driver for your MemoryStick interface.
 
 if MEMSTICK
 

drivers/memstick/core/memstick.c

@@ -18,7 +18,6 @@
 #include <linux/delay.h>
 
 #define DRIVER_NAME "memstick"
-#define DRIVER_VERSION "0.2"
 
 static unsigned int cmd_retries = 3;
 module_param(cmd_retries, uint, 0644);
@@ -236,7 +235,7 @@ int memstick_next_req(struct memstick_host *host, struct memstick_request **mrq)
 		rc = host->card->next_request(host->card, mrq);
 
 	if (!rc)
-		host->retries = cmd_retries;
+		host->retries = cmd_retries > 1 ? cmd_retries - 1 : 1;
 	else
 		*mrq = NULL;
 
@@ -271,7 +270,7 @@ void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc,
 		mrq->data_dir = READ;
 
 	mrq->sg = *sg;
-	mrq->io_type = MEMSTICK_IO_SG;
+	mrq->long_data = 1;
 
 	if (tpc == MS_TPC_SET_CMD || tpc == MS_TPC_EX_SET_CMD)
 		mrq->need_card_int = 1;
@@ -306,7 +305,7 @@ void memstick_init_req(struct memstick_request *mrq, unsigned char tpc,
 	if (mrq->data_dir == WRITE)
 		memcpy(mrq->data, buf, mrq->data_len);
 
-	mrq->io_type = MEMSTICK_IO_VAL;
+	mrq->long_data = 0;
 
 	if (tpc == MS_TPC_SET_CMD || tpc == MS_TPC_EX_SET_CMD)
 		mrq->need_card_int = 1;
@@ -561,6 +560,31 @@ void memstick_free_host(struct memstick_host *host)
 }
 EXPORT_SYMBOL(memstick_free_host);
 
+/**
+ * memstick_suspend_host - notify bus driver of host suspension
+ * @host - host to use
+ */
+void memstick_suspend_host(struct memstick_host *host)
+{
+	mutex_lock(&host->lock);
+	host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_OFF);
+	mutex_unlock(&host->lock);
+}
+EXPORT_SYMBOL(memstick_suspend_host);
+
+/**
+ * memstick_resume_host - notify bus driver of host resumption
+ * @host - host to use
+ */
+void memstick_resume_host(struct memstick_host *host)
+{
+	mutex_lock(&host->lock);
+	host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON);
+	mutex_unlock(&host->lock);
+	memstick_detect_change(host);
+}
+EXPORT_SYMBOL(memstick_resume_host);
+
 int memstick_register_driver(struct memstick_driver *drv)
 {
 	drv->driver.bus = &memstick_bus_type;
@@ -611,4 +635,3 @@ module_exit(memstick_exit);
 MODULE_AUTHOR("Alex Dubov");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Sony MemoryStick core driver");
-MODULE_VERSION(DRIVER_VERSION);

drivers/memstick/core/mspro_block.c

@@ -16,10 +16,10 @@
 #include <linux/idr.h>
 #include <linux/hdreg.h>
 #include <linux/kthread.h>
+#include <linux/delay.h>
 #include <linux/memstick.h>
 
 #define DRIVER_NAME "mspro_block"
-#define DRIVER_VERSION "0.2"
 
 static int major;
 module_param(major, int, 0644);
@@ -110,6 +110,17 @@ struct mspro_mbr {
 	unsigned int  sectors_per_partition;
 } __attribute__((packed));
 
+struct mspro_specfile {
+	char           name[8];
+	char           ext[3];
+	unsigned char  attr;
+	unsigned char  reserved[10];
+	unsigned short time;
+	unsigned short date;
+	unsigned short cluster;
+	unsigned int   size;
+} __attribute__((packed));
+
 struct mspro_devinfo {
 	unsigned short cylinders;
 	unsigned short heads;
@@ -293,6 +304,20 @@ static ssize_t mspro_block_attr_show_sysinfo(struct device *dev,
 						     dev_attr);
 	struct mspro_sys_info *x_sys = x_attr->data;
 	ssize_t rc = 0;
+	int date_tz = 0, date_tz_f = 0;
+
+	if (x_sys->assembly_date[0] > 0x80U) {
+		date_tz = (~x_sys->assembly_date[0]) + 1;
+		date_tz_f = date_tz & 3;
+		date_tz >>= 2;
+		date_tz = -date_tz;
+		date_tz_f *= 15;
+	} else if (x_sys->assembly_date[0] < 0x80U) {
+		date_tz = x_sys->assembly_date[0];
+		date_tz_f = date_tz & 3;
+		date_tz >>= 2;
+		date_tz_f *= 15;
+	}
 
 	rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "class: %x\n",
 			x_sys->class);
@@ -305,8 +330,8 @@ static ssize_t mspro_block_attr_show_sysinfo(struct device *dev,
 	rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "page size: %x\n",
 			be16_to_cpu(x_sys->page_size));
 	rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "assembly date: "
-			"%d %04u-%02u-%02u %02u:%02u:%02u\n",
-			x_sys->assembly_date[0],
+			"GMT%+d:%d %04u-%02u-%02u %02u:%02u:%02u\n",
+			date_tz, date_tz_f,
 			be16_to_cpu(*(unsigned short *)
 				    &x_sys->assembly_date[1]),
 			x_sys->assembly_date[3], x_sys->assembly_date[4],
@@ -398,6 +423,41 @@ static ssize_t mspro_block_attr_show_mbr(struct device *dev,
 	return rc;
 }
 
+static ssize_t mspro_block_attr_show_specfile(struct device *dev,
+					      struct device_attribute *attr,
+					      char *buffer)
+{
+	struct mspro_sys_attr *x_attr = container_of(attr,
+						     struct mspro_sys_attr,
+						     dev_attr);
+	struct mspro_specfile *x_spfile = x_attr->data;
+	char name[9], ext[4];
+	ssize_t rc = 0;
+
+	memcpy(name, x_spfile->name, 8);
+	name[8] = 0;
+	memcpy(ext, x_spfile->ext, 3);
+	ext[3] = 0;
+
+	rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "name: %s\n", name);
+	rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "ext: %s\n", ext);
+	rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "attribute: %x\n",
+			x_spfile->attr);
+	rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "time: %d:%d:%d\n",
+			x_spfile->time >> 11,
+			(x_spfile->time >> 5) & 0x3f,
+			(x_spfile->time & 0x1f) * 2);
+	rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "date: %d-%d-%d\n",
+			(x_spfile->date >> 9) + 1980,
+			(x_spfile->date >> 5) & 0xf,
+			x_spfile->date & 0x1f);
+	rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "start cluster: %x\n",
+			x_spfile->cluster);
+	rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "size: %x\n",
+			x_spfile->size);
+	return rc;
+}
+
 static ssize_t mspro_block_attr_show_devinfo(struct device *dev,
 					     struct device_attribute *attr,
 					     char *buffer)
@@ -430,6 +490,9 @@ static sysfs_show_t mspro_block_attr_show(unsigned char tag)
 		return mspro_block_attr_show_modelname;
 	case MSPRO_BLOCK_ID_MBR:
 		return mspro_block_attr_show_mbr;
+	case MSPRO_BLOCK_ID_SPECFILEVALUES1:
+	case MSPRO_BLOCK_ID_SPECFILEVALUES2:
+		return mspro_block_attr_show_specfile;
 	case MSPRO_BLOCK_ID_DEVINFO:
 		return mspro_block_attr_show_devinfo;
 	default:
@@ -629,7 +692,7 @@ static void mspro_block_process_request(struct memstick_dev *card,
 			param.system = msb->system;
 			param.data_count = cpu_to_be16(page_count);
 			param.data_address = cpu_to_be32((uint32_t)t_sec);
-			param.cmd_param = 0;
+			param.tpc_param = 0;
 
 			msb->data_dir = rq_data_dir(req);
 			msb->transfer_cmd = msb->data_dir == READ
@@ -758,10 +821,10 @@ static int mspro_block_switch_to_parallel(struct memstick_dev *card)
 	struct memstick_host *host = card->host;
 	struct mspro_block_data *msb = memstick_get_drvdata(card);
 	struct mspro_param_register param = {
-		.system = 0,
+		.system = MEMSTICK_SYS_PAR4,
 		.data_count = 0,
 		.data_address = 0,
-		.cmd_param = 0
+		.tpc_param = 0
 	};
 
 	card->next_request = h_mspro_block_req_init;
@@ -773,8 +836,8 @@ static int mspro_block_switch_to_parallel(struct memstick_dev *card)
 	if (card->current_mrq.error)
 		return card->current_mrq.error;
 
-	msb->system = 0;
-	host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_PARALLEL);
+	msb->system = MEMSTICK_SYS_PAR4;
+	host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_PAR4);
 
 	card->next_request = h_mspro_block_req_init;
 	msb->mrq_handler = h_mspro_block_default;
@@ -783,8 +846,24 @@ static int mspro_block_switch_to_parallel(struct memstick_dev *card)
 	wait_for_completion(&card->mrq_complete);
 
 	if (card->current_mrq.error) {
-		msb->system = 0x80;
+		msb->system = MEMSTICK_SYS_SERIAL;
+		host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_OFF);
+		msleep(1000);
+		host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON);
 		host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_SERIAL);
+
+		if (memstick_set_rw_addr(card))
+			return card->current_mrq.error;
+
+		param.system = msb->system;
+
+		card->next_request = h_mspro_block_req_init;
+		msb->mrq_handler = h_mspro_block_default;
+		memstick_init_req(&card->current_mrq, MS_TPC_WRITE_REG, &param,
+				  sizeof(param));
+		memstick_new_req(host);
+		wait_for_completion(&card->mrq_complete);
+
 		return -EFAULT;
 	}
 
@@ -802,7 +881,7 @@ static int mspro_block_read_attributes(struct memstick_dev *card)
 		.system = msb->system,
 		.data_count = cpu_to_be16(1),
 		.data_address = 0,
-		.cmd_param = 0
+		.tpc_param = 0
 	};
 	struct mspro_attribute *attr = NULL;
 	struct mspro_sys_attr *s_attr = NULL;
@@ -922,7 +1001,7 @@ static int mspro_block_read_attributes(struct memstick_dev *card)
 		param.system = msb->system;
 		param.data_count = cpu_to_be16((rc / msb->page_size) + 1);
 		param.data_address = cpu_to_be32(addr / msb->page_size);
-		param.cmd_param = 0;
+		param.tpc_param = 0;
 
 		sg_init_one(&msb->req_sg[0], buffer,
 			    be16_to_cpu(param.data_count) * msb->page_size);
@@ -964,7 +1043,7 @@ static int mspro_block_init_card(struct memstick_dev *card)
 	struct memstick_host *host = card->host;
 	int rc = 0;
 
-	msb->system = 0x80;
+	msb->system = MEMSTICK_SYS_SERIAL;
 	card->reg_addr.r_offset = offsetof(struct mspro_register, status);
 	card->reg_addr.r_length = sizeof(struct ms_status_register);
 	card->reg_addr.w_offset = offsetof(struct mspro_register, param);
@@ -973,7 +1052,7 @@ static int mspro_block_init_card(struct memstick_dev *card)
 	if (memstick_set_rw_addr(card))
 		return -EIO;
 
-	if (host->caps & MEMSTICK_CAP_PARALLEL) {
+	if (host->caps & MEMSTICK_CAP_PAR4) {
 		if (mspro_block_switch_to_parallel(card))
 			printk(KERN_WARNING "%s: could not switch to "
 			       "parallel interface\n", card->dev.bus_id);
@@ -1348,4 +1427,3 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Alex Dubov");
 MODULE_DESCRIPTION("Sony MemoryStickPro block device driver");
 MODULE_DEVICE_TABLE(memstick, mspro_block_id_tbl);
-MODULE_VERSION(DRIVER_VERSION);

drivers/memstick/host/Kconfig

@@ -20,3 +20,13 @@ config MEMSTICK_TIFM_MS
           To compile this driver as a module, choose M here: the
 	  module will be called tifm_ms.
 
+config MEMSTICK_JMICRON_38X
+	tristate "JMicron JMB38X MemoryStick interface support (EXPERIMENTAL)"
+	depends on EXPERIMENTAL && PCI
+
+	help
+	  Say Y here if you want to be able to access MemoryStick cards with
+	  the JMicron(R) JMB38X MemoryStick card reader.
+
+          To compile this driver as a module, choose M here: the
+	  module will be called jmb38x_ms.

drivers/memstick/host/Makefile

@@ -3,8 +3,8 @@
 #
 
 ifeq ($(CONFIG_MEMSTICK_DEBUG),y)
-	EXTRA_CFLAGS		+= -DDEBUG
+	EXTRA_CFLAGS			+= -DDEBUG
 endif
 
-obj-$(CONFIG_MEMSTICK_TIFM_MS)	+= tifm_ms.o
-
+obj-$(CONFIG_MEMSTICK_TIFM_MS)		+= tifm_ms.o
+obj-$(CONFIG_MEMSTICK_JMICRON_38X)	+= jmb38x_ms.o

drivers/memstick/host/jmb38x_ms.c

@@ -0,0 +1,945 @@
+/*
+ *  jmb38x_ms.c - JMicron jmb38x MemoryStick card reader
+ *
+ *  Copyright (C) 2008 Alex Dubov <oakad@yahoo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/highmem.h>
+#include <linux/memstick.h>
+
+#define DRIVER_NAME "jmb38x_ms"
+
+static int no_dma;
+module_param(no_dma, bool, 0644);
+
+enum {
+	DMA_ADDRESS       = 0x00,
+	BLOCK             = 0x04,
+	DMA_CONTROL       = 0x08,
+	TPC_P0            = 0x0c,
+	TPC_P1            = 0x10,
+	TPC               = 0x14,
+	HOST_CONTROL      = 0x18,
+	DATA              = 0x1c,
+	STATUS            = 0x20,
+	INT_STATUS        = 0x24,
+	INT_STATUS_ENABLE = 0x28,
+	INT_SIGNAL_ENABLE = 0x2c,
+	TIMER             = 0x30,
+	TIMER_CONTROL     = 0x34,
+	PAD_OUTPUT_ENABLE = 0x38,
+	PAD_PU_PD         = 0x3c,
+	CLOCK_DELAY       = 0x40,
+	ADMA_ADDRESS      = 0x44,
+	CLOCK_CONTROL     = 0x48,
+	LED_CONTROL       = 0x4c,
+	VERSION           = 0x50
+};
+
+struct jmb38x_ms_host {
+	struct jmb38x_ms        *chip;
+	void __iomem            *addr;
+	spinlock_t              lock;
+	int                     id;
+	char                    host_id[DEVICE_ID_SIZE];
+	int                     irq;
+	unsigned int            block_pos;
+	unsigned long           timeout_jiffies;
+	struct timer_list       timer;
+	struct memstick_request *req;
+	unsigned char           eject:1,
+				use_dma:1;
+	unsigned char           cmd_flags;
+	unsigned char           io_pos;
+	unsigned int            io_word[2];
+};
+
+struct jmb38x_ms {
+	struct pci_dev        *pdev;
+	int                   host_cnt;
+	struct memstick_host  *hosts[];
+};
+
+#define BLOCK_COUNT_MASK       0xffff0000
+#define BLOCK_SIZE_MASK        0x00000fff
+
+#define DMA_CONTROL_ENABLE     0x00000001
+
+#define TPC_DATA_SEL           0x00008000
+#define TPC_DIR                0x00004000
+#define TPC_WAIT_INT           0x00002000
+#define TPC_GET_INT            0x00000800
+#define TPC_CODE_SZ_MASK       0x00000700
+#define TPC_DATA_SZ_MASK       0x00000007
+
+#define HOST_CONTROL_RESET_REQ 0x00008000
+#define HOST_CONTROL_REI       0x00004000
+#define HOST_CONTROL_LED       0x00000400
+#define HOST_CONTROL_FAST_CLK  0x00000200
+#define HOST_CONTROL_RESET     0x00000100
+#define HOST_CONTROL_POWER_EN  0x00000080
+#define HOST_CONTROL_CLOCK_EN  0x00000040
+#define HOST_CONTROL_IF_SHIFT  4
+
+#define HOST_CONTROL_IF_SERIAL 0x0
+#define HOST_CONTROL_IF_PAR4   0x1
+#define HOST_CONTROL_IF_PAR8   0x3
+
+#define STATUS_HAS_MEDIA        0x00000400
+#define STATUS_FIFO_EMPTY       0x00000200
+#define STATUS_FIFO_FULL        0x00000100
+
+#define INT_STATUS_TPC_ERR      0x00080000
+#define INT_STATUS_CRC_ERR      0x00040000
+#define INT_STATUS_TIMER_TO     0x00020000
+#define INT_STATUS_HSK_TO       0x00010000
+#define INT_STATUS_ANY_ERR      0x00008000
+#define INT_STATUS_FIFO_WRDY    0x00000080
+#define INT_STATUS_FIFO_RRDY    0x00000040
+#define INT_STATUS_MEDIA_OUT    0x00000010
+#define INT_STATUS_MEDIA_IN     0x00000008
+#define INT_STATUS_DMA_BOUNDARY 0x00000004
+#define INT_STATUS_EOTRAN       0x00000002
+#define INT_STATUS_EOTPC        0x00000001
+
+#define INT_STATUS_ALL          0x000f801f
+
+#define PAD_OUTPUT_ENABLE_MS  0x0F3F
+
+#define PAD_PU_PD_OFF         0x7FFF0000
+#define PAD_PU_PD_ON_MS_SOCK0 0x5f8f0000
+#define PAD_PU_PD_ON_MS_SOCK1 0x0f0f0000
+
+enum {
+	CMD_READY    = 0x01,
+	FIFO_READY   = 0x02,
+	REG_DATA     = 0x04,
+	AUTO_GET_INT = 0x08
+};
+
+static unsigned int jmb38x_ms_read_data(struct jmb38x_ms_host *host,
+					unsigned char *buf, unsigned int length)
+{
+	unsigned int off = 0;
+
+	while (host->io_pos && length) {
+		buf[off++] = host->io_word[0] & 0xff;
+		host->io_word[0] >>= 8;
+		length--;
+		host->io_pos--;
+	}
+
+	if (!length)
+		return off;
+
+	while (!(STATUS_FIFO_EMPTY & readl(host->addr + STATUS))) {
+		if (length < 4)
+			break;
+		*(unsigned int *)(buf + off) = __raw_readl(host->addr + DATA);
+		length -= 4;
+		off += 4;
+	}
+
+	if (length
+	    && !(STATUS_FIFO_EMPTY & readl(host->addr + STATUS))) {
+		host->io_word[0] = readl(host->addr + DATA);
+		for (host->io_pos = 4; host->io_pos; --host->io_pos) {
+			buf[off++] = host->io_word[0] & 0xff;
+			host->io_word[0] >>= 8;
+			length--;
+			if (!length)
+				break;
+		}
+	}
+
+	return off;
+}
+
+static unsigned int jmb38x_ms_read_reg_data(struct jmb38x_ms_host *host,
+					    unsigned char *buf,
+					    unsigned int length)
+{
+	unsigned int off = 0;
+
+	while (host->io_pos > 4 && length) {
+		buf[off++] = host->io_word[0] & 0xff;
+		host->io_word[0] >>= 8;
+		length--;
+		host->io_pos--;
+	}
+
+	if (!length)
+		return off;
+
+	while (host->io_pos && length) {
+		buf[off++] = host->io_word[1] & 0xff;
+		host->io_word[1] >>= 8;
+		length--;
+		host->io_pos--;
+	}
+
+	return off;
+}
+
+static unsigned int jmb38x_ms_write_data(struct jmb38x_ms_host *host,
+					 unsigned char *buf,
+					 unsigned int length)
+{
+	unsigned int off = 0;
+
+	if (host->io_pos) {
+		while (host->io_pos < 4 && length) {
+			host->io_word[0] |=  buf[off++] << (host->io_pos * 8);
+			host->io_pos++;
+			length--;
+		}
+	}
+
+	if (host->io_pos == 4
+	    && !(STATUS_FIFO_FULL & readl(host->addr + STATUS))) {
+		writel(host->io_word[0], host->addr + DATA);
+		host->io_pos = 0;
+		host->io_word[0] = 0;
+	} else if (host->io_pos) {
+		return off;
+	}
+
+	if (!length)
+		return off;
+
+	while (!(STATUS_FIFO_FULL & readl(host->addr + STATUS))) {
+		if (length < 4)
+			break;
+
+		__raw_writel(*(unsigned int *)(buf + off),
+			     host->addr + DATA);
+		length -= 4;
+		off += 4;
+	}
+
+	switch (length) {
+	case 3:
+		host->io_word[0] |= buf[off + 2] << 16;
+		host->io_pos++;
+	case 2:
+		host->io_word[0] |= buf[off + 1] << 8;
+		host->io_pos++;
+	case 1:
+		host->io_word[0] |= buf[off];
+		host->io_pos++;
+	}
+
+	off += host->io_pos;
+
+	return off;
+}
+
+static unsigned int jmb38x_ms_write_reg_data(struct jmb38x_ms_host *host,
+					     unsigned char *buf,
+					     unsigned int length)
+{
+	unsigned int off = 0;
+
+	while (host->io_pos < 4 && length) {
+		host->io_word[0] &= ~(0xff << (host->io_pos * 8));
+		host->io_word[0] |=  buf[off++] << (host->io_pos * 8);
+		host->io_pos++;
+		length--;
+	}
+
+	if (!length)
+		return off;
+
+	while (host->io_pos < 8 && length) {
+		host->io_word[1] &= ~(0xff << (host->io_pos * 8));
+		host->io_word[1] |=  buf[off++] << (host->io_pos * 8);
+		host->io_pos++;
+		length--;
+	}
+
+	return off;
+}
+
+static int jmb38x_ms_transfer_data(struct jmb38x_ms_host *host)
+{
+	unsigned int length;
+	unsigned int off;
+	unsigned int t_size, p_off, p_cnt;
+	unsigned char *buf;
+	struct page *pg;
+	unsigned long flags = 0;
+
+	if (host->req->long_data) {
+		length = host->req->sg.length - host->block_pos;
+		off = host->req->sg.offset + host->block_pos;
+	} else {
+		length = host->req->data_len - host->block_pos;
+		off = 0;
+	}
+
+	while (length) {
+		if (host->req->long_data) {
+			pg = nth_page(sg_page(&host->req->sg),
+				      off >> PAGE_SHIFT);
+			p_off = offset_in_page(off);
+			p_cnt = PAGE_SIZE - p_off;
+			p_cnt = min(p_cnt, length);
+
+			local_irq_save(flags);
+			buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + p_off;
+		} else {
+			buf = host->req->data + host->block_pos;
+			p_cnt = host->req->data_len - host->block_pos;
+		}
+
+		if (host->req->data_dir == WRITE)
+			t_size = !(host->cmd_flags & REG_DATA)
+				 ? jmb38x_ms_write_data(host, buf, p_cnt)
+				 : jmb38x_ms_write_reg_data(host, buf, p_cnt);
+		else
+			t_size = !(host->cmd_flags & REG_DATA)
+				 ? jmb38x_ms_read_data(host, buf, p_cnt)
+				 : jmb38x_ms_read_reg_data(host, buf, p_cnt);
+
+		if (host->req->long_data) {
+			kunmap_atomic(buf - p_off, KM_BIO_SRC_IRQ);
+			local_irq_restore(flags);
+		}
+
+		if (!t_size)
+			break;
+		host->block_pos += t_size;
+		length -= t_size;
+		off += t_size;
+	}
+
+	if (!length && host->req->data_dir == WRITE) {
+		if (host->cmd_flags & REG_DATA) {
+			writel(host->io_word[0], host->addr + TPC_P0);
+			writel(host->io_word[1], host->addr + TPC_P1);
+		} else if (host->io_pos) {
+			writel(host->io_word[0], host->addr + DATA);
+		}
+	}
+
+	return length;
+}
+
+static int jmb38x_ms_issue_cmd(struct memstick_host *msh)
+{
+	struct jmb38x_ms_host *host = memstick_priv(msh);
+	unsigned char *data;
+	unsigned int data_len, cmd, t_val;
+
+	if (!(STATUS_HAS_MEDIA & readl(host->addr + STATUS))) {
+		dev_dbg(msh->cdev.dev, "no media status\n");
+		host->req->error = -ETIME;
+		return host->req->error;
+	}
+
+	dev_dbg(msh->cdev.dev, "control %08x\n",
+		readl(host->addr + HOST_CONTROL));
+	dev_dbg(msh->cdev.dev, "status %08x\n", readl(host->addr + INT_STATUS));
+	dev_dbg(msh->cdev.dev, "hstatus %08x\n", readl(host->addr + STATUS));
+
+	host->cmd_flags = 0;
+	host->block_pos = 0;
+	host->io_pos = 0;
+	host->io_word[0] = 0;
+	host->io_word[1] = 0;
+
+	cmd = host->req->tpc << 16;
+	cmd |= TPC_DATA_SEL;
+
+	if (host->req->data_dir == READ)
+		cmd |= TPC_DIR;
+	if (host->req->need_card_int)
+		cmd |= TPC_WAIT_INT;
+	if (host->req->get_int_reg)
+		cmd |= TPC_GET_INT;
+
+	data = host->req->data;
+
+	host->use_dma = !no_dma;
+
+	if (host->req->long_data) {
+		data_len = host->req->sg.length;
+	} else {
+		data_len = host->req->data_len;
+		host->use_dma = 0;
+	}
+
+	if (data_len <= 8) {
+		cmd &= ~(TPC_DATA_SEL | 0xf);
+		host->cmd_flags |= REG_DATA;
+		cmd |= data_len & 0xf;
+		host->use_dma = 0;
+	}
+
+	if (host->use_dma) {
+		if (1 != pci_map_sg(host->chip->pdev, &host->req->sg, 1,
+				    host->req->data_dir == READ
+				    ? PCI_DMA_FROMDEVICE
+				    : PCI_DMA_TODEVICE)) {
+			host->req->error = -ENOMEM;
+			return host->req->error;
+		}
+		data_len = sg_dma_len(&host->req->sg);
+		writel(sg_dma_address(&host->req->sg),
+		       host->addr + DMA_ADDRESS);
+		writel(((1 << 16) & BLOCK_COUNT_MASK)
+		       | (data_len & BLOCK_SIZE_MASK),
+		       host->addr + BLOCK);
+		writel(DMA_CONTROL_ENABLE, host->addr + DMA_CONTROL);
+	} else if (!(host->cmd_flags & REG_DATA)) {
+		writel(((1 << 16) & BLOCK_COUNT_MASK)
+		       | (data_len & BLOCK_SIZE_MASK),
+		       host->addr + BLOCK);
+			t_val = readl(host->addr + INT_STATUS_ENABLE);
+			t_val |= host->req->data_dir == READ
+				 ? INT_STATUS_FIFO_RRDY
+				 : INT_STATUS_FIFO_WRDY;
+
+			writel(t_val, host->addr + INT_STATUS_ENABLE);
+			writel(t_val, host->addr + INT_SIGNAL_ENABLE);
+	} else {
+		cmd &= ~(TPC_DATA_SEL | 0xf);
+		host->cmd_flags |= REG_DATA;
+		cmd |= data_len & 0xf;
+
+		if (host->req->data_dir == WRITE) {
+			jmb38x_ms_transfer_data(host);
+			writel(host->io_word[0], host->addr + TPC_P0);
+			writel(host->io_word[1], host->addr + TPC_P1);
+		}
+	}
+
+	mod_timer(&host->timer, jiffies + host->timeout_jiffies);
+	writel(HOST_CONTROL_LED | readl(host->addr + HOST_CONTROL),
+	       host->addr + HOST_CONTROL);
+	host->req->error = 0;
+
+	writel(cmd, host->addr + TPC);
+	dev_dbg(msh->cdev.dev, "executing TPC %08x, len %x\n", cmd, data_len);
+
+	return 0;
+}
+
+static void jmb38x_ms_complete_cmd(struct memstick_host *msh, int last)
+{
+	struct jmb38x_ms_host *host = memstick_priv(msh);
+	unsigned int t_val = 0;
+	int rc;
+
+	del_timer(&host->timer);
+
+	dev_dbg(msh->cdev.dev, "c control %08x\n",
+		readl(host->addr + HOST_CONTROL));
+	dev_dbg(msh->cdev.dev, "c status %08x\n",
+		readl(host->addr + INT_STATUS));
+	dev_dbg(msh->cdev.dev, "c hstatus %08x\n", readl(host->addr + STATUS));
+
+	if (host->req->get_int_reg) {
+		t_val = readl(host->addr + TPC_P0);
+		host->req->int_reg = (t_val & 0xff);
+	}
+
+	if (host->use_dma) {
+		writel(0, host->addr + DMA_CONTROL);
+		pci_unmap_sg(host->chip->pdev, &host->req->sg, 1,
+			     host->req->data_dir == READ
+			     ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE);
+	} else {
+		t_val = readl(host->addr + INT_STATUS_ENABLE);
+		if (host->req->data_dir == READ)
+			t_val &= ~INT_STATUS_FIFO_RRDY;
+		else
+			t_val &= ~INT_STATUS_FIFO_WRDY;
+
+		writel(t_val, host->addr + INT_STATUS_ENABLE);
+		writel(t_val, host->addr + INT_SIGNAL_ENABLE);
+	}
+
+	writel((~HOST_CONTROL_LED) & readl(host->addr + HOST_CONTROL),
+	       host->addr + HOST_CONTROL);
+
+	if (!last) {
+		do {
+			rc = memstick_next_req(msh, &host->req);
+		} while (!rc && jmb38x_ms_issue_cmd(msh));
+	} else {
+		do {
+			rc = memstick_next_req(msh, &host->req);
+			if (!rc)
+				host->req->error = -ETIME;
+		} while (!rc);
+	}
+}
+
+static irqreturn_t jmb38x_ms_isr(int irq, void *dev_id)
+{
+	struct memstick_host *msh = dev_id;
+	struct jmb38x_ms_host *host = memstick_priv(msh);
+	unsigned int irq_status;
+
+	spin_lock(&host->lock);
+	irq_status = readl(host->addr + INT_STATUS);
+	dev_dbg(&host->chip->pdev->dev, "irq_status = %08x\n", irq_status);
+	if (irq_status == 0 || irq_status == (~0)) {
+		spin_unlock(&host->lock);
+		return IRQ_NONE;
+	}
+
+	if (host->req) {
+		if (irq_status & INT_STATUS_ANY_ERR) {
+			if (irq_status & INT_STATUS_CRC_ERR)
+				host->req->error = -EILSEQ;
+			else
+				host->req->error = -ETIME;
+		} else {
+			if (host->use_dma) {
+				if (irq_status & INT_STATUS_EOTRAN)
+					host->cmd_flags |= FIFO_READY;
+			} else {
+				if (irq_status & (INT_STATUS_FIFO_RRDY
+						  | INT_STATUS_FIFO_WRDY))
+					jmb38x_ms_transfer_data(host);
+
+				if (irq_status & INT_STATUS_EOTRAN) {
+					jmb38x_ms_transfer_data(host);
+					host->cmd_flags |= FIFO_READY;
+				}
+			}
+
+			if (irq_status & INT_STATUS_EOTPC) {
+				host->cmd_flags |= CMD_READY;
+				if (host->cmd_flags & REG_DATA) {
+					if (host->req->data_dir == READ) {
+						host->io_word[0]
+							= readl(host->addr
+								+ TPC_P0);
+						host->io_word[1]
+							= readl(host->addr
+								+ TPC_P1);
+						host->io_pos = 8;
+
+						jmb38x_ms_transfer_data(host);
+					}
+					host->cmd_flags |= FIFO_READY;
+				}
+			}
+		}
+	}
+
+	if (irq_status & (INT_STATUS_MEDIA_IN | INT_STATUS_MEDIA_OUT)) {
+		dev_dbg(&host->chip->pdev->dev, "media changed\n");
+		memstick_detect_change(msh);
+	}
+
+	writel(irq_status, host->addr + INT_STATUS);
+
+	if (host->req
+	    && (((host->cmd_flags & CMD_READY)
+		 && (host->cmd_flags & FIFO_READY))
+		|| host->req->error))
+		jmb38x_ms_complete_cmd(msh, 0);
+
+	spin_unlock(&host->lock);
+	return IRQ_HANDLED;
+}
+
+static void jmb38x_ms_abort(unsigned long data)
+{
+	struct memstick_host *msh = (struct memstick_host *)data;
+	struct jmb38x_ms_host *host = memstick_priv(msh);
+	unsigned long flags;
+
+	dev_dbg(&host->chip->pdev->dev, "abort\n");
+	spin_lock_irqsave(&host->lock, flags);
+	if (host->req) {
+		host->req->error = -ETIME;
+		jmb38x_ms_complete_cmd(msh, 0);
+	}
+	spin_unlock_irqrestore(&host->lock, flags);
+}
+
+static void jmb38x_ms_request(struct memstick_host *msh)
+{
+	struct jmb38x_ms_host *host = memstick_priv(msh);
+	unsigned long flags;
+	int rc;
+
+	spin_lock_irqsave(&host->lock, flags);
+	if (host->req) {
+		spin_unlock_irqrestore(&host->lock, flags);
+		BUG();
+		return;
+	}
+
+	do {
+		rc = memstick_next_req(msh, &host->req);
+	} while (!rc && jmb38x_ms_issue_cmd(msh));
+	spin_unlock_irqrestore(&host->lock, flags);
+}
+
+static void jmb38x_ms_reset(struct jmb38x_ms_host *host)
+{
+	unsigned int host_ctl = readl(host->addr + HOST_CONTROL);
+
+	writel(host_ctl | HOST_CONTROL_RESET_REQ | HOST_CONTROL_RESET,
+	       host->addr + HOST_CONTROL);
+
+	while (HOST_CONTROL_RESET_REQ
+	       & (host_ctl = readl(host->addr + HOST_CONTROL))) {
+		ndelay(100);
+		dev_dbg(&host->chip->pdev->dev, "reset\n");
+	}
+
+	writel(INT_STATUS_ALL, host->addr + INT_STATUS_ENABLE);
+	writel(INT_STATUS_ALL, host->addr + INT_SIGNAL_ENABLE);
+
+	dev_dbg(&host->chip->pdev->dev, "reset\n");
+}
+
+static void jmb38x_ms_set_param(struct memstick_host *msh,
+				enum memstick_param param,
+				int value)
+{
+	struct jmb38x_ms_host *host = memstick_priv(msh);
+	unsigned int host_ctl;
+	unsigned long flags;
+
+	spin_lock_irqsave(&host->lock, flags);
+
+	switch (param) {
+	case MEMSTICK_POWER:
+		if (value == MEMSTICK_POWER_ON) {
+			jmb38x_ms_reset(host);
+
+			writel(host->id ? PAD_PU_PD_ON_MS_SOCK1
+					  : PAD_PU_PD_ON_MS_SOCK0,
+			       host->addr + PAD_PU_PD);
+
+			writel(PAD_OUTPUT_ENABLE_MS,
+			       host->addr + PAD_OUTPUT_ENABLE);
+
+			host_ctl = readl(host->addr + HOST_CONTROL);
+			host_ctl |= 7;
+			writel(host_ctl | (HOST_CONTROL_POWER_EN
+					   | HOST_CONTROL_CLOCK_EN),
+			       host->addr + HOST_CONTROL);
+
+			dev_dbg(&host->chip->pdev->dev, "power on\n");
+		} else if (value == MEMSTICK_POWER_OFF) {
+			writel(readl(host->addr + HOST_CONTROL)
+			       & ~(HOST_CONTROL_POWER_EN
+				   | HOST_CONTROL_CLOCK_EN),
+			       host->addr +  HOST_CONTROL);
+			writel(0, host->addr + PAD_OUTPUT_ENABLE);
+			writel(PAD_PU_PD_OFF, host->addr + PAD_PU_PD);
+			dev_dbg(&host->chip->pdev->dev, "power off\n");
+		}
+		break;
+	case MEMSTICK_INTERFACE:
+		/* jmb38x_ms_reset(host); */
+
+		host_ctl = readl(host->addr + HOST_CONTROL);
+		host_ctl &= ~(3 << HOST_CONTROL_IF_SHIFT);
+		/* host_ctl |= 7; */
+
+		if (value == MEMSTICK_SERIAL) {
+			host_ctl &= ~HOST_CONTROL_FAST_CLK;
+			host_ctl |= HOST_CONTROL_IF_SERIAL
+				    << HOST_CONTROL_IF_SHIFT;
+			host_ctl |= HOST_CONTROL_REI;
+			writel(0, host->addr + CLOCK_DELAY);
+		} else if (value == MEMSTICK_PAR4) {
+			host_ctl |= HOST_CONTROL_FAST_CLK;
+			host_ctl |= HOST_CONTROL_IF_PAR4
+				    << HOST_CONTROL_IF_SHIFT;
+			host_ctl &= ~HOST_CONTROL_REI;
+			writel(4, host->addr + CLOCK_DELAY);
+		} else if (value == MEMSTICK_PAR8) {
+			host_ctl |= HOST_CONTROL_FAST_CLK;
+			host_ctl |= HOST_CONTROL_IF_PAR8
+				    << HOST_CONTROL_IF_SHIFT;
+			host_ctl &= ~HOST_CONTROL_REI;
+			writel(4, host->addr + CLOCK_DELAY);
+		}
+		writel(host_ctl, host->addr + HOST_CONTROL);
+		break;
+	};
+
+	spin_unlock_irqrestore(&host->lock, flags);
+}
+
+#ifdef CONFIG_PM
+
+static int jmb38x_ms_suspend(struct pci_dev *dev, pm_message_t state)
+{
+	struct jmb38x_ms *jm = pci_get_drvdata(dev);
+	int cnt;
+
+	for (cnt = 0; cnt < jm->host_cnt; ++cnt) {
+		if (!jm->hosts[cnt])
+			break;
+		memstick_suspend_host(jm->hosts[cnt]);
+	}
+
+	pci_save_state(dev);
+	pci_enable_wake(dev, pci_choose_state(dev, state), 0);
+	pci_disable_device(dev);
+	pci_set_power_state(dev, pci_choose_state(dev, state));
+	return 0;
+}
+
+static int jmb38x_ms_resume(struct pci_dev *dev)
+{
+	struct jmb38x_ms *jm = pci_get_drvdata(dev);
+	int rc;
+
+	pci_set_power_state(dev, PCI_D0);
+	pci_restore_state(dev);
+	rc = pci_enable_device(dev);
+	if (rc)
+		return rc;
+	pci_set_master(dev);
+
+	pci_read_config_dword(dev, 0xac, &rc);
+	pci_write_config_dword(dev, 0xac, rc | 0x00470000);
+
+	for (rc = 0; rc < jm->host_cnt; ++rc) {
+		if (!jm->hosts[rc])
+			break;
+		memstick_resume_host(jm->hosts[rc]);
+		memstick_detect_change(jm->hosts[rc]);
+	}
+
+	return 0;
+}
+
+#else
+
+#define jmb38x_ms_suspend NULL
+#define jmb38x_ms_resume NULL
+
+#endif /* CONFIG_PM */
+
+static int jmb38x_ms_count_slots(struct pci_dev *pdev)
+{
+	int cnt, rc = 0;
+
+	for (cnt = 0; cnt < PCI_ROM_RESOURCE; ++cnt) {
+		if (!(IORESOURCE_MEM & pci_resource_flags(pdev, cnt)))
+			break;
+
+		if (256 != pci_resource_len(pdev, cnt))
+			break;
+
+		++rc;
+	}
+	return rc;
+}
+
+static struct memstick_host *jmb38x_ms_alloc_host(struct jmb38x_ms *jm, int cnt)
+{
+	struct memstick_host *msh;
+	struct jmb38x_ms_host *host;
+
+	msh = memstick_alloc_host(sizeof(struct jmb38x_ms_host),
+				  &jm->pdev->dev);
+	if (!msh)
+		return NULL;
+
+	host = memstick_priv(msh);
+	host->chip = jm;
+	host->addr = ioremap(pci_resource_start(jm->pdev, cnt),
+			     pci_resource_len(jm->pdev, cnt));
+	if (!host->addr)
+		goto err_out_free;
+
+	spin_lock_init(&host->lock);
+	host->id = cnt;
+	snprintf(host->host_id, DEVICE_ID_SIZE, DRIVER_NAME ":slot%d",
+		 host->id);
+	host->irq = jm->pdev->irq;
+	host->timeout_jiffies = msecs_to_jiffies(4000);
+	msh->request = jmb38x_ms_request;
+	msh->set_param = jmb38x_ms_set_param;
+	/*
+	msh->caps = MEMSTICK_CAP_AUTO_GET_INT | MEMSTICK_CAP_PAR4
+		    | MEMSTICK_CAP_PAR8;
+	*/
+	msh->caps = MEMSTICK_CAP_PAR4 | MEMSTICK_CAP_PAR8;
+
+	setup_timer(&host->timer, jmb38x_ms_abort, (unsigned long)msh);
+
+	if (!request_irq(host->irq, jmb38x_ms_isr, IRQF_SHARED, host->host_id,
+			 msh))
+		return msh;
+
+	iounmap(host->addr);
+err_out_free:
+	kfree(msh);
+	return NULL;
+}
+
+static void jmb38x_ms_free_host(struct memstick_host *msh)
+{
+	struct jmb38x_ms_host *host = memstick_priv(msh);
+
+	free_irq(host->irq, msh);
+	iounmap(host->addr);
+	memstick_free_host(msh);
+}
+
+static int jmb38x_ms_probe(struct pci_dev *pdev,
+			   const struct pci_device_id *dev_id)
+{
+	struct jmb38x_ms *jm;
+	int pci_dev_busy = 0;
+	int rc, cnt;
+
+	rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+	if (rc)
+		return rc;
+
+	rc = pci_enable_device(pdev);
+	if (rc)
+		return rc;
+
+	pci_set_master(pdev);
+
+	rc = pci_request_regions(pdev, DRIVER_NAME);
+	if (rc) {
+		pci_dev_busy = 1;
+		goto err_out;
+	}
+
+	pci_read_config_dword(pdev, 0xac, &rc);
+	pci_write_config_dword(pdev, 0xac, rc | 0x00470000);
+
+	cnt = jmb38x_ms_count_slots(pdev);
+	if (!cnt) {
+		rc = -ENODEV;
+		pci_dev_busy = 1;
+		goto err_out;
+	}
+
+	jm = kzalloc(sizeof(struct jmb38x_ms)
+		     + cnt * sizeof(struct memstick_host *), GFP_KERNEL);
+	if (!jm) {
+		rc = -ENOMEM;
+		goto err_out_int;
+	}
+
+	jm->pdev = pdev;
+	jm->host_cnt = cnt;
+	pci_set_drvdata(pdev, jm);
+
+	for (cnt = 0; cnt < jm->host_cnt; ++cnt) {
+		jm->hosts[cnt] = jmb38x_ms_alloc_host(jm, cnt);
+		if (!jm->hosts[cnt])
+			break;
+
+		rc = memstick_add_host(jm->hosts[cnt]);
+
+		if (rc) {
+			jmb38x_ms_free_host(jm->hosts[cnt]);
+			jm->hosts[cnt] = NULL;
+			break;
+		}
+	}
+
+	if (cnt)
+		return 0;
+
+	rc = -ENODEV;
+
+	pci_set_drvdata(pdev, NULL);
+	kfree(jm);
+err_out_int:
+	pci_release_regions(pdev);
+err_out:
+	if (!pci_dev_busy)
+		pci_disable_device(pdev);
+	return rc;
+}
+
+static void jmb38x_ms_remove(struct pci_dev *dev)
+{
+	struct jmb38x_ms *jm = pci_get_drvdata(dev);
+	struct jmb38x_ms_host *host;
+	int cnt;
+	unsigned long flags;
+
+	for (cnt = 0; cnt < jm->host_cnt; ++cnt) {
+		if (!jm->hosts[cnt])
+			break;
+
+		host = memstick_priv(jm->hosts[cnt]);
+
+		writel(0, host->addr + INT_SIGNAL_ENABLE);
+		writel(0, host->addr + INT_STATUS_ENABLE);
+		mmiowb();
+		dev_dbg(&jm->pdev->dev, "interrupts off\n");
+		spin_lock_irqsave(&host->lock, flags);
+		if (host->req) {
+			host->req->error = -ETIME;
+			jmb38x_ms_complete_cmd(jm->hosts[cnt], 1);
+		}
+		spin_unlock_irqrestore(&host->lock, flags);
+
+		memstick_remove_host(jm->hosts[cnt]);
+		dev_dbg(&jm->pdev->dev, "host removed\n");
+
+		jmb38x_ms_free_host(jm->hosts[cnt]);
+	}
+
+	pci_set_drvdata(dev, NULL);
+	pci_release_regions(dev);
+	pci_disable_device(dev);
+	kfree(jm);
+}
+
+static struct pci_device_id jmb38x_ms_id_tbl [] = {
+	{ PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB38X_MS, PCI_ANY_ID,
+	  PCI_ANY_ID, 0, 0, 0 },
+	{ }
+};
+
+static struct pci_driver jmb38x_ms_driver = {
+	.name = DRIVER_NAME,
+	.id_table = jmb38x_ms_id_tbl,
+	.probe = jmb38x_ms_probe,
+	.remove = jmb38x_ms_remove,
+	.suspend = jmb38x_ms_suspend,
+	.resume = jmb38x_ms_resume
+};
+
+static int __init jmb38x_ms_init(void)
+{
+	return pci_register_driver(&jmb38x_ms_driver);
+}
+
+static void __exit jmb38x_ms_exit(void)
+{
+	pci_unregister_driver(&jmb38x_ms_driver);
+}
+
+MODULE_AUTHOR("Alex Dubov");
+MODULE_DESCRIPTION("JMicron jmb38x MemoryStick driver");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(pci, jmb38x_ms_id_tbl);
+
+module_init(jmb38x_ms_init);
+module_exit(jmb38x_ms_exit);

drivers/memstick/host/tifm_ms.c

@@ -20,293 +20,315 @@
 #include <asm/io.h>
 
 #define DRIVER_NAME "tifm_ms"
-#define DRIVER_VERSION "0.1"
 
 static int no_dma;
 module_param(no_dma, bool, 0644);
 
-#define TIFM_MS_TIMEOUT      0x00100
-#define TIFM_MS_BADCRC       0x00200
-#define TIFM_MS_EOTPC        0x01000
-#define TIFM_MS_INT          0x02000
-
-/* The meaning of the bit majority in this constant is unknown. */
-#define TIFM_MS_SERIAL       0x04010
+/*
+ * Some control bits of TIFM appear to conform to Sony's reference design,
+ * so I'm just assuming they all are.
+ */
 
-#define TIFM_MS_SYS_LATCH    0x00100
-#define TIFM_MS_SYS_NOT_RDY  0x00800
-#define TIFM_MS_SYS_DATA     0x10000
+#define TIFM_MS_STAT_DRQ     0x04000
+#define TIFM_MS_STAT_MSINT   0x02000
+#define TIFM_MS_STAT_RDY     0x01000
+#define TIFM_MS_STAT_CRC     0x00200
+#define TIFM_MS_STAT_TOE     0x00100
+#define TIFM_MS_STAT_EMP     0x00020
+#define TIFM_MS_STAT_FUL     0x00010
+#define TIFM_MS_STAT_CED     0x00008
+#define TIFM_MS_STAT_ERR     0x00004
+#define TIFM_MS_STAT_BRQ     0x00002
+#define TIFM_MS_STAT_CNK     0x00001
+
+#define TIFM_MS_SYS_DMA      0x10000
+#define TIFM_MS_SYS_RESET    0x08000
+#define TIFM_MS_SYS_SRAC     0x04000
+#define TIFM_MS_SYS_INTEN    0x02000
+#define TIFM_MS_SYS_NOCRC    0x01000
+#define TIFM_MS_SYS_INTCLR   0x00800
+#define TIFM_MS_SYS_MSIEN    0x00400
+#define TIFM_MS_SYS_FCLR     0x00200
+#define TIFM_MS_SYS_FDIR     0x00100
+#define TIFM_MS_SYS_DAM      0x00080
+#define TIFM_MS_SYS_DRM      0x00040
+#define TIFM_MS_SYS_DRQSL    0x00020
+#define TIFM_MS_SYS_REI      0x00010
+#define TIFM_MS_SYS_REO      0x00008
+#define TIFM_MS_SYS_BSY_MASK 0x00007
+
+#define TIFM_MS_SYS_FIFO     (TIFM_MS_SYS_INTEN | TIFM_MS_SYS_MSIEN \
+			      | TIFM_MS_SYS_FCLR | TIFM_MS_SYS_BSY_MASK)
 
 /* Hardware flags */
 enum {
-	CMD_READY  = 0x0001,
-	FIFO_READY = 0x0002,
-	CARD_READY = 0x0004,
-	DATA_CARRY = 0x0008
+	CMD_READY  = 0x01,
+	FIFO_READY = 0x02,
+	CARD_INT   = 0x04
 };
 
 struct tifm_ms {
 	struct tifm_dev         *dev;
-	unsigned short          eject:1,
-				no_dma:1;
-	unsigned short          cmd_flags;
+	struct timer_list       timer;
+	struct memstick_request *req;
 	unsigned int            mode_mask;
 	unsigned int            block_pos;
 	unsigned long           timeout_jiffies;
-
-	struct timer_list       timer;
-	struct memstick_request *req;
+	unsigned char           eject:1,
+				use_dma:1;
+	unsigned char           cmd_flags;
+	unsigned char           io_pos;
 	unsigned int            io_word;
 };
 
-static void tifm_ms_read_fifo(struct tifm_ms *host, unsigned int fifo_offset,
-			      struct page *pg, unsigned int page_off,
-			      unsigned int length)
+static unsigned int tifm_ms_read_data(struct tifm_ms *host,
+				      unsigned char *buf, unsigned int length)
 {
 	struct tifm_dev *sock = host->dev;
-	unsigned int cnt = 0, off = 0;
-	unsigned char *buf = kmap_atomic(pg, KM_BIO_DST_IRQ) + page_off;
+	unsigned int off = 0;
+
+	while (host->io_pos && length) {
+		buf[off++] = host->io_word & 0xff;
+		host->io_word >>= 8;
+		length--;
+		host->io_pos--;
+	}
 
-	if (host->cmd_flags & DATA_CARRY) {
-		while ((fifo_offset & 3) && length) {
+	if (!length)
+		return off;
+
+	while (!(TIFM_MS_STAT_EMP & readl(sock->addr + SOCK_MS_STATUS))) {
+		if (length < 4)
+			break;
+		*(unsigned int *)(buf + off) = __raw_readl(sock->addr
+							   + SOCK_MS_DATA);
+		length -= 4;
+		off += 4;
+	}
+
+	if (length
+	    && !(TIFM_MS_STAT_EMP & readl(sock->addr + SOCK_MS_STATUS))) {
+		host->io_word = readl(sock->addr + SOCK_MS_DATA);
+		for (host->io_pos = 4; host->io_pos; --host->io_pos) {
 			buf[off++] = host->io_word & 0xff;
 			host->io_word >>= 8;
 			length--;
-			fifo_offset++;
+			if (!length)
+				break;
 		}
-		if (!(fifo_offset & 3))
-			host->cmd_flags &= ~DATA_CARRY;
-		if (!length)
-			return;
 	}
 
-	do {
-		host->io_word = readl(sock->addr + SOCK_FIFO_ACCESS
-				      + fifo_offset);
-		cnt = 4;
-		while (length && cnt) {
-			buf[off++] = (host->io_word >> 8) & 0xff;
-			cnt--;
-			length--;
-		}
-		fifo_offset += 4 - cnt;
-	} while (length);
-
-	if (cnt)
-		host->cmd_flags |= DATA_CARRY;
-
-	kunmap_atomic(buf - page_off, KM_BIO_DST_IRQ);
+	return off;
 }
 
-static void tifm_ms_write_fifo(struct tifm_ms *host, unsigned int fifo_offset,
-			       struct page *pg, unsigned int page_off,
-			       unsigned int length)
+static unsigned int tifm_ms_write_data(struct tifm_ms *host,
+				       unsigned char *buf, unsigned int length)
 {
 	struct tifm_dev *sock = host->dev;
-	unsigned int cnt = 0, off = 0;
-	unsigned char *buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + page_off;
+	unsigned int off = 0;
 
-	if (host->cmd_flags & DATA_CARRY) {
-		while (fifo_offset & 3) {
-			host->io_word |= buf[off++] << (8 * (fifo_offset & 3));
+	if (host->io_pos) {
+		while (host->io_pos < 4 && length) {
+			host->io_word |=  buf[off++] << (host->io_pos * 8);
+			host->io_pos++;
 			length--;
-			fifo_offset++;
 		}
-		if (!(fifo_offset & 3)) {
-			writel(host->io_word, sock->addr + SOCK_FIFO_ACCESS
-			       + fifo_offset - 4);
-
-			host->cmd_flags &= ~DATA_CARRY;
-		}
-		if (!length)
-			return;
 	}
 
-	do {
-		cnt = 4;
+	if (host->io_pos == 4
+	    && !(TIFM_MS_STAT_FUL & readl(sock->addr + SOCK_MS_STATUS))) {
+		writel(TIFM_MS_SYS_FDIR | readl(sock->addr + SOCK_MS_SYSTEM),
+		       sock->addr + SOCK_MS_SYSTEM);
+		writel(host->io_word, sock->addr + SOCK_MS_DATA);
+		host->io_pos = 0;
 		host->io_word = 0;
-		while (length && cnt) {
-			host->io_word |= buf[off++] << (4 - cnt);
-			cnt--;
-			length--;
-		}
-		fifo_offset += 4 - cnt;
-		if (!cnt)
-			writel(host->io_word, sock->addr + SOCK_FIFO_ACCESS
-					      + fifo_offset - 4);
-
-	} while (length);
-
-	if (cnt)
-		host->cmd_flags |= DATA_CARRY;
+	} else if (host->io_pos) {
+		return off;
+	}
 
-	kunmap_atomic(buf - page_off, KM_BIO_SRC_IRQ);
-}
+	if (!length)
+		return off;
 
-static void tifm_ms_move_block(struct tifm_ms *host, unsigned int length)
-{
-	unsigned int t_size;
-	unsigned int off = host->req->sg.offset + host->block_pos;
-	unsigned int p_off, p_cnt;
-	struct page *pg;
-	unsigned long flags;
+	while (!(TIFM_MS_STAT_FUL & readl(sock->addr + SOCK_MS_STATUS))) {
+		if (length < 4)
+			break;
+		writel(TIFM_MS_SYS_FDIR | readl(sock->addr + SOCK_MS_SYSTEM),
+		       sock->addr + SOCK_MS_SYSTEM);
+		__raw_writel(*(unsigned int *)(buf + off),
+			     sock->addr + SOCK_MS_DATA);
+		length -= 4;
+		off += 4;
+	}
 
-	dev_dbg(&host->dev->dev, "moving block\n");
-	local_irq_save(flags);
-	t_size = length;
-	while (t_size) {
-		pg = nth_page(sg_page(&host->req->sg), off >> PAGE_SHIFT);
-		p_off = offset_in_page(off);
-		p_cnt = PAGE_SIZE - p_off;
-		p_cnt = min(p_cnt, t_size);
+	switch (length) {
+	case 3:
+		host->io_word |= buf[off + 2] << 16;
+		host->io_pos++;
+	case 2:
+		host->io_word |= buf[off + 1] << 8;
+		host->io_pos++;
+	case 1:
+		host->io_word |= buf[off];
+		host->io_pos++;
+	}
 
-		if (host->req->data_dir == WRITE)
-			tifm_ms_write_fifo(host, length - t_size,
-					   pg, p_off, p_cnt);
-		else
-			tifm_ms_read_fifo(host, length - t_size,
-					  pg, p_off, p_cnt);
+	off += host->io_pos;
 
-		t_size -= p_cnt;
-	}
-	local_irq_restore(flags);
+	return off;
 }
 
-static int tifm_ms_transfer_data(struct tifm_ms *host, int skip)
+static unsigned int tifm_ms_transfer_data(struct tifm_ms *host)
 {
 	struct tifm_dev *sock = host->dev;
-	unsigned int length = host->req->sg.length - host->block_pos;
+	unsigned int length;
+	unsigned int off;
+	unsigned int t_size, p_off, p_cnt;
+	unsigned char *buf;
+	struct page *pg;
+	unsigned long flags = 0;
+
+	if (host->req->long_data) {
+		length = host->req->sg.length - host->block_pos;
+		off = host->req->sg.offset + host->block_pos;
+	} else {
+		length = host->req->data_len - host->block_pos;
+		off = 0;
+	}
+	dev_dbg(&sock->dev, "fifo data transfer, %d, %d\n", length,
+		host->block_pos);
+
+	while (length) {
+		if (host->req->long_data) {
+			pg = nth_page(sg_page(&host->req->sg),
+				      off >> PAGE_SHIFT);
+			p_off = offset_in_page(off);
+			p_cnt = PAGE_SIZE - p_off;
+			p_cnt = min(p_cnt, length);
+
+			local_irq_save(flags);
+			buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + p_off;
+		} else {
+			buf = host->req->data + host->block_pos;
+			p_cnt = host->req->data_len - host->block_pos;
+		}
 
-	if (!length)
-		return 1;
+		t_size = host->req->data_dir == WRITE
+			 ? tifm_ms_write_data(host, buf, p_cnt)
+			 : tifm_ms_read_data(host, buf, p_cnt);
 
-	if (length > TIFM_FIFO_SIZE)
-		length = TIFM_FIFO_SIZE;
+		if (host->req->long_data) {
+			kunmap_atomic(buf - p_off, KM_BIO_SRC_IRQ);
+			local_irq_restore(flags);
+		}
 
-	if (!skip) {
-		tifm_ms_move_block(host, length);
-		host->block_pos += length;
+		if (!t_size)
+			break;
+		host->block_pos += t_size;
+		length -= t_size;
+		off += t_size;
 	}
 
-	if ((host->req->data_dir == READ)
-	    && (host->block_pos == host->req->sg.length))
-		return 1;
-
-	writel(ilog2(length) - 2, sock->addr + SOCK_FIFO_PAGE_SIZE);
-	if (host->req->data_dir == WRITE)
-		writel((1 << 8) | TIFM_DMA_TX, sock->addr + SOCK_DMA_CONTROL);
-	else
-		writel((1 << 8), sock->addr + SOCK_DMA_CONTROL);
+	dev_dbg(&sock->dev, "fifo data transfer, %d remaining\n", length);
+	if (!length && (host->req->data_dir == WRITE)) {
+		if (host->io_pos) {
+			writel(TIFM_MS_SYS_FDIR
+			       | readl(sock->addr + SOCK_MS_SYSTEM),
+			       sock->addr + SOCK_MS_SYSTEM);
+			writel(host->io_word, sock->addr + SOCK_MS_DATA);
+		}
+		writel(TIFM_MS_SYS_FDIR
+		       | readl(sock->addr + SOCK_MS_SYSTEM),
+		       sock->addr + SOCK_MS_SYSTEM);
+		writel(0, sock->addr + SOCK_MS_DATA);
+	} else {
+		readl(sock->addr + SOCK_MS_DATA);
+	}
 
-	return 0;
+	return length;
 }
 
 static int tifm_ms_issue_cmd(struct tifm_ms *host)
 {
 	struct tifm_dev *sock = host->dev;
 	unsigned char *data;
-	unsigned int data_len = 0, cmd = 0, cmd_mask = 0, cnt, tval = 0;
+	unsigned int data_len, cmd, sys_param;
 
+	host->cmd_flags = 0;
+	host->block_pos = 0;
+	host->io_pos = 0;
+	host->io_word = 0;
 	host->cmd_flags = 0;
 
-	if (host->req->io_type == MEMSTICK_IO_SG) {
-		if (!host->no_dma) {
-			if (1 != tifm_map_sg(sock, &host->req->sg, 1,
-					     host->req->data_dir == READ
-					     ? PCI_DMA_FROMDEVICE
-					     : PCI_DMA_TODEVICE)) {
-				host->req->error = -ENOMEM;
-				return host->req->error;
-			}
-			data_len = sg_dma_len(&host->req->sg);
-		} else
-			data_len = host->req->sg.length;
-
-		writel(TIFM_FIFO_INT_SETALL,
-		       sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR);
-		writel(TIFM_FIFO_ENABLE,
-		       sock->addr + SOCK_FIFO_CONTROL);
-		writel(TIFM_FIFO_INTMASK,
-		       sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET);
+	data = host->req->data;
 
-		if (!host->no_dma) {
-			writel(ilog2(data_len) - 2,
-			       sock->addr + SOCK_FIFO_PAGE_SIZE);
-			writel(sg_dma_address(&host->req->sg),
-			       sock->addr + SOCK_DMA_ADDRESS);
-			if (host->req->data_dir == WRITE)
-				writel((1 << 8) | TIFM_DMA_TX | TIFM_DMA_EN,
-				       sock->addr + SOCK_DMA_CONTROL);
-			else
-				writel((1 << 8) | TIFM_DMA_EN,
-				       sock->addr + SOCK_DMA_CONTROL);
-		} else {
-			tifm_ms_transfer_data(host,
-					      host->req->data_dir == READ);
-		}
+	host->use_dma = !no_dma;
 
-		cmd_mask = readl(sock->addr + SOCK_MS_SYSTEM);
-		cmd_mask |= TIFM_MS_SYS_DATA | TIFM_MS_SYS_NOT_RDY;
-		writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM);
-	} else if (host->req->io_type == MEMSTICK_IO_VAL) {
-		data = host->req->data;
+	if (host->req->long_data) {
+		data_len = host->req->sg.length;
+		if (!is_power_of_2(data_len))
+			host->use_dma = 0;
+	} else {
 		data_len = host->req->data_len;
+		host->use_dma = 0;
+	}
 
-		cmd_mask = host->mode_mask | 0x2607; /* unknown constant */
-
-		if (host->req->data_dir == WRITE) {
-			cmd_mask |= TIFM_MS_SYS_LATCH;
-			writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM);
-			for (cnt = 0; (data_len - cnt) >= 4; cnt += 4) {
-				writel(TIFM_MS_SYS_LATCH
-				       | readl(sock->addr + SOCK_MS_SYSTEM),
-				       sock->addr + SOCK_MS_SYSTEM);
-				__raw_writel(*(unsigned int *)(data + cnt),
-					     sock->addr + SOCK_MS_DATA);
-				dev_dbg(&sock->dev, "writing %x\n",
-					*(int *)(data + cnt));
-			}
-			switch (data_len - cnt) {
-			case 3:
-				tval |= data[cnt + 2] << 16;
-			case 2:
-				tval |= data[cnt + 1] << 8;
-			case 1:
-				tval |= data[cnt];
-				writel(TIFM_MS_SYS_LATCH
-				       | readl(sock->addr + SOCK_MS_SYSTEM),
-				       sock->addr + SOCK_MS_SYSTEM);
-				writel(tval, sock->addr + SOCK_MS_DATA);
-				dev_dbg(&sock->dev, "writing %x\n", tval);
-			}
+	writel(TIFM_FIFO_INT_SETALL,
+	       sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR);
+	writel(TIFM_FIFO_ENABLE,
+	       sock->addr + SOCK_FIFO_CONTROL);
+
+	if (host->use_dma) {
+		if (1 != tifm_map_sg(sock, &host->req->sg, 1,
+				     host->req->data_dir == READ
+				     ? PCI_DMA_FROMDEVICE
+				     : PCI_DMA_TODEVICE)) {
+			host->req->error = -ENOMEM;
+			return host->req->error;
+		}
+		data_len = sg_dma_len(&host->req->sg);
 
-			writel(TIFM_MS_SYS_LATCH
-			       | readl(sock->addr + SOCK_MS_SYSTEM),
-			       sock->addr + SOCK_MS_SYSTEM);
-			writel(0, sock->addr + SOCK_MS_DATA);
-			dev_dbg(&sock->dev, "writing %x\n", 0);
+		writel(ilog2(data_len) - 2,
+		       sock->addr + SOCK_FIFO_PAGE_SIZE);
+		writel(TIFM_FIFO_INTMASK,
+		       sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET);
+		sys_param = TIFM_DMA_EN | (1 << 8);
+		if (host->req->data_dir == WRITE)
+			sys_param |= TIFM_DMA_TX;
+
+		writel(TIFM_FIFO_INTMASK,
+		       sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET);
 
-		} else
-			writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM);
+		writel(sg_dma_address(&host->req->sg),
+		       sock->addr + SOCK_DMA_ADDRESS);
+		writel(sys_param, sock->addr + SOCK_DMA_CONTROL);
+	} else {
+		writel(host->mode_mask | TIFM_MS_SYS_FIFO,
+		       sock->addr + SOCK_MS_SYSTEM);
 
-		cmd_mask = readl(sock->addr + SOCK_MS_SYSTEM);
-		cmd_mask &= ~TIFM_MS_SYS_DATA;
-		cmd_mask |= TIFM_MS_SYS_NOT_RDY;
-		dev_dbg(&sock->dev, "mask %x\n", cmd_mask);
-		writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM);
-	} else
-		BUG();
+		writel(TIFM_FIFO_MORE,
+		       sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET);
+	}
 
 	mod_timer(&host->timer, jiffies + host->timeout_jiffies);
 	writel(TIFM_CTRL_LED | readl(sock->addr + SOCK_CONTROL),
 	       sock->addr + SOCK_CONTROL);
 	host->req->error = 0;
 
+	sys_param = readl(sock->addr + SOCK_MS_SYSTEM);
+	sys_param |= TIFM_MS_SYS_INTCLR;
+
+	if (host->use_dma)
+		sys_param |= TIFM_MS_SYS_DMA;
+	else
+		sys_param &= ~TIFM_MS_SYS_DMA;
+
+	writel(sys_param, sock->addr + SOCK_MS_SYSTEM);
+
 	cmd = (host->req->tpc & 0xf) << 12;
 	cmd |= data_len;
 	writel(cmd, sock->addr + SOCK_MS_COMMAND);
 
-	dev_dbg(&sock->dev, "executing TPC %x, %x\n", cmd, cmd_mask);
+	dev_dbg(&sock->dev, "executing TPC %x, %x\n", cmd, sys_param);
 	return 0;
 }
 
@@ -314,47 +336,20 @@ static void tifm_ms_complete_cmd(struct tifm_ms *host)
 {
 	struct tifm_dev *sock = host->dev;
 	struct memstick_host *msh = tifm_get_drvdata(sock);
-	unsigned int tval = 0, data_len;
-	unsigned char *data;
 	int rc;
 
 	del_timer(&host->timer);
-	if (host->req->io_type == MEMSTICK_IO_SG) {
-		if (!host->no_dma)
-			tifm_unmap_sg(sock, &host->req->sg, 1,
-				      host->req->data_dir == READ
-				      ? PCI_DMA_FROMDEVICE
-				      : PCI_DMA_TODEVICE);
-	} else if (host->req->io_type == MEMSTICK_IO_VAL) {
-		writel(~TIFM_MS_SYS_DATA & readl(sock->addr + SOCK_MS_SYSTEM),
-		       sock->addr + SOCK_MS_SYSTEM);
-
-		data = host->req->data;
-		data_len = host->req->data_len;
 
-		if (host->req->data_dir == READ) {
-			for (rc = 0; (data_len - rc) >= 4; rc += 4)
-				*(int *)(data + rc)
-					= __raw_readl(sock->addr
-						      + SOCK_MS_DATA);
-
-			if (data_len - rc)
-				tval = readl(sock->addr + SOCK_MS_DATA);
-			switch (data_len - rc) {
-			case 3:
-				data[rc + 2] = (tval >> 16) & 0xff;
-			case 2:
-				data[rc + 1] = (tval >> 8) & 0xff;
-			case 1:
-				data[rc] = tval & 0xff;
-			}
-			readl(sock->addr + SOCK_MS_DATA);
-		}
-	}
+	if (host->use_dma)
+		tifm_unmap_sg(sock, &host->req->sg, 1,
+			      host->req->data_dir == READ
+			      ? PCI_DMA_FROMDEVICE
+			      : PCI_DMA_TODEVICE);
 
 	writel((~TIFM_CTRL_LED) & readl(sock->addr + SOCK_CONTROL),
 	       sock->addr + SOCK_CONTROL);
 
+	dev_dbg(&sock->dev, "TPC complete\n");
 	do {
 		rc = memstick_next_req(msh, &host->req);
 	} while (!rc && tifm_ms_issue_cmd(host));
@@ -365,11 +360,10 @@ static int tifm_ms_check_status(struct tifm_ms *host)
 	if (!host->req->error) {
 		if (!(host->cmd_flags & CMD_READY))
 			return 1;
-		if ((host->req->io_type == MEMSTICK_IO_SG)
-		    && !(host->cmd_flags & FIFO_READY))
+		if (!(host->cmd_flags & FIFO_READY))
 			return 1;
 		if (host->req->need_card_int
-		    && !(host->cmd_flags & CARD_READY))
+		    && !(host->cmd_flags & CARD_INT))
 			return 1;
 	}
 	return 0;
@@ -379,18 +373,24 @@ static int tifm_ms_check_status(struct tifm_ms *host)
 static void tifm_ms_data_event(struct tifm_dev *sock)
 {
 	struct tifm_ms *host;
-	unsigned int fifo_status = 0;
+	unsigned int fifo_status = 0, host_status = 0;
 	int rc = 1;
 
 	spin_lock(&sock->lock);
 	host = memstick_priv((struct memstick_host *)tifm_get_drvdata(sock));
 	fifo_status = readl(sock->addr + SOCK_DMA_FIFO_STATUS);
-	dev_dbg(&sock->dev, "data event: fifo_status %x, flags %x\n",
-		fifo_status, host->cmd_flags);
+	host_status = readl(sock->addr + SOCK_MS_STATUS);
+	dev_dbg(&sock->dev,
+		"data event: fifo_status %x, host_status %x, flags %x\n",
+		fifo_status, host_status, host->cmd_flags);
 
 	if (host->req) {
-		if (fifo_status & TIFM_FIFO_READY) {
-			if (!host->no_dma || tifm_ms_transfer_data(host, 0)) {
+		if (host->use_dma && (fifo_status & 1)) {
+			host->cmd_flags |= FIFO_READY;
+			rc = tifm_ms_check_status(host);
+		}
+		if (!host->use_dma && (fifo_status & TIFM_FIFO_MORE)) {
+			if (!tifm_ms_transfer_data(host)) {
 				host->cmd_flags |= FIFO_READY;
 				rc = tifm_ms_check_status(host);
 			}
@@ -419,9 +419,9 @@ static void tifm_ms_card_event(struct tifm_dev *sock)
 		host_status, host->cmd_flags);
 
 	if (host->req) {
-		if (host_status & TIFM_MS_TIMEOUT)
+		if (host_status & TIFM_MS_STAT_TOE)
 			host->req->error = -ETIME;
-		else if (host_status & TIFM_MS_BADCRC)
+		else if (host_status & TIFM_MS_STAT_CRC)
 			host->req->error = -EILSEQ;
 
 		if (host->req->error) {
@@ -430,18 +430,17 @@ static void tifm_ms_card_event(struct tifm_dev *sock)
 			writel(TIFM_DMA_RESET, sock->addr + SOCK_DMA_CONTROL);
 		}
 
-		if (host_status & TIFM_MS_EOTPC)
+		if (host_status & TIFM_MS_STAT_RDY)
 			host->cmd_flags |= CMD_READY;
-		if (host_status & TIFM_MS_INT)
-			host->cmd_flags |= CARD_READY;
+
+		if (host_status & TIFM_MS_STAT_MSINT)
+			host->cmd_flags |= CARD_INT;
 
 		rc = tifm_ms_check_status(host);
 
 	}
 
-	writel(TIFM_MS_SYS_NOT_RDY | readl(sock->addr + SOCK_MS_SYSTEM),
-	       sock->addr + SOCK_MS_SYSTEM);
-	writel((~TIFM_MS_SYS_DATA) & readl(sock->addr + SOCK_MS_SYSTEM),
+	writel(TIFM_MS_SYS_INTCLR | readl(sock->addr + SOCK_MS_SYSTEM),
 	       sock->addr + SOCK_MS_SYSTEM);
 
 	if (!rc)
@@ -497,15 +496,26 @@ static void tifm_ms_set_param(struct memstick_host *msh,
 
 	switch (param) {
 	case MEMSTICK_POWER:
-		/* this is set by card detection mechanism */
+		/* also affected by media detection mechanism */
+		if (value == MEMSTICK_POWER_ON) {
+			host->mode_mask = TIFM_MS_SYS_SRAC | TIFM_MS_SYS_REI;
+			writel(TIFM_MS_SYS_RESET, sock->addr + SOCK_MS_SYSTEM);
+			writel(TIFM_MS_SYS_FCLR | TIFM_MS_SYS_INTCLR,
+			       sock->addr + SOCK_MS_SYSTEM);
+			writel(0xffffffff, sock->addr + SOCK_MS_STATUS);
+		} else if (value == MEMSTICK_POWER_OFF) {
+			writel(TIFM_MS_SYS_FCLR | TIFM_MS_SYS_INTCLR,
+			       sock->addr + SOCK_MS_SYSTEM);
+			writel(0xffffffff, sock->addr + SOCK_MS_STATUS);
+		}
 		break;
 	case MEMSTICK_INTERFACE:
 		if (value == MEMSTICK_SERIAL) {
-			host->mode_mask = TIFM_MS_SERIAL;
+			host->mode_mask = TIFM_MS_SYS_SRAC | TIFM_MS_SYS_REI;
 			writel((~TIFM_CTRL_FAST_CLK)
 			       & readl(sock->addr + SOCK_CONTROL),
 			       sock->addr + SOCK_CONTROL);
-		} else if (value == MEMSTICK_PARALLEL) {
+		} else if (value == MEMSTICK_PAR4) {
 			host->mode_mask = 0;
 			writel(TIFM_CTRL_FAST_CLK
 			       | readl(sock->addr + SOCK_CONTROL),
@@ -532,21 +542,6 @@ static void tifm_ms_abort(unsigned long data)
 	tifm_eject(host->dev);
 }
 
-static int tifm_ms_initialize_host(struct tifm_ms *host)
-{
-	struct tifm_dev *sock = host->dev;
-	struct memstick_host *msh = tifm_get_drvdata(sock);
-
-	host->mode_mask = TIFM_MS_SERIAL;
-	writel(0x8000, sock->addr + SOCK_MS_SYSTEM);
-	writel(0x0200 | TIFM_MS_SYS_NOT_RDY, sock->addr + SOCK_MS_SYSTEM);
-	writel(0xffffffff, sock->addr + SOCK_MS_STATUS);
-	if (tifm_has_ms_pif(sock))
-		msh->caps |= MEMSTICK_CAP_PARALLEL;
-
-	return 0;
-}
-
 static int tifm_ms_probe(struct tifm_dev *sock)
 {
 	struct memstick_host *msh;
@@ -568,7 +563,6 @@ static int tifm_ms_probe(struct tifm_dev *sock)
 	tifm_set_drvdata(sock, msh);
 	host->dev = sock;
 	host->timeout_jiffies = msecs_to_jiffies(1000);
-	host->no_dma = no_dma;
 
 	setup_timer(&host->timer, tifm_ms_abort, (unsigned long)host);
 
@@ -576,10 +570,10 @@ static int tifm_ms_probe(struct tifm_dev *sock)
 	msh->set_param = tifm_ms_set_param;
 	sock->card_event = tifm_ms_card_event;
 	sock->data_event = tifm_ms_data_event;
-	rc = tifm_ms_initialize_host(host);
+	if (tifm_has_ms_pif(sock))
+		msh->caps |= MEMSTICK_CAP_PAR4;
 
-	if (!rc)
-		rc = memstick_add_host(msh);
+	rc = memstick_add_host(msh);
 	if (!rc)
 		return 0;
 
@@ -601,7 +595,7 @@ static void tifm_ms_remove(struct tifm_dev *sock)
 		writel(TIFM_FIFO_INT_SETALL,
 		       sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR);
 		writel(TIFM_DMA_RESET, sock->addr + SOCK_DMA_CONTROL);
-		if ((host->req->io_type == MEMSTICK_IO_SG) && !host->no_dma)
+		if (host->use_dma)
 			tifm_unmap_sg(sock, &host->req->sg, 1,
 				      host->req->data_dir == READ
 				      ? PCI_DMA_TODEVICE
@@ -617,10 +611,6 @@ static void tifm_ms_remove(struct tifm_dev *sock)
 	spin_unlock_irqrestore(&sock->lock, flags);
 
 	memstick_remove_host(msh);
-
-	writel(0x0200 | TIFM_MS_SYS_NOT_RDY, sock->addr + SOCK_MS_SYSTEM);
-	writel(0xffffffff, sock->addr + SOCK_MS_STATUS);
-
 	memstick_free_host(msh);
 }
 
@@ -628,17 +618,17 @@ static void tifm_ms_remove(struct tifm_dev *sock)
 
 static int tifm_ms_suspend(struct tifm_dev *sock, pm_message_t state)
 {
+	struct memstick_host *msh = tifm_get_drvdata(sock);
+
+	memstick_suspend_host(msh);
 	return 0;
 }
 
 static int tifm_ms_resume(struct tifm_dev *sock)
 {
 	struct memstick_host *msh = tifm_get_drvdata(sock);
-	struct tifm_ms *host = memstick_priv(msh);
-
-	tifm_ms_initialize_host(host);
-	memstick_detect_change(msh);
 
+	memstick_resume_host(msh);
 	return 0;
 }
 
@@ -679,7 +669,6 @@ MODULE_AUTHOR("Alex Dubov");
 MODULE_DESCRIPTION("TI FlashMedia MemoryStick driver");
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(tifm, tifm_ms_id_tbl);
-MODULE_VERSION(DRIVER_VERSION);
 
 module_init(tifm_ms_init);
 module_exit(tifm_ms_exit);

drivers/misc/tifm_7xx1.c

@@ -367,6 +367,8 @@ static int tifm_7xx1_probe(struct pci_dev *dev,
 	if (rc)
 		goto err_out_irq;
 
+	writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1),
+	       fm->addr + FM_CLEAR_INTERRUPT_ENABLE);
 	writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1),
 	       fm->addr + FM_SET_INTERRUPT_ENABLE);
 	return 0;

drivers/pci/hotplug/ibmphp_ebda.c

@@ -963,6 +963,7 @@ static int __init ebda_rsrc_controller (void)
 
 			bus_info_ptr1 = ibmphp_find_same_bus_num (hpc_ptr->slots[index].slot_bus_num);
 			if (!bus_info_ptr1) {
+				kfree(tmp_slot);
 				rc = -ENODEV;
 				goto error;
 			}

drivers/serial/of_serial.c

@@ -138,7 +138,7 @@ static struct of_device_id __devinitdata of_platform_serial_table[] = {
 	{ /* end of list */ },
 };
 
-static struct of_platform_driver __devinitdata of_platform_serial_driver = {
+static struct of_platform_driver of_platform_serial_driver = {
 	.owner = THIS_MODULE,
 	.name = "of_serial",
 	.probe = of_platform_serial_probe,

drivers/usb/gadget/Kconfig

@@ -131,7 +131,7 @@ config USB_ATMEL_USBA
 
 config USB_GADGET_FSL_USB2
 	boolean "Freescale Highspeed USB DR Peripheral Controller"
-	depends on MPC834x || PPC_MPC831x
+	depends on FSL_SOC
 	select USB_GADGET_DUALSPEED
 	help
 	   Some of Freescale PowerPC processors have a High Speed

drivers/usb/host/ehci-hcd.c

@@ -281,23 +281,44 @@ static void ehci_iaa_watchdog(unsigned long param)
 {
 	struct ehci_hcd		*ehci = (struct ehci_hcd *) param;
 	unsigned long		flags;
-	u32			status, cmd;
 
 	spin_lock_irqsave (&ehci->lock, flags);
-	WARN_ON(!ehci->reclaim);
 
-	status = ehci_readl(ehci, &ehci->regs->status);
-	cmd = ehci_readl(ehci, &ehci->regs->command);
-	ehci_dbg(ehci, "IAA watchdog: status %x cmd %x\n", status, cmd);
-
-	/* lost IAA irqs wedge things badly; seen first with a vt8235 */
-	if (ehci->reclaim) {
-		if (status & STS_IAA) {
-			ehci_vdbg (ehci, "lost IAA\n");
+	/* Lost IAA irqs wedge things badly; seen first with a vt8235.
+	 * So we need this watchdog, but must protect it against both
+	 * (a) SMP races against real IAA firing and retriggering, and
+	 * (b) clean HC shutdown, when IAA watchdog was pending.
+	 */
+	if (ehci->reclaim
+			&& !timer_pending(&ehci->iaa_watchdog)
+			&& HC_IS_RUNNING(ehci_to_hcd(ehci)->state)) {
+		u32 cmd, status;
+
+		/* If we get here, IAA is *REALLY* late.  It's barely
+		 * conceivable that the system is so busy that CMD_IAAD
+		 * is still legitimately set, so let's be sure it's
+		 * clear before we read STS_IAA.  (The HC should clear
+		 * CMD_IAAD when it sets STS_IAA.)
+		 */
+		cmd = ehci_readl(ehci, &ehci->regs->command);
+		if (cmd & CMD_IAAD)
+			ehci_writel(ehci, cmd & ~CMD_IAAD,
+					&ehci->regs->command);
+
+		/* If IAA is set here it either legitimately triggered
+		 * before we cleared IAAD above (but _way_ late, so we'll
+		 * still count it as lost) ... or a silicon erratum:
+		 * - VIA seems to set IAA without triggering the IRQ;
+		 * - IAAD potentially cleared without setting IAA.
+		 */
+		status = ehci_readl(ehci, &ehci->regs->status);
+		if ((status & STS_IAA) || !(cmd & CMD_IAAD)) {
 			COUNT (ehci->stats.lost_iaa);
 			ehci_writel(ehci, STS_IAA, &ehci->regs->status);
 		}
-		ehci_writel(ehci, cmd & ~CMD_IAAD, &ehci->regs->command);
+
+		ehci_vdbg(ehci, "IAA watchdog: status %x cmd %x\n",
+				status, cmd);
 		end_unlink_async(ehci);
 	}
 
@@ -631,7 +652,7 @@ static int ehci_run (struct usb_hcd *hcd)
 static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 {
 	struct ehci_hcd		*ehci = hcd_to_ehci (hcd);
-	u32			status, pcd_status = 0;
+	u32			status, pcd_status = 0, cmd;
 	int			bh;
 
 	spin_lock (&ehci->lock);
@@ -652,7 +673,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 
 	/* clear (just) interrupts */
 	ehci_writel(ehci, status, &ehci->regs->status);
-	ehci_readl(ehci, &ehci->regs->command);	/* unblock posted write */
+	cmd = ehci_readl(ehci, &ehci->regs->command);
 	bh = 0;
 
 #ifdef	EHCI_VERBOSE_DEBUG
@@ -673,8 +694,17 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 
 	/* complete the unlinking of some qh [4.15.2.3] */
 	if (status & STS_IAA) {
-		COUNT (ehci->stats.reclaim);
-		end_unlink_async(ehci);
+		/* guard against (alleged) silicon errata */
+		if (cmd & CMD_IAAD) {
+			ehci_writel(ehci, cmd & ~CMD_IAAD,
+					&ehci->regs->command);
+			ehci_dbg(ehci, "IAA with IAAD still set?\n");
+		}
+		if (ehci->reclaim) {
+			COUNT(ehci->stats.reclaim);
+			end_unlink_async(ehci);
+		} else
+			ehci_dbg(ehci, "IAA with nothing to reclaim?\n");
 	}
 
 	/* remote wakeup [4.3.1] */
@@ -781,7 +811,7 @@ static int ehci_urb_enqueue (
 static void unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
 {
 	/* failfast */
-	if (!HC_IS_RUNNING(ehci_to_hcd(ehci)->state))
+	if (!HC_IS_RUNNING(ehci_to_hcd(ehci)->state) && ehci->reclaim)
 		end_unlink_async(ehci);
 
 	/* if it's not linked then there's nothing to do */

drivers/usb/serial/cypress_m8.c

@@ -94,6 +94,7 @@ static struct usb_device_id id_table_earthmate [] = {
 
 static struct usb_device_id id_table_cyphidcomrs232 [] = {
 	{ USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
+	{ USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
 	{ }						/* Terminating entry */
 };
 
@@ -106,6 +107,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB) },
 	{ USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) },
 	{ USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
+	{ USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
 	{ USB_DEVICE(VENDOR_ID_DAZZLE, PRODUCT_ID_CA42) },
 	{ }						/* Terminating entry */
 };

drivers/usb/serial/cypress_m8.h

@@ -19,6 +19,10 @@
 #define VENDOR_ID_CYPRESS		 0x04b4
 #define PRODUCT_ID_CYPHIDCOM		 0x5500
 
+/* Powercom UPS, chip CY7C63723 */
+#define VENDOR_ID_POWERCOM		 0x0d9f
+#define PRODUCT_ID_UPS			 0x0002
+
 /* Nokia CA-42 USB to serial cable */
 #define VENDOR_ID_DAZZLE		0x07d0
 #define PRODUCT_ID_CA42			0x4101

drivers/usb/serial/ftdi_sio.c

@@ -359,6 +359,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),

drivers/usb/serial/ftdi_sio.h

@@ -557,6 +557,9 @@
 #define TML_VID			0x1B91	/* Vendor ID */
 #define TML_USB_SERIAL_PID	0x0064	/* USB - Serial Converter */
 
+/* Propox devices */
+#define FTDI_PROPOX_JTAGCABLEII_PID	0xD738
+
 /* Commands */
 #define FTDI_SIO_RESET 		0 /* Reset the port */
 #define FTDI_SIO_MODEM_CTRL 	1 /* Set the modem control register */

drivers/usb/serial/generic.c

@@ -323,7 +323,7 @@ static void flush_and_resubmit_read_urb (struct usb_serial_port *port)
 		room = tty_buffer_request_room(tty, urb->actual_length);
 		if (room) {
 			tty_insert_flip_string(tty, urb->transfer_buffer, room);
-			tty_flip_buffer_push(tty); /* is this allowed from an URB callback ? */
+			tty_flip_buffer_push(tty);
 		}
 	}
 
@@ -349,10 +349,12 @@ void usb_serial_generic_read_bulk_callback (struct urb *urb)
 
 	/* Throttle the device if requested by tty */
 	spin_lock_irqsave(&port->lock, flags);
-	if (!(port->throttled = port->throttle_req))
-		/* Handle data and continue reading from device */
+	if (!(port->throttled = port->throttle_req)) {
+		spin_unlock_irqrestore(&port->lock, flags);
 		flush_and_resubmit_read_urb(port);
-	spin_unlock_irqrestore(&port->lock, flags);
+	} else {
+		spin_unlock_irqrestore(&port->lock, flags);
+	}
 }
 EXPORT_SYMBOL_GPL(usb_serial_generic_read_bulk_callback);
 

drivers/usb/serial/option.c

@@ -111,6 +111,42 @@ static int  option_send_setup(struct usb_serial_port *port);
 #define HUAWEI_PRODUCT_E220BIS			0x1004
 
 #define NOVATELWIRELESS_VENDOR_ID		0x1410
+
+/* MERLIN EVDO PRODUCTS */
+#define NOVATELWIRELESS_PRODUCT_V640		0x1100
+#define NOVATELWIRELESS_PRODUCT_V620		0x1110
+#define NOVATELWIRELESS_PRODUCT_V740		0x1120
+#define NOVATELWIRELESS_PRODUCT_V720		0x1130
+
+/* MERLIN HSDPA/HSPA PRODUCTS */
+#define NOVATELWIRELESS_PRODUCT_U730		0x1400
+#define NOVATELWIRELESS_PRODUCT_U740		0x1410
+#define NOVATELWIRELESS_PRODUCT_U870		0x1420
+#define NOVATELWIRELESS_PRODUCT_XU870		0x1430
+#define NOVATELWIRELESS_PRODUCT_X950D		0x1450
+
+/* EXPEDITE PRODUCTS */
+#define NOVATELWIRELESS_PRODUCT_EV620		0x2100
+#define NOVATELWIRELESS_PRODUCT_ES720		0x2110
+#define NOVATELWIRELESS_PRODUCT_E725		0x2120
+#define NOVATELWIRELESS_PRODUCT_EU730		0x2400
+#define NOVATELWIRELESS_PRODUCT_EU740		0x2410
+#define NOVATELWIRELESS_PRODUCT_EU870D		0x2420
+
+/* OVATION PRODUCTS */
+#define NOVATELWIRELESS_PRODUCT_MC727		0x4100
+#define NOVATELWIRELESS_PRODUCT_MC950D		0x4400
+
+/* FUTURE NOVATEL PRODUCTS */
+#define NOVATELWIRELESS_PRODUCT_EVDO_1		0x6000
+#define NOVATELWIRELESS_PRODUCT_HSPA_1		0x7000
+#define NOVATELWIRELESS_PRODUCT_EMBEDDED_1	0x8000
+#define NOVATELWIRELESS_PRODUCT_GLOBAL_1	0x9000
+#define NOVATELWIRELESS_PRODUCT_EVDO_2		0x6001
+#define NOVATELWIRELESS_PRODUCT_HSPA_2		0x7001
+#define NOVATELWIRELESS_PRODUCT_EMBEDDED_2	0x8001
+#define NOVATELWIRELESS_PRODUCT_GLOBAL_2	0x9001
+
 #define DELL_VENDOR_ID				0x413C
 
 #define KYOCERA_VENDOR_ID			0x0c88
@@ -168,21 +204,34 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1100) }, /* Novatel Merlin XS620/S640 */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1110) }, /* Novatel Merlin S620 */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1120) }, /* Novatel Merlin EX720 */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1130) }, /* Novatel Merlin S720 */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1400) }, /* Novatel U730 */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1410) }, /* Novatel U740 */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1420) }, /* Novatel EU870 */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1430) }, /* Novatel Merlin XU870 HSDPA/3G */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2100) }, /* Novatel EV620 CDMA/EV-DO */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2110) }, /* Novatel Merlin ES620 / Merlin ES720 / Ovation U720 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2130) }, /* Novatel Merlin ES620 SM Bus */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2410) }, /* Novatel EU740 */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x4100) }, /* Novatel U727 */
-	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x4400) }, /* Novatel MC950 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x5010) }, /* Novatel U727 */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_1) }, /* Novatel EVDO product */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_1) }, /* Novatel HSPA product */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_1) }, /* Novatel Embedded product */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_1) }, /* Novatel Global product */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_2) }, /* Novatel EVDO product */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_2) }, /* Novatel HSPA product */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_2) }, /* Novatel Embedded product */
+	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_2) }, /* Novatel Global product */
+
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8114) },	/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8115) },	/* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8116) },	/* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */

drivers/usb/storage/sddr55.c

@@ -522,8 +522,8 @@ int sddr55_reset(struct us_data *us) {
 
 static unsigned long sddr55_get_capacity(struct us_data *us) {
 
-	unsigned char manufacturerID;
-	unsigned char deviceID;
+	unsigned char uninitialized_var(manufacturerID);
+	unsigned char uninitialized_var(deviceID);
 	int result;
 	struct sddr55_card_info *info = (struct sddr55_card_info *)us->extra;
 

drivers/video/Kconfig

@@ -553,6 +553,19 @@ config FB_BF54X_LQ043
 	help
 	 This is the framebuffer device driver for a SHARP LQ043T1DG01 TFT LCD
 
+config FB_BFIN_T350MCQB
+	tristate "Varitronix COG-T350MCQB TFT LCD display (BF527 EZKIT)"
+	depends on FB && BLACKFIN
+	select BFIN_GPTIMERS
+	select FB_CFB_FILLRECT
+	select FB_CFB_COPYAREA
+	select FB_CFB_IMAGEBLIT
+	help
+	 This is the framebuffer device driver for a Varitronix VL-PS-COG-T350MCQB-01 display TFT LCD
+	 This display is a QVGA 320x240 24-bit RGB display interfaced by an 8-bit wide PPI
+	 It uses PPI[0..7] PPI_FS1, PPI_FS2 and PPI_CLK.
+
+
 config FB_STI
 	tristate "HP STI frame buffer device support"
 	depends on FB && PARISC

drivers/video/Makefile

@@ -122,6 +122,7 @@ obj-$(CONFIG_FB_EFI)              += efifb.o
 obj-$(CONFIG_FB_VGA16)            += vga16fb.o
 obj-$(CONFIG_FB_OF)               += offb.o
 obj-$(CONFIG_FB_BF54X_LQ043)	  += bf54x-lq043fb.o
+obj-$(CONFIG_FB_BFIN_T350MCQB)	  += bfin-t350mcqb-fb.o
 
 # the test framebuffer is last
 obj-$(CONFIG_FB_VIRTUAL)          += vfb.o

drivers/video/bf54x-lq043fb.c

@@ -8,7 +8,7 @@
  *
  *
  * Modified:
- *               Copyright 2004-2007 Analog Devices Inc.
+ *               Copyright 2007-2008 Analog Devices Inc.
  *
  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  *
@@ -241,7 +241,7 @@ static int request_ports(struct bfin_bf54xfb_info *fbi)
 	u16 eppi_req_18[] = EPPI0_18;
 	u16 disp = fbi->mach_info->disp;
 
-	if (gpio_request(disp, NULL)) {
+	if (gpio_request(disp, DRIVER_NAME)) {
 		printk(KERN_ERR "Requesting GPIO %d faild\n", disp);
 		return -EFAULT;
 	}
@@ -672,7 +672,7 @@ static int __init bfin_bf54x_probe(struct platform_device *pdev)
 				      &bfin_lq043fb_bl_ops);
 	bl_dev->props.max_brightness = 255;
 
-	lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops);
+	lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops);
 	lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n");
 #endif
 

drivers/video/bfin-t350mcqb-fb.c

@@ -0,0 +1,685 @@
+/*
+ * File:         drivers/video/bfin-t350mcqb-fb.c
+ * Based on:
+ * Author:       Michael Hennerich <hennerich@blackfin.uclinux.org>
+ *
+ * Created:
+ * Description:  Blackfin LCD Framebufer driver
+ *
+ *
+ * Modified:
+ *               Copyright 2004-2007 Analog Devices Inc.
+ *
+ * Bugs:         Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/backlight.h>
+#include <linux/lcd.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+
+#include <asm/blackfin.h>
+#include <asm/irq.h>
+#include <asm/dma-mapping.h>
+#include <asm/dma.h>
+#include <asm/portmux.h>
+#include <asm/gptimers.h>
+
+#define NO_BL_SUPPORT
+
+#define LCD_X_RES		320	/* Horizontal Resolution */
+#define LCD_Y_RES		240	/* Vertical Resolution */
+#define LCD_BPP			24	/* Bit Per Pixel */
+
+#define	DMA_BUS_SIZE		16
+#define	LCD_CLK         	(12*1000*1000)	/* 12MHz */
+
+#define CLOCKS_PER_PIX		3
+
+	/*
+	 * HS and VS timing parameters (all in number of PPI clk ticks)
+	 */
+
+#define U_LINE		1				/* Blanking Lines */
+
+#define H_ACTPIX	(LCD_X_RES * CLOCKS_PER_PIX)	/* active horizontal pixel */
+#define H_PERIOD	(408 * CLOCKS_PER_PIX)		/* HS period */
+#define H_PULSE		90				/* HS pulse width */
+#define H_START		204				/* first valid pixel */
+
+#define	V_LINES		(LCD_Y_RES + U_LINE)		/* total vertical lines */
+#define V_PULSE		(3 * H_PERIOD)			/* VS pulse width (1-5 H_PERIODs) */
+#define V_PERIOD	(H_PERIOD * V_LINES)		/* VS period */
+
+#define ACTIVE_VIDEO_MEM_OFFSET	(U_LINE * H_ACTPIX)
+
+#define BFIN_LCD_NBR_PALETTE_ENTRIES	256
+
+#define DRIVER_NAME "bfin-t350mcqb"
+static char driver_name[] = DRIVER_NAME;
+
+struct bfin_t350mcqbfb_info {
+	struct fb_info *fb;
+	struct device *dev;
+	unsigned char *fb_buffer;	/* RGB Buffer */
+	dma_addr_t dma_handle;
+	int lq043_mmap;
+	int lq043_open_cnt;
+	int irq;
+	spinlock_t lock;	/* lock */
+};
+
+static int nocursor;
+module_param(nocursor, int, 0644);
+MODULE_PARM_DESC(nocursor, "cursor enable/disable");
+
+#define PPI_TX_MODE		0x2
+#define PPI_XFER_TYPE_11	0xC
+#define PPI_PORT_CFG_01		0x10
+#define PPI_PACK_EN		0x80
+#define PPI_POLS_1		0x8000
+
+static void bfin_t350mcqb_config_ppi(struct bfin_t350mcqbfb_info *fbi)
+{
+	bfin_write_PPI_DELAY(H_START);
+	bfin_write_PPI_COUNT(H_ACTPIX-1);
+	bfin_write_PPI_FRAME(V_LINES);
+
+	bfin_write_PPI_CONTROL(PPI_TX_MODE |	   /* output mode , PORT_DIR */
+				PPI_XFER_TYPE_11 | /* sync mode XFR_TYPE */
+				PPI_PORT_CFG_01 |  /* two frame sync PORT_CFG */
+				PPI_PACK_EN |	   /* packing enabled PACK_EN */
+				PPI_POLS_1);	   /* faling edge syncs POLS */
+}
+
+static inline void bfin_t350mcqb_disable_ppi(void)
+{
+	bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() & ~PORT_EN);
+}
+
+static inline void bfin_t350mcqb_enable_ppi(void)
+{
+	bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN);
+}
+
+static void bfin_t350mcqb_start_timers(void)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+		enable_gptimers(TIMER1bit);
+		enable_gptimers(TIMER0bit);
+	local_irq_restore(flags);
+}
+
+static void bfin_t350mcqb_stop_timers(void)
+{
+	disable_gptimers(TIMER0bit | TIMER1bit);
+
+	set_gptimer_status(0, TIMER_STATUS_TRUN0 | TIMER_STATUS_TRUN1 |
+				TIMER_STATUS_TIMIL0 | TIMER_STATUS_TIMIL1 |
+				 TIMER_STATUS_TOVF0 | TIMER_STATUS_TOVF1);
+
+}
+
+static void bfin_t350mcqb_init_timers(void)
+{
+
+	bfin_t350mcqb_stop_timers();
+
+	set_gptimer_period(TIMER0_id, H_PERIOD);
+	set_gptimer_pwidth(TIMER0_id, H_PULSE);
+	set_gptimer_config(TIMER0_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT |
+				      TIMER_TIN_SEL | TIMER_CLK_SEL|
+				      TIMER_EMU_RUN);
+
+	set_gptimer_period(TIMER1_id, V_PERIOD);
+	set_gptimer_pwidth(TIMER1_id, V_PULSE);
+	set_gptimer_config(TIMER1_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT |
+				      TIMER_TIN_SEL | TIMER_CLK_SEL |
+				      TIMER_EMU_RUN);
+
+}
+
+static void bfin_t350mcqb_config_dma(struct bfin_t350mcqbfb_info *fbi)
+{
+
+	set_dma_config(CH_PPI,
+		       set_bfin_dma_config(DIR_READ, DMA_FLOW_AUTO,
+					   INTR_DISABLE, DIMENSION_2D,
+					   DATA_SIZE_16,
+					   DMA_NOSYNC_KEEP_DMA_BUF));
+	set_dma_x_count(CH_PPI, (LCD_X_RES * LCD_BPP) / DMA_BUS_SIZE);
+	set_dma_x_modify(CH_PPI, DMA_BUS_SIZE / 8);
+	set_dma_y_count(CH_PPI, V_LINES);
+
+	set_dma_y_modify(CH_PPI, DMA_BUS_SIZE / 8);
+	set_dma_start_addr(CH_PPI, (unsigned long)fbi->fb_buffer);
+
+}
+
+static int bfin_t350mcqb_request_ports(int action)
+{
+	u16 ppi0_req_8[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
+			    P_PPI0_D0, P_PPI0_D1, P_PPI0_D2,
+			    P_PPI0_D3, P_PPI0_D4, P_PPI0_D5,
+			    P_PPI0_D6, P_PPI0_D7, 0};
+
+	if (action) {
+		if (peripheral_request_list(ppi0_req_8, DRIVER_NAME)) {
+			printk(KERN_ERR "Requesting Peripherals faild\n");
+			return -EFAULT;
+		}
+	} else
+		peripheral_free_list(ppi0_req_8);
+
+	return 0;
+}
+
+static int bfin_t350mcqb_fb_open(struct fb_info *info, int user)
+{
+	struct bfin_t350mcqbfb_info *fbi = info->par;
+
+	spin_lock(&fbi->lock);
+	fbi->lq043_open_cnt++;
+
+	if (fbi->lq043_open_cnt <= 1) {
+
+		bfin_t350mcqb_disable_ppi();
+		SSYNC();
+
+		bfin_t350mcqb_config_dma(fbi);
+		bfin_t350mcqb_config_ppi(fbi);
+		bfin_t350mcqb_init_timers();
+
+		/* start dma */
+		enable_dma(CH_PPI);
+		bfin_t350mcqb_enable_ppi();
+		bfin_t350mcqb_start_timers();
+	}
+
+	spin_unlock(&fbi->lock);
+
+	return 0;
+}
+
+static int bfin_t350mcqb_fb_release(struct fb_info *info, int user)
+{
+	struct bfin_t350mcqbfb_info *fbi = info->par;
+
+	spin_lock(&fbi->lock);
+
+	fbi->lq043_open_cnt--;
+	fbi->lq043_mmap = 0;
+
+	if (fbi->lq043_open_cnt <= 0) {
+		bfin_t350mcqb_disable_ppi();
+		SSYNC();
+		disable_dma(CH_PPI);
+		bfin_t350mcqb_stop_timers();
+		memset(fbi->fb_buffer, 0, info->fix.smem_len);
+	}
+
+	spin_unlock(&fbi->lock);
+
+	return 0;
+}
+
+static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var,
+				   struct fb_info *info)
+{
+
+	if (var->bits_per_pixel != LCD_BPP) {
+		pr_debug("%s: depth not supported: %u BPP\n", __FUNCTION__,
+			 var->bits_per_pixel);
+		return -EINVAL;
+	}
+
+	if (info->var.xres != var->xres || info->var.yres != var->yres ||
+	    info->var.xres_virtual != var->xres_virtual ||
+	    info->var.yres_virtual != var->yres_virtual) {
+		pr_debug("%s: Resolution not supported: X%u x Y%u \n",
+			 __FUNCTION__, var->xres, var->yres);
+		return -EINVAL;
+	}
+
+	/*
+	 *  Memory limit
+	 */
+
+	if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) {
+		pr_debug("%s: Memory Limit requested yres_virtual = %u\n",
+			 __FUNCTION__, var->yres_virtual);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static int bfin_t350mcqb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
+{
+	struct bfin_t350mcqbfb_info *fbi = info->par;
+
+	if (fbi->lq043_mmap)
+		return -1;
+
+	spin_lock(&fbi->lock);
+	fbi->lq043_mmap = 1;
+	spin_unlock(&fbi->lock);
+
+	vma->vm_start = (unsigned long)(fbi->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET);
+
+	vma->vm_end = vma->vm_start + info->fix.smem_len;
+	/* For those who don't understand how mmap works, go read
+	 *   Documentation/nommu-mmap.txt.
+	 * For those that do, you will know that the VM_MAYSHARE flag
+	 * must be set in the vma->vm_flags structure on noMMU
+	 *   Other flags can be set, and are documented in
+	 *   include/linux/mm.h
+	 */
+	vma->vm_flags |= VM_MAYSHARE;
+
+	return 0;
+}
+
+int bfin_t350mcqb_fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
+{
+	if (nocursor)
+		return 0;
+	else
+		return -EINVAL;	/* just to force soft_cursor() call */
+}
+
+static int bfin_t350mcqb_fb_setcolreg(u_int regno, u_int red, u_int green,
+				   u_int blue, u_int transp,
+				   struct fb_info *info)
+{
+	if (regno >= BFIN_LCD_NBR_PALETTE_ENTRIES)
+		return -EINVAL;
+
+	if (info->var.grayscale) {
+		/* grayscale = 0.30*R + 0.59*G + 0.11*B */
+		red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
+	}
+
+	if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
+
+		u32 value;
+		/* Place color in the pseudopalette */
+		if (regno > 16)
+			return -EINVAL;
+
+		red >>= (16 - info->var.red.length);
+		green >>= (16 - info->var.green.length);
+		blue >>= (16 - info->var.blue.length);
+
+		value = (red << info->var.red.offset) |
+		    (green << info->var.green.offset) |
+		    (blue << info->var.blue.offset);
+		value &= 0xFFFFFF;
+
+		((u32 *) (info->pseudo_palette))[regno] = value;
+
+	}
+
+	return 0;
+}
+
+static struct fb_ops bfin_t350mcqb_fb_ops = {
+	.owner = THIS_MODULE,
+	.fb_open = bfin_t350mcqb_fb_open,
+	.fb_release = bfin_t350mcqb_fb_release,
+	.fb_check_var = bfin_t350mcqb_fb_check_var,
+	.fb_fillrect = cfb_fillrect,
+	.fb_copyarea = cfb_copyarea,
+	.fb_imageblit = cfb_imageblit,
+	.fb_mmap = bfin_t350mcqb_fb_mmap,
+	.fb_cursor = bfin_t350mcqb_fb_cursor,
+	.fb_setcolreg = bfin_t350mcqb_fb_setcolreg,
+};
+
+#ifndef NO_BL_SUPPORT
+static int bl_get_brightness(struct backlight_device *bd)
+{
+	return 0;
+}
+
+static struct backlight_ops bfin_lq043fb_bl_ops = {
+	.get_brightness = bl_get_brightness,
+};
+
+static struct backlight_device *bl_dev;
+
+static int bfin_lcd_get_power(struct lcd_device *dev)
+{
+	return 0;
+}
+
+static int bfin_lcd_set_power(struct lcd_device *dev, int power)
+{
+	return 0;
+}
+
+static int bfin_lcd_get_contrast(struct lcd_device *dev)
+{
+	return 0;
+}
+
+static int bfin_lcd_set_contrast(struct lcd_device *dev, int contrast)
+{
+
+	return 0;
+}
+
+static int bfin_lcd_check_fb(struct fb_info *fi)
+{
+	if (!fi || (fi == &bfin_t350mcqb_fb))
+		return 1;
+	return 0;
+}
+
+static struct lcd_ops bfin_lcd_ops = {
+	.get_power = bfin_lcd_get_power,
+	.set_power = bfin_lcd_set_power,
+	.get_contrast = bfin_lcd_get_contrast,
+	.set_contrast = bfin_lcd_set_contrast,
+	.check_fb = bfin_lcd_check_fb,
+};
+
+static struct lcd_device *lcd_dev;
+#endif
+
+static irqreturn_t bfin_t350mcqb_irq_error(int irq, void *dev_id)
+{
+	/*struct bfin_t350mcqbfb_info *info = (struct bfin_t350mcqbfb_info *)dev_id;*/
+
+	u16 status = bfin_read_PPI_STATUS();
+	bfin_write_PPI_STATUS(0xFFFF);
+
+	if (status) {
+		bfin_t350mcqb_disable_ppi();
+		disable_dma(CH_PPI);
+
+		/* start dma */
+		enable_dma(CH_PPI);
+		bfin_t350mcqb_enable_ppi();
+		bfin_write_PPI_STATUS(0xFFFF);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int __init bfin_t350mcqb_probe(struct platform_device *pdev)
+{
+	struct bfin_t350mcqbfb_info *info;
+	struct fb_info *fbinfo;
+	int ret;
+
+	printk(KERN_INFO DRIVER_NAME ": %dx%d %d-bit RGB FrameBuffer initializing...\n",
+					 LCD_X_RES, LCD_Y_RES, LCD_BPP);
+
+	if (request_dma(CH_PPI, "CH_PPI") < 0) {
+		printk(KERN_ERR DRIVER_NAME
+		       ": couldn't request CH_PPI DMA\n");
+		ret = -EFAULT;
+		goto out1;
+	}
+
+	fbinfo =
+	    framebuffer_alloc(sizeof(struct bfin_t350mcqbfb_info), &pdev->dev);
+	if (!fbinfo) {
+		ret = -ENOMEM;
+		goto out2;
+	}
+
+	info = fbinfo->par;
+	info->fb = fbinfo;
+	info->dev = &pdev->dev;
+
+	platform_set_drvdata(pdev, fbinfo);
+
+	strcpy(fbinfo->fix.id, driver_name);
+
+	fbinfo->fix.type = FB_TYPE_PACKED_PIXELS;
+	fbinfo->fix.type_aux = 0;
+	fbinfo->fix.xpanstep = 0;
+	fbinfo->fix.ypanstep = 0;
+	fbinfo->fix.ywrapstep = 0;
+	fbinfo->fix.accel = FB_ACCEL_NONE;
+	fbinfo->fix.visual = FB_VISUAL_TRUECOLOR;
+
+	fbinfo->var.nonstd = 0;
+	fbinfo->var.activate = FB_ACTIVATE_NOW;
+	fbinfo->var.height = -1;
+	fbinfo->var.width = -1;
+	fbinfo->var.accel_flags = 0;
+	fbinfo->var.vmode = FB_VMODE_NONINTERLACED;
+
+	fbinfo->var.xres = LCD_X_RES;
+	fbinfo->var.xres_virtual = LCD_X_RES;
+	fbinfo->var.yres = LCD_Y_RES;
+	fbinfo->var.yres_virtual = LCD_Y_RES;
+	fbinfo->var.bits_per_pixel = LCD_BPP;
+
+	fbinfo->var.red.offset = 0;
+	fbinfo->var.green.offset = 8;
+	fbinfo->var.blue.offset = 16;
+	fbinfo->var.transp.offset = 0;
+	fbinfo->var.red.length = 8;
+	fbinfo->var.green.length = 8;
+	fbinfo->var.blue.length = 8;
+	fbinfo->var.transp.length = 0;
+	fbinfo->fix.smem_len = LCD_X_RES * LCD_Y_RES * LCD_BPP / 8;
+
+	fbinfo->fix.line_length = fbinfo->var.xres_virtual *
+	    fbinfo->var.bits_per_pixel / 8;
+
+
+	fbinfo->fbops = &bfin_t350mcqb_fb_ops;
+	fbinfo->flags = FBINFO_FLAG_DEFAULT;
+
+	info->fb_buffer =
+	    dma_alloc_coherent(NULL, fbinfo->fix.smem_len, &info->dma_handle,
+			       GFP_KERNEL);
+
+	if (NULL == info->fb_buffer) {
+		printk(KERN_ERR DRIVER_NAME
+		       ": couldn't allocate dma buffer.\n");
+		ret = -ENOMEM;
+		goto out3;
+	}
+
+	memset(info->fb_buffer, 0, fbinfo->fix.smem_len);
+
+	fbinfo->screen_base = (void *)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET;
+	fbinfo->fix.smem_start = (int)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET;
+
+	fbinfo->fbops = &bfin_t350mcqb_fb_ops;
+
+	fbinfo->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL);
+	if (!fbinfo->pseudo_palette) {
+		printk(KERN_ERR DRIVER_NAME
+		       "Fail to allocate pseudo_palette\n");
+
+		ret = -ENOMEM;
+		goto out4;
+	}
+
+	memset(fbinfo->pseudo_palette, 0, sizeof(u32) * 16);
+
+	if (fb_alloc_cmap(&fbinfo->cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0)
+	    < 0) {
+		printk(KERN_ERR DRIVER_NAME
+		       "Fail to allocate colormap (%d entries)\n",
+		       BFIN_LCD_NBR_PALETTE_ENTRIES);
+		ret = -EFAULT;
+		goto out5;
+	}
+
+	if (bfin_t350mcqb_request_ports(1)) {
+		printk(KERN_ERR DRIVER_NAME ": couldn't request gpio port.\n");
+		ret = -EFAULT;
+		goto out6;
+	}
+
+	info->irq = platform_get_irq(pdev, 0);
+	if (info->irq < 0) {
+		ret = -EINVAL;
+		goto out7;
+	}
+
+	if (request_irq(info->irq, (void *)bfin_t350mcqb_irq_error, IRQF_DISABLED,
+			"PPI ERROR", info) < 0) {
+		printk(KERN_ERR DRIVER_NAME
+		       ": unable to request PPI ERROR IRQ\n");
+		ret = -EFAULT;
+		goto out7;
+	}
+
+	if (register_framebuffer(fbinfo) < 0) {
+		printk(KERN_ERR DRIVER_NAME
+		       ": unable to register framebuffer.\n");
+		ret = -EINVAL;
+		goto out8;
+	}
+#ifndef NO_BL_SUPPORT
+	bl_dev =
+	    backlight_device_register("bf52x-bl", NULL, NULL,
+				      &bfin_lq043fb_bl_ops);
+	bl_dev->props.max_brightness = 255;
+
+	lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops);
+	lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n");
+#endif
+
+	return 0;
+
+out8:
+	free_irq(info->irq, info);
+out7:
+	bfin_t350mcqb_request_ports(0);
+out6:
+	fb_dealloc_cmap(&fbinfo->cmap);
+out5:
+	kfree(fbinfo->pseudo_palette);
+out4:
+	dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
+			  info->dma_handle);
+out3:
+	framebuffer_release(fbinfo);
+out2:
+	free_dma(CH_PPI);
+out1:
+	platform_set_drvdata(pdev, NULL);
+
+	return ret;
+}
+
+static int bfin_t350mcqb_remove(struct platform_device *pdev)
+{
+
+	struct fb_info *fbinfo = platform_get_drvdata(pdev);
+	struct bfin_t350mcqbfb_info *info = fbinfo->par;
+
+	free_dma(CH_PPI);
+	free_irq(info->irq, info);
+
+	if (info->fb_buffer != NULL)
+		dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
+				  info->dma_handle);
+
+	kfree(fbinfo->pseudo_palette);
+	fb_dealloc_cmap(&fbinfo->cmap);
+
+#ifndef NO_BL_SUPPORT
+	lcd_device_unregister(lcd_dev);
+	backlight_device_unregister(bl_dev);
+#endif
+
+	unregister_framebuffer(fbinfo);
+
+	bfin_t350mcqb_request_ports(0);
+
+	printk(KERN_INFO DRIVER_NAME ": Unregister LCD driver.\n");
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int bfin_t350mcqb_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct fb_info *fbinfo = platform_get_drvdata(pdev);
+	struct bfin_t350mcqbfb_info *info = fbinfo->par;
+
+	bfin_t350mcqb_disable_ppi();
+	disable_dma(CH_PPI);
+	bfin_write_PPI_STATUS(0xFFFF);
+
+	return 0;
+}
+
+static int bfin_t350mcqb_resume(struct platform_device *pdev)
+{
+	struct fb_info *fbinfo = platform_get_drvdata(pdev);
+	struct bfin_t350mcqbfb_info *info = fbinfo->par;
+
+	enable_dma(CH_PPI);
+	bfin_t350mcqb_enable_ppi();
+
+	return 0;
+}
+#else
+#define bfin_t350mcqb_suspend	NULL
+#define bfin_t350mcqb_resume	NULL
+#endif
+
+static struct platform_driver bfin_t350mcqb_driver = {
+	.probe = bfin_t350mcqb_probe,
+	.remove = bfin_t350mcqb_remove,
+	.suspend = bfin_t350mcqb_suspend,
+	.resume = bfin_t350mcqb_resume,
+	.driver = {
+		   .name = DRIVER_NAME,
+		   .owner = THIS_MODULE,
+		   },
+};
+
+static int __devinit bfin_t350mcqb_driver_init(void)
+{
+	return platform_driver_register(&bfin_t350mcqb_driver);
+}
+
+static void __exit bfin_t350mcqb_driver_cleanup(void)
+{
+	platform_driver_unregister(&bfin_t350mcqb_driver);
+}
+
+MODULE_DESCRIPTION("Blackfin TFT LCD Driver");
+MODULE_LICENSE("GPL");
+
+module_init(bfin_t350mcqb_driver_init);
+module_exit(bfin_t350mcqb_driver_cleanup);

drivers/video/mbx/mbxfb.c

@@ -889,7 +889,7 @@ static int __devinit mbxfb_probe(struct platform_device *dev)
 	struct mbxfb_info *mfbi;
 	struct mbxfb_platform_data *pdata;
 
-	dev_dbg(dev, "mbxfb_probe\n");
+	dev_dbg(&dev->dev, "mbxfb_probe\n");
 
 	pdata = dev->dev.platform_data;
 	if (!pdata) {

drivers/video/stifb.c

@@ -505,16 +505,24 @@ ngleSetupAttrPlanes(struct stifb_info *fb, int BufferNumber)
 static void
 rattlerSetupPlanes(struct stifb_info *fb)
 {
+	int saved_id, y;
+
+ 	/* Write RAMDAC pixel read mask register so all overlay
+	 * planes are display-enabled.  (CRX24 uses Bt462 pixel
+	 * read mask register for overlay planes, not image planes).
+	 */
 	CRX24_SETUP_RAMDAC(fb);
     
-	/* replacement for: SETUP_FB(fb, CRX24_OVERLAY_PLANES); */
-	WRITE_WORD(0x83000300, fb, REG_14);
-	SETUP_HW(fb);
-	WRITE_BYTE(1, fb, REG_16b1);
+	/* change fb->id temporarily to fool SETUP_FB() */
+	saved_id = fb->id;
+	fb->id = CRX24_OVERLAY_PLANES;
+	SETUP_FB(fb);
+	fb->id = saved_id;
+
+	for (y = 0; y < fb->info.var.yres; ++y)
+		memset(fb->info.screen_base + y * fb->info.fix.line_length,
+			0xff, fb->info.var.xres * fb->info.var.bits_per_pixel/8);
 
-	fb_memset((void*)fb->info.fix.smem_start, 0xff,
-		fb->info.var.yres*fb->info.fix.line_length);
-    
 	CRX24_SET_OVLY_MASK(fb);
 	SETUP_FB(fb);
 }

drivers/video/tridentfb.c

@@ -566,44 +566,32 @@ static inline void write3CE(int reg, unsigned char val)
 
 static void enable_mmio(void)
 {
-	unsigned char tmp;
-
 	/* Goto New Mode */
 	outb(0x0B, 0x3C4);
 	inb(0x3C5);
 
 	/* Unprotect registers */
 	outb(NewMode1, 0x3C4);
-	tmp = inb(0x3C5);
 	outb(0x80, 0x3C5);
 
 	/* Enable MMIO */
 	outb(PCIReg, 0x3D4);
 	outb(inb(0x3D5) | 0x01, 0x3D5);
-
-	t_outb(NewMode1, 0x3C4);
-	t_outb(tmp, 0x3C5);
 }
 
 static void disable_mmio(void)
 {
-	unsigned char tmp;
-
 	/* Goto New Mode */
 	t_outb(0x0B, 0x3C4);
 	t_inb(0x3C5);
 
 	/* Unprotect registers */
 	t_outb(NewMode1, 0x3C4);
-	tmp = t_inb(0x3C5);
 	t_outb(0x80, 0x3C5);
 
 	/* Disable MMIO */
 	t_outb(PCIReg, 0x3D4);
 	t_outb(t_inb(0x3D5) & ~0x01, 0x3D5);
-
-	outb(NewMode1, 0x3C4);
-	outb(tmp, 0x3C5);
 }
 
 #define crtc_unlock()	write3X4(CRTVSyncEnd, read3X4(CRTVSyncEnd) & 0x7F)
@@ -757,7 +745,7 @@ static unsigned int __devinit get_memsize(void)
 			switch (tmp) {
 
 			case 0x01:
-				k = 512;
+				k = 512 * Kb;
 				break;
 			case 0x02:
 				k = 6 * Mb;	/* XP */

drivers/watchdog/cpu5wdt.c

@@ -59,9 +59,9 @@ static int ticks = 10000;
 
 static struct {
 	struct completion stop;
-	volatile int running;
+	int running;
 	struct timer_list timer;
-	volatile int queue;
+	int queue;
 	int default_ticks;
 	unsigned long inuse;
 } cpu5wdt_device;

drivers/watchdog/hpwdt.c

@@ -58,41 +58,6 @@ struct bios32_service_dir {
 	u8 reserved[5];
 };
 
-/*
- * smbios_entry_point     - defines SMBIOS entry point structure
- *
- * anchor[4]              - anchor string (_SM_)
- * checksum               - checksum of the entry point structure
- * length                 - length of the entry point structure
- * major_ver              - major version (02h for revision 2.1)
- * minor_ver              - minor version (01h for revision 2.1)
- * max_struct_size        - size of the largest SMBIOS structure
- * revision               - entry point structure revision implemented
- * formatted_area[5]      - reserved
- * intermediate_anchor[5] - intermediate anchor string (_DMI_)
- * intermediate_checksum  - intermediate checksum
- * table_length           - structure table length
- * table_address          - structure table address
- * table_num_structs      - number of SMBIOS structures present
- * bcd_revision           - BCD revision
- */
-struct smbios_entry_point {
-	u8 anchor[4];
-	u8 checksum;
-	u8 length;
-	u8 major_ver;
-	u8 minor_ver;
-	u16 max_struct_size;
-	u8 revision;
-	u8 formatted_area[5];
-	u8 intermediate_anchor[5];
-	u8 intermediate_checksum;
-	u16 table_length;
-	u64 table_address;
-	u16 table_num_structs;
-	u8 bcd_revision;
-};
-
 /* type 212 */
 struct smbios_cru64_info {
 	u8 type;
@@ -175,31 +140,13 @@ static struct pci_device_id hpwdt_devices[] = {
 };
 MODULE_DEVICE_TABLE(pci, hpwdt_devices);
 
-/*
- *	bios_checksum
- */
-static int __devinit bios_checksum(const char __iomem *ptr, int len)
-{
-	char sum = 0;
-	int i;
-
-	/*
-	 * calculate checksum of size bytes. This should add up
-	 * to zero if we have a valid header.
-	 */
-	for (i = 0; i < len; i++)
-		sum += ptr[i];
-
-	return ((sum == 0) && (len > 0));
-}
-
 #ifndef CONFIG_X86_64
 /* --32 Bit Bios------------------------------------------------------------ */
 
 #define HPWDT_ARCH	32
 
-asmlinkage void asminline_call(struct cmn_registers *pi86Regs,
-			       unsigned long *pRomEntry)
+static void asminline_call(struct cmn_registers *pi86Regs,
+			   unsigned long *pRomEntry)
 {
 	asm("pushl       %ebp               \n\t"
 	    "movl        %esp, %ebp         \n\t"
@@ -302,6 +249,24 @@ static int __devinit cru_detect(unsigned long map_entry,
 	return retval;
 }
 
+/*
+ *	bios_checksum
+ */
+static int __devinit bios_checksum(const char __iomem *ptr, int len)
+{
+	char sum = 0;
+	int i;
+
+	/*
+	 * calculate checksum of size bytes. This should add up
+	 * to zero if we have a valid header.
+	 */
+	for (i = 0; i < len; i++)
+		sum += ptr[i];
+
+	return ((sum == 0) && (len > 0));
+}
+
 /*
  *	bios32_present
  *
@@ -368,8 +333,8 @@ static int __devinit detect_cru_service(void)
 
 #define HPWDT_ARCH	64
 
-asmlinkage void asminline_call(struct cmn_registers *pi86Regs,
-			       unsigned long *pRomEntry)
+static void asminline_call(struct cmn_registers *pi86Regs,
+			   unsigned long *pRomEntry)
 {
 	asm("pushq      %rbp            \n\t"
 	    "movq       %rsp, %rbp      \n\t"
@@ -410,12 +375,8 @@ asmlinkage void asminline_call(struct cmn_registers *pi86Regs,
  *	dmi_find_cru
  *
  *	Routine Description:
- *	This function checks wether or not a SMBIOS/DMI record is
+ *	This function checks whether or not a SMBIOS/DMI record is
  *	the 64bit CRU info or not
- *
- *	Return Value:
- *	0        :  SUCCESS - if record found
- *	<0       :  FAILURE - if record not found
  */
 static void __devinit dmi_find_cru(const struct dmi_header *dm)
 {
@@ -434,138 +395,11 @@ static void __devinit dmi_find_cru(const struct dmi_header *dm)
 	}
 }
 
-/*
- *	dmi_table
- *
- *	Routine Description:
- *	Decode the SMBIOS/DMI table and check if we have a 64bit CRU record
- *	or not.
- *
- *	We have to be cautious here. We have seen BIOSes with DMI pointers
- *	pointing to completely the wrong place for example
- */
-static void __devinit dmi_table(u8 *buf, int len, int num,
-		      void (*decode)(const struct dmi_header *))
-{
-	u8 *data = buf;
-	int i = 0;
-
-	/*
-	 *	Stop when we see all the items the table claimed to have
-	 *	OR we run off the end of the table (also happens)
-	 */
-	while ((i < num) && (data - buf + sizeof(struct dmi_header)) <= len) {
-		const struct dmi_header *dm = (const struct dmi_header *)data;
-
-		/*
-		 *  We want to know the total length (formated area and strings)
-		 *  before decoding to make sure we won't run off the table in
-		 *  dmi_decode or dmi_string
-		 */
-		data += dm->length;
-		while ((data - buf < len - 1) && (data[0] || data[1]))
-			data++;
-		if (data - buf < len - 1)
-			decode(dm);
-		data += 2;
-		i++;
-	}
-}
-
-/*
- *	smbios_present
- *
- *	Routine Description:
- *	This function parses the SMBIOS entry point table to retrieve
- *	the 64 bit CRU Service.
- *
- *	Return Value:
- *	0        :  SUCCESS
- *	<0       :  FAILURE
- */
-static int __devinit smbios_present(const char __iomem *p)
-{
-	struct smbios_entry_point *eps =
-		(struct smbios_entry_point *) p;
-	int length;
-	u8 *buf;
-
-	/* check if we have indeed the SMBIOS table entry point */
-	if ((strncmp((char *)eps->anchor, "_SM_",
-			     sizeof(eps->anchor))) == 0) {
-		length = eps->length;
-
-		/* SMBIOS v2.1 implementation might use 0x1e */
-		if ((length == 0x1e) &&
-		    (eps->major_ver == 2) &&
-		    (eps->minor_ver == 1))
-			length = 0x1f;
-
-		/*
-		 * Now we will check:
-		 * - SMBIOS checksum must be 0
-		 * - intermediate anchor should be _DMI_
-		 * - intermediate checksum should be 0
-		 */
-		if ((bios_checksum(p, length)) &&
-		    (strncmp((char *)eps->intermediate_anchor, "_DMI_",
-		             sizeof(eps->intermediate_anchor)) == 0) &&
-		    (bios_checksum(p+0x10, 15))) {
-			buf = ioremap(eps->table_address, eps->table_length);
-			if (buf == NULL)
-				return -ENODEV;
-
-
-			/* Scan the DMI table for the 64 bit CRU service */
-			dmi_table(buf, eps->table_length,
-			          eps->table_num_structs, dmi_find_cru);
-
-			iounmap(buf);
-			return 0;
-		}
-	}
-
-	return -ENODEV;
-}
-
-static int __devinit smbios_scan_machine(void)
-{
-	char __iomem *p, *q;
-	int rc;
-
-	if (efi_enabled) {
-		if (efi.smbios == EFI_INVALID_TABLE_ADDR)
-			return -ENODEV;
-
-		p = ioremap(efi.smbios, 32);
-		if (p == NULL)
-			return -ENOMEM;
-
-		rc = smbios_present(p);
-		iounmap(p);
-	} else {
-		/*
-		 * Search from 0x0f0000 through 0x0fffff, inclusive.
-		 */
-		p = ioremap(PCI_ROM_BASE1, ROM_SIZE);
-		if (p == NULL)
-			return -ENOMEM;
-
-		for (q = p; q < p + ROM_SIZE; q += 16) {
-			rc = smbios_present(q);
-			if (!rc) {
-				break;
-			}
-		}
-		iounmap(p);
-	}
-}
-
 static int __devinit detect_cru_service(void)
 {
 	cru_rom_addr = NULL;
 
-	smbios_scan_machine();	/* will become dmi_walk(dmi_find_cru); */
+	dmi_walk(dmi_find_cru);
 
 	/* if cru_rom_addr has been set then we found a CRU service */
 	return ((cru_rom_addr != NULL)? 0: -ENODEV);

drivers/watchdog/it8712f_wdt.c

@@ -7,7 +7,8 @@
  *
  *	drivers/char/watchdog/scx200_wdt.c
  *	drivers/hwmon/it87.c
- *	IT8712F EC-LPC I/O Preliminary Specification 0.9.2.pdf
+ *	IT8712F EC-LPC I/O Preliminary Specification 0.8.2
+ *	IT8712F EC-LPC I/O Preliminary Specification 0.9.3
  *
  *	This program is free software; you can redistribute it and/or
  *	modify it under the terms of the GNU General Public License as
@@ -40,6 +41,7 @@ MODULE_DESCRIPTION("IT8712F Watchdog Driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
+static int max_units = 255;
 static int margin = 60;		/* in seconds */
 module_param(margin, int, 0);
 MODULE_PARM_DESC(margin, "Watchdog margin in seconds");
@@ -51,6 +53,7 @@ MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close");
 static struct semaphore it8712f_wdt_sem;
 static unsigned expect_close;
 static spinlock_t io_lock;
+static unsigned char revision;
 
 /* Dog Food address - We use the game port address */
 static unsigned short address;
@@ -108,6 +111,15 @@ superio_inw(int reg)
 	return val;
 }
 
+static void
+superio_outw(int val, int reg)
+{
+	outb(reg++, REG);
+	outb((val >> 8) & 0xff, VAL);
+	outb(reg, REG);
+	outb(val & 0xff, VAL);
+}
+
 static inline void
 superio_select(int ldn)
 {
@@ -143,15 +155,33 @@ static void
 it8712f_wdt_update_margin(void)
 {
 	int config = WDT_OUT_KRST | WDT_OUT_PWROK;
-
-	printk(KERN_INFO NAME ": timer margin %d seconds\n", margin);
-
-	/* The timeout register only has 8bits wide */
-	if (margin < 256)
-		config |= WDT_UNIT_SEC;	/* else UNIT are MINUTES */
+	int units = margin;
+
+	/* Switch to minutes precision if the configured margin
+	 * value does not fit within the register width.
+	 */
+	if (units <= max_units) {
+		config |= WDT_UNIT_SEC; /* else UNIT is MINUTES */
+		printk(KERN_INFO NAME ": timer margin %d seconds\n", units);
+	} else {
+		units /= 60;
+		printk(KERN_INFO NAME ": timer margin %d minutes\n", units);
+	}
 	superio_outb(config, WDT_CONFIG);
 
-	superio_outb((margin > 255) ? (margin / 60) : margin, WDT_TIMEOUT);
+	if (revision >= 0x08)
+		superio_outw(units, WDT_TIMEOUT);
+	else
+		superio_outb(units, WDT_TIMEOUT);
+}
+
+static int
+it8712f_wdt_get_status(void)
+{
+	if (superio_inb(WDT_CONTROL) & 0x01)
+		return WDIOF_CARDRESET;
+	else
+		return 0;
 }
 
 static void
@@ -234,7 +264,7 @@ it8712f_wdt_ioctl(struct inode *inode, struct file *file,
 		.firmware_version = 1,
 		.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
 	};
-	int new_margin;
+	int value;
 
 	switch (cmd) {
 	default:
@@ -244,17 +274,27 @@ it8712f_wdt_ioctl(struct inode *inode, struct file *file,
 			return -EFAULT;
 		return 0;
 	case WDIOC_GETSTATUS:
+		superio_enter();
+		superio_select(LDN_GPIO);
+
+		value = it8712f_wdt_get_status();
+
+		superio_exit();
+
+		return put_user(value, p);
 	case WDIOC_GETBOOTSTATUS:
 		return put_user(0, p);
 	case WDIOC_KEEPALIVE:
 		it8712f_wdt_ping();
 		return 0;
 	case WDIOC_SETTIMEOUT:
-		if (get_user(new_margin, p))
+		if (get_user(value, p))
 			return -EFAULT;
-		if (new_margin < 1)
+		if (value < 1)
+			return -EINVAL;
+		if (value > (max_units * 60))
 			return -EINVAL;
-		margin = new_margin;
+		margin = value;
 		superio_enter();
 		superio_select(LDN_GPIO);
 
@@ -262,6 +302,7 @@ it8712f_wdt_ioctl(struct inode *inode, struct file *file,
 
 		superio_exit();
 		it8712f_wdt_ping();
+		/* Fall through */
 	case WDIOC_GETTIMEOUT:
 		if (put_user(margin, p))
 			return -EFAULT;
@@ -336,9 +377,18 @@ it8712f_wdt_find(unsigned short *address)
 	}
 
 	err = 0;
-	printk(KERN_DEBUG NAME ": Found IT%04xF chip revision %d - "
+	revision = superio_inb(DEVREV) & 0x0f;
+
+	/* Later revisions have 16-bit values per datasheet 0.9.1 */
+	if (revision >= 0x08)
+		max_units = 65535;
+
+	if (margin > (max_units * 60))
+		margin = (max_units * 60);
+
+	printk(KERN_INFO NAME ": Found IT%04xF chip revision %d - "
 		"using DogFood address 0x%x\n",
-		chip_type, superio_inb(DEVREV) & 0x0f, *address);
+		chip_type, revision, *address);
 
 exit:
 	superio_exit();

drivers/watchdog/machzwd.c

@@ -141,7 +141,7 @@ static unsigned long next_heartbeat = 0;
 #ifndef ZF_DEBUG
 #	define dprintk(format, args...)
 #else
-#	define dprintk(format, args...) printk(KERN_DEBUG PFX ":%s:%d: " format, __FUNCTION__, __LINE__ , ## args)
+#	define dprintk(format, args...) printk(KERN_DEBUG PFX ":%s:%d: " format, __func__, __LINE__ , ## args)
 #endif
 
 

drivers/watchdog/mtx-1_wdt.c

@@ -59,9 +59,9 @@ static int ticks = 100 * HZ;
 
 static struct {
 	struct completion stop;
-	volatile int running;
+	int running;
 	struct timer_list timer;
-	volatile int queue;
+	int queue;
 	int default_ticks;
 	unsigned long inuse;
 	unsigned gpio;

drivers/watchdog/pcwd_usb.c

@@ -179,11 +179,11 @@ static void usb_pcwd_intr_done(struct urb *urb)
 	case -ENOENT:
 	case -ESHUTDOWN:
 		/* this urb is terminated, clean up */
-		dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
+		dbg("%s - urb shutting down with status: %d", __func__, urb->status);
 		return;
 	/* -EPIPE:  should clear the halt */
 	default:		/* error */
-		dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
+		dbg("%s - nonzero urb status received: %d", __func__, urb->status);
 		goto resubmit;
 	}
 

drivers/watchdog/s3c2410_wdt.c

@@ -144,7 +144,7 @@ static int s3c2410wdt_start(void)
 	}
 
 	DBG("%s: wdt_count=0x%08x, wtcon=%08lx\n",
-	    __FUNCTION__, wdt_count, wtcon);
+	    __func__, wdt_count, wtcon);
 
 	writel(wdt_count, wdt_base + S3C2410_WTDAT);
 	writel(wdt_count, wdt_base + S3C2410_WTCNT);
@@ -167,7 +167,7 @@ static int s3c2410wdt_set_heartbeat(int timeout)
 	count = timeout * freq;
 
 	DBG("%s: count=%d, timeout=%d, freq=%d\n",
-	    __FUNCTION__, count, timeout, freq);
+	    __func__, count, timeout, freq);
 
 	/* if the count is bigger than the watchdog register,
 	   then work out what we need to do (and if) we can
@@ -189,7 +189,7 @@ static int s3c2410wdt_set_heartbeat(int timeout)
 	tmr_margin = timeout;
 
 	DBG("%s: timeout=%d, divisor=%d, count=%d (%08x)\n",
-	    __FUNCTION__, timeout, divisor, count, count/divisor);
+	    __func__, timeout, divisor, count, count/divisor);
 
 	count /= divisor;
 	wdt_count = count;
@@ -355,7 +355,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 	int ret;
 	int size;
 
-	DBG("%s: probe=%p\n", __FUNCTION__, pdev);
+	DBG("%s: probe=%p\n", __func__, pdev);
 
 	dev = &pdev->dev;
 	wdt_dev = &pdev->dev;

drivers/watchdog/shwdt.c

@@ -298,7 +298,7 @@ static int sh_wdt_mmap(struct file *file, struct vm_area_struct *vma)
 	if (io_remap_pfn_range(vma, vma->vm_start, addr >> PAGE_SHIFT,
 			       PAGE_SIZE, vma->vm_page_prot)) {
 		printk(KERN_ERR PFX "%s: io_remap_pfn_range failed\n",
-		       __FUNCTION__);
+		       __func__);
 		return -EAGAIN;
 	}
 

fs/ocfs2/cluster/tcp.c

@@ -451,9 +451,9 @@ static void o2net_set_nn_state(struct o2net_node *nn,
 		/* delay if we're withing a RECONNECT_DELAY of the
 		 * last attempt */
 		delay = (nn->nn_last_connect_attempt +
-			 msecs_to_jiffies(o2net_reconnect_delay(sc->sc_node)))
+			 msecs_to_jiffies(o2net_reconnect_delay(NULL)))
 			- jiffies;
-		if (delay > msecs_to_jiffies(o2net_reconnect_delay(sc->sc_node)))
+		if (delay > msecs_to_jiffies(o2net_reconnect_delay(NULL)))
 			delay = 0;
 		mlog(ML_CONN, "queueing conn attempt in %lu jiffies\n", delay);
 		queue_delayed_work(o2net_wq, &nn->nn_connect_work, delay);
@@ -1552,12 +1552,11 @@ static void o2net_connect_expired(struct work_struct *work)
 
 	spin_lock(&nn->nn_lock);
 	if (!nn->nn_sc_valid) {
-		struct o2nm_node *node = nn->nn_sc->sc_node;
 		mlog(ML_ERROR, "no connection established with node %u after "
 		     "%u.%u seconds, giving up and returning errors.\n",
 		     o2net_num_from_nn(nn),
-		     o2net_idle_timeout(node) / 1000,
-		     o2net_idle_timeout(node) % 1000);
+		     o2net_idle_timeout(NULL) / 1000,
+		     o2net_idle_timeout(NULL) % 1000);
 
 		o2net_set_nn_state(nn, NULL, 0, -ENOTCONN);
 	}

fs/ocfs2/dlm/dlmcommon.h

@@ -176,6 +176,7 @@ struct dlm_mig_lockres_priv
 {
 	struct dlm_lock_resource *lockres;
 	u8 real_master;
+	u8 extra_ref;
 };
 
 struct dlm_assert_master_priv
@@ -602,17 +603,19 @@ enum dlm_query_join_response_code {
 	JOIN_PROTOCOL_MISMATCH,
 };
 
+struct dlm_query_join_packet {
+	u8 code;	/* Response code.  dlm_minor and fs_minor
+			   are only valid if this is JOIN_OK */
+	u8 dlm_minor;	/* The minor version of the protocol the
+			   dlm is speaking. */
+	u8 fs_minor;	/* The minor version of the protocol the
+			   filesystem is speaking. */
+	u8 reserved;
+};
+
 union dlm_query_join_response {
 	u32 intval;
-	struct {
-		u8 code;	/* Response code.  dlm_minor and fs_minor
-				   are only valid if this is JOIN_OK */
-		u8 dlm_minor;	/* The minor version of the protocol the
-				   dlm is speaking. */
-		u8 fs_minor;	/* The minor version of the protocol the
-				   filesystem is speaking. */
-		u8 reserved;
-	} packet;
+	struct dlm_query_join_packet packet;
 };
 
 struct dlm_lock_request

fs/ocfs2/dlm/dlmconvert.c

@@ -487,7 +487,7 @@ int dlm_convert_lock_handler(struct o2net_msg *msg, u32 len, void *data,
 			       "cookie=%u:%llu\n",
 		     dlm_get_lock_cookie_node(be64_to_cpu(cnv->cookie)),
 		     dlm_get_lock_cookie_seq(be64_to_cpu(cnv->cookie)));
-		__dlm_print_one_lock_resource(res);
+		dlm_print_one_lock_resource(res);
 		goto leave;
 	}
 

fs/ocfs2/dlm/dlmdomain.c

@@ -713,14 +713,46 @@ static int dlm_query_join_proto_check(char *proto_type, int node,
 	return rc;
 }
 
+/*
+ * struct dlm_query_join_packet is made up of four one-byte fields.  They
+ * are effectively in big-endian order already.  However, little-endian
+ * machines swap them before putting the packet on the wire (because
+ * query_join's response is a status, and that status is treated as a u32
+ * on the wire).  Thus, a big-endian and little-endian machines will treat
+ * this structure differently.
+ *
+ * The solution is to have little-endian machines swap the structure when
+ * converting from the structure to the u32 representation.  This will
+ * result in the structure having the correct format on the wire no matter
+ * the host endian format.
+ */
+static void dlm_query_join_packet_to_wire(struct dlm_query_join_packet *packet,
+					  u32 *wire)
+{
+	union dlm_query_join_response response;
+
+	response.packet = *packet;
+	*wire = cpu_to_be32(response.intval);
+}
+
+static void dlm_query_join_wire_to_packet(u32 wire,
+					  struct dlm_query_join_packet *packet)
+{
+	union dlm_query_join_response response;
+
+	response.intval = cpu_to_be32(wire);
+	*packet = response.packet;
+}
+
 static int dlm_query_join_handler(struct o2net_msg *msg, u32 len, void *data,
 				  void **ret_data)
 {
 	struct dlm_query_join_request *query;
-	union dlm_query_join_response response = {
-		.packet.code = JOIN_DISALLOW,
+	struct dlm_query_join_packet packet = {
+		.code = JOIN_DISALLOW,
 	};
 	struct dlm_ctxt *dlm = NULL;
+	u32 response;
 	u8 nodenum;
 
 	query = (struct dlm_query_join_request *) msg->buf;
@@ -737,11 +769,11 @@ static int dlm_query_join_handler(struct o2net_msg *msg, u32 len, void *data,
 		mlog(0, "node %u is not in our live map yet\n",
 		     query->node_idx);
 
-		response.packet.code = JOIN_DISALLOW;
+		packet.code = JOIN_DISALLOW;
 		goto respond;
 	}
 
-	response.packet.code = JOIN_OK_NO_MAP;
+	packet.code = JOIN_OK_NO_MAP;
 
 	spin_lock(&dlm_domain_lock);
 	dlm = __dlm_lookup_domain_full(query->domain, query->name_len);
@@ -760,7 +792,7 @@ static int dlm_query_join_handler(struct o2net_msg *msg, u32 len, void *data,
 				mlog(0, "disallow join as node %u does not "
 				     "have node %u in its nodemap\n",
 				     query->node_idx, nodenum);
-				response.packet.code = JOIN_DISALLOW;
+				packet.code = JOIN_DISALLOW;
 				goto unlock_respond;
 			}
 		}
@@ -780,23 +812,23 @@ static int dlm_query_join_handler(struct o2net_msg *msg, u32 len, void *data,
 			/*If this is a brand new context and we
 			 * haven't started our join process yet, then
 			 * the other node won the race. */
-			response.packet.code = JOIN_OK_NO_MAP;
+			packet.code = JOIN_OK_NO_MAP;
 		} else if (dlm->joining_node != DLM_LOCK_RES_OWNER_UNKNOWN) {
 			/* Disallow parallel joins. */
-			response.packet.code = JOIN_DISALLOW;
+			packet.code = JOIN_DISALLOW;
 		} else if (dlm->reco.state & DLM_RECO_STATE_ACTIVE) {
 			mlog(0, "node %u trying to join, but recovery "
 			     "is ongoing.\n", bit);
-			response.packet.code = JOIN_DISALLOW;
+			packet.code = JOIN_DISALLOW;
 		} else if (test_bit(bit, dlm->recovery_map)) {
 			mlog(0, "node %u trying to join, but it "
 			     "still needs recovery.\n", bit);
-			response.packet.code = JOIN_DISALLOW;
+			packet.code = JOIN_DISALLOW;
 		} else if (test_bit(bit, dlm->domain_map)) {
 			mlog(0, "node %u trying to join, but it "
 			     "is still in the domain! needs recovery?\n",
 			     bit);
-			response.packet.code = JOIN_DISALLOW;
+			packet.code = JOIN_DISALLOW;
 		} else {
 			/* Alright we're fully a part of this domain
 			 * so we keep some state as to who's joining
@@ -807,19 +839,15 @@ static int dlm_query_join_handler(struct o2net_msg *msg, u32 len, void *data,
 			if (dlm_query_join_proto_check("DLM", bit,
 						       &dlm->dlm_locking_proto,
 						       &query->dlm_proto)) {
-				response.packet.code =
-					JOIN_PROTOCOL_MISMATCH;
+				packet.code = JOIN_PROTOCOL_MISMATCH;
 			} else if (dlm_query_join_proto_check("fs", bit,
 							      &dlm->fs_locking_proto,
 							      &query->fs_proto)) {
-				response.packet.code =
-					JOIN_PROTOCOL_MISMATCH;
+				packet.code = JOIN_PROTOCOL_MISMATCH;
 			} else {
-				response.packet.dlm_minor =
-					query->dlm_proto.pv_minor;
-				response.packet.fs_minor =
-					query->fs_proto.pv_minor;
-				response.packet.code = JOIN_OK;
+				packet.dlm_minor = query->dlm_proto.pv_minor;
+				packet.fs_minor = query->fs_proto.pv_minor;
+				packet.code = JOIN_OK;
 				__dlm_set_joining_node(dlm, query->node_idx);
 			}
 		}
@@ -830,9 +858,10 @@ unlock_respond:
 	spin_unlock(&dlm_domain_lock);
 
 respond:
-	mlog(0, "We respond with %u\n", response.packet.code);
+	mlog(0, "We respond with %u\n", packet.code);
 
-	return response.intval;
+	dlm_query_join_packet_to_wire(&packet, &response);
+	return response;
 }
 
 static int dlm_assert_joined_handler(struct o2net_msg *msg, u32 len, void *data,
@@ -937,7 +966,7 @@ static int dlm_send_join_cancels(struct dlm_ctxt *dlm,
 			 sizeof(unsigned long))) {
 		mlog(ML_ERROR,
 		     "map_size %u != BITS_TO_LONGS(O2NM_MAX_NODES) %u\n",
-		     map_size, BITS_TO_LONGS(O2NM_MAX_NODES));
+		     map_size, (unsigned)BITS_TO_LONGS(O2NM_MAX_NODES));
 		return -EINVAL;
 	}
 
@@ -968,7 +997,8 @@ static int dlm_request_join(struct dlm_ctxt *dlm,
 {
 	int status;
 	struct dlm_query_join_request join_msg;
-	union dlm_query_join_response join_resp;
+	struct dlm_query_join_packet packet;
+	u32 join_resp;
 
 	mlog(0, "querying node %d\n", node);
 
@@ -984,11 +1014,12 @@ static int dlm_request_join(struct dlm_ctxt *dlm,
 
 	status = o2net_send_message(DLM_QUERY_JOIN_MSG, DLM_MOD_KEY, &join_msg,
 				    sizeof(join_msg), node,
-				    &join_resp.intval);
+				    &join_resp);
 	if (status < 0 && status != -ENOPROTOOPT) {
 		mlog_errno(status);
 		goto bail;
 	}
+	dlm_query_join_wire_to_packet(join_resp, &packet);
 
 	/* -ENOPROTOOPT from the net code means the other side isn't
 	    listening for our message type -- that's fine, it means
@@ -997,10 +1028,10 @@ static int dlm_request_join(struct dlm_ctxt *dlm,
 	if (status == -ENOPROTOOPT) {
 		status = 0;
 		*response = JOIN_OK_NO_MAP;
-	} else if (join_resp.packet.code == JOIN_DISALLOW ||
-		   join_resp.packet.code == JOIN_OK_NO_MAP) {
-		*response = join_resp.packet.code;
-	} else if (join_resp.packet.code == JOIN_PROTOCOL_MISMATCH) {
+	} else if (packet.code == JOIN_DISALLOW ||
+		   packet.code == JOIN_OK_NO_MAP) {
+		*response = packet.code;
+	} else if (packet.code == JOIN_PROTOCOL_MISMATCH) {
 		mlog(ML_NOTICE,
 		     "This node requested DLM locking protocol %u.%u and "
 		     "filesystem locking protocol %u.%u.  At least one of "
@@ -1012,14 +1043,12 @@ static int dlm_request_join(struct dlm_ctxt *dlm,
 		     dlm->fs_locking_proto.pv_minor,
 		     node);
 		status = -EPROTO;
-		*response = join_resp.packet.code;
-	} else if (join_resp.packet.code == JOIN_OK) {
-		*response = join_resp.packet.code;
+		*response = packet.code;
+	} else if (packet.code == JOIN_OK) {
+		*response = packet.code;
 		/* Use the same locking protocol as the remote node */
-		dlm->dlm_locking_proto.pv_minor =
-			join_resp.packet.dlm_minor;
-		dlm->fs_locking_proto.pv_minor =
-			join_resp.packet.fs_minor;
+		dlm->dlm_locking_proto.pv_minor = packet.dlm_minor;
+		dlm->fs_locking_proto.pv_minor = packet.fs_minor;
 		mlog(0,
 		     "Node %d responds JOIN_OK with DLM locking protocol "
 		     "%u.%u and fs locking protocol %u.%u\n",
@@ -1031,11 +1060,11 @@ static int dlm_request_join(struct dlm_ctxt *dlm,
 	} else {
 		status = -EINVAL;
 		mlog(ML_ERROR, "invalid response %d from node %u\n",
-		     join_resp.packet.code, node);
+		     packet.code, node);
 	}
 
 	mlog(0, "status %d, node %d response is %d\n", status, node,
-		  *response);
+	     *response);
 
 bail:
 	return status;

fs/ocfs2/dlm/dlmmaster.c

@@ -1663,7 +1663,12 @@ way_up_top:
 		dlm_put_mle(tmpmle);
 	}
 send_response:
-
+	/*
+	 * __dlm_lookup_lockres() grabbed a reference to this lockres.
+	 * The reference is released by dlm_assert_master_worker() under
+	 * the call to dlm_dispatch_assert_master().  If
+	 * dlm_assert_master_worker() isn't called, we drop it here.
+	 */
 	if (dispatch_assert) {
 		if (response != DLM_MASTER_RESP_YES)
 			mlog(ML_ERROR, "invalid response %d\n", response);
@@ -1678,7 +1683,11 @@ send_response:
 		if (ret < 0) {
 			mlog(ML_ERROR, "failed to dispatch assert master work\n");
 			response = DLM_MASTER_RESP_ERROR;
+			dlm_lockres_put(res);
 		}
+	} else {
+		if (res)
+			dlm_lockres_put(res);
 	}
 
 	dlm_put(dlm);
@@ -2348,7 +2357,7 @@ int dlm_deref_lockres_handler(struct o2net_msg *msg, u32 len, void *data,
 			mlog(ML_ERROR, "%s:%.*s: node %u trying to drop ref "
 		     	"but it is already dropped!\n", dlm->name,
 		     	res->lockname.len, res->lockname.name, node);
-			__dlm_print_one_lock_resource(res);
+			dlm_print_one_lock_resource(res);
 		}
 		ret = 0;
 		goto done;
@@ -2408,7 +2417,7 @@ static void dlm_deref_lockres_worker(struct dlm_work_item *item, void *data)
 		mlog(ML_ERROR, "%s:%.*s: node %u trying to drop ref "
 		     "but it is already dropped!\n", dlm->name,
 		     res->lockname.len, res->lockname.name, node);
-		__dlm_print_one_lock_resource(res);
+		dlm_print_one_lock_resource(res);
 	}
 
 	dlm_lockres_put(res);
@@ -2933,6 +2942,9 @@ static void dlm_remove_nonlocal_locks(struct dlm_ctxt *dlm,
 				dlm_lockres_clear_refmap_bit(lock->ml.node, res);
 				list_del_init(&lock->list);
 				dlm_lock_put(lock);
+				/* In a normal unlock, we would have added a
+				 * DLM_UNLOCK_FREE_LOCK action. Force it. */
+				dlm_lock_put(lock);
 			}
 		}
 		queue++;

fs/ocfs2/dlm/dlmrecovery.c

@@ -519,9 +519,9 @@ static int dlm_do_recovery(struct dlm_ctxt *dlm)
 	return 0;
 
 master_here:
-	mlog(0, "(%d) mastering recovery of %s:%u here(this=%u)!\n",
-	     task_pid_nr(dlm->dlm_reco_thread_task),
-	     dlm->name, dlm->reco.dead_node, dlm->node_num);
+	mlog(ML_NOTICE, "(%d) Node %u is the Recovery Master for the Dead Node "
+	     "%u for Domain %s\n", task_pid_nr(dlm->dlm_reco_thread_task),
+	     dlm->node_num, dlm->reco.dead_node, dlm->name);
 
 	status = dlm_remaster_locks(dlm, dlm->reco.dead_node);
 	if (status < 0) {
@@ -1191,7 +1191,7 @@ static int dlm_add_lock_to_array(struct dlm_lock *lock,
 			    (ml->type == LKM_EXMODE ||
 			     memcmp(mres->lvb, lock->lksb->lvb, DLM_LVB_LEN))) {
 				mlog(ML_ERROR, "mismatched lvbs!\n");
-				__dlm_print_one_lock_resource(lock->lockres);
+				dlm_print_one_lock_resource(lock->lockres);
 				BUG();
 			}
 			memcpy(mres->lvb, lock->lksb->lvb, DLM_LVB_LEN);
@@ -1327,6 +1327,7 @@ int dlm_mig_lockres_handler(struct o2net_msg *msg, u32 len, void *data,
 		(struct dlm_migratable_lockres *)msg->buf;
 	int ret = 0;
 	u8 real_master;
+	u8 extra_refs = 0;
 	char *buf = NULL;
 	struct dlm_work_item *item = NULL;
 	struct dlm_lock_resource *res = NULL;
@@ -1404,16 +1405,28 @@ int dlm_mig_lockres_handler(struct o2net_msg *msg, u32 len, void *data,
 		__dlm_insert_lockres(dlm, res);
 		spin_unlock(&dlm->spinlock);
 
+		/* Add an extra ref for this lock-less lockres lest the
+		 * dlm_thread purges it before we get the chance to add
+		 * locks to it */
+		dlm_lockres_get(res);
+
+		/* There are three refs that need to be put.
+		 * 1. Taken above.
+		 * 2. kref_init in dlm_new_lockres()->dlm_init_lockres().
+		 * 3. dlm_lookup_lockres()
+		 * The first one is handled at the end of this function. The
+		 * other two are handled in the worker thread after locks have
+		 * been attached. Yes, we don't wait for purge time to match
+		 * kref_init. The lockres will still have atleast one ref
+		 * added because it is in the hash __dlm_insert_lockres() */
+		extra_refs++;
+
 		/* now that the new lockres is inserted,
 		 * make it usable by other processes */
 		spin_lock(&res->spinlock);
 		res->state &= ~DLM_LOCK_RES_IN_PROGRESS;
 		spin_unlock(&res->spinlock);
 		wake_up(&res->wq);
-
-		/* add an extra ref for just-allocated lockres 
-		 * otherwise the lockres will be purged immediately */
-		dlm_lockres_get(res);
 	}
 
 	/* at this point we have allocated everything we need,
@@ -1443,12 +1456,17 @@ int dlm_mig_lockres_handler(struct o2net_msg *msg, u32 len, void *data,
 	dlm_init_work_item(dlm, item, dlm_mig_lockres_worker, buf);
 	item->u.ml.lockres = res; /* already have a ref */
 	item->u.ml.real_master = real_master;
+	item->u.ml.extra_ref = extra_refs;
 	spin_lock(&dlm->work_lock);
 	list_add_tail(&item->list, &dlm->work_list);
 	spin_unlock(&dlm->work_lock);
 	queue_work(dlm->dlm_worker, &dlm->dispatched_work);
 
 leave:
+	/* One extra ref taken needs to be put here */
+	if (extra_refs)
+		dlm_lockres_put(res);
+
 	dlm_put(dlm);
 	if (ret < 0) {
 		if (buf)
@@ -1464,17 +1482,19 @@ leave:
 
 static void dlm_mig_lockres_worker(struct dlm_work_item *item, void *data)
 {
-	struct dlm_ctxt *dlm = data;
+	struct dlm_ctxt *dlm;
 	struct dlm_migratable_lockres *mres;
 	int ret = 0;
 	struct dlm_lock_resource *res;
 	u8 real_master;
+	u8 extra_ref;
 
 	dlm = item->dlm;
 	mres = (struct dlm_migratable_lockres *)data;
 
 	res = item->u.ml.lockres;
 	real_master = item->u.ml.real_master;
+	extra_ref = item->u.ml.extra_ref;
 
 	if (real_master == DLM_LOCK_RES_OWNER_UNKNOWN) {
 		/* this case is super-rare. only occurs if
@@ -1517,6 +1537,12 @@ again:
 	}
 
 leave:
+	/* See comment in dlm_mig_lockres_handler() */
+	if (res) {
+		if (extra_ref)
+			dlm_lockres_put(res);
+		dlm_lockres_put(res);
+	}
 	kfree(data);
 	mlog_exit(ret);
 }
@@ -1644,7 +1670,8 @@ int dlm_master_requery_handler(struct o2net_msg *msg, u32 len, void *data,
 				/* retry!? */
 				BUG();
 			}
-		}
+		} else /* put.. incase we are not the master */
+			dlm_lockres_put(res);
 		spin_unlock(&res->spinlock);
 	}
 	spin_unlock(&dlm->spinlock);
@@ -1921,6 +1948,7 @@ void dlm_move_lockres_to_recovery_list(struct dlm_ctxt *dlm,
 		     "Recovering res %s:%.*s, is already on recovery list!\n",
 		     dlm->name, res->lockname.len, res->lockname.name);
 		list_del_init(&res->recovering);
+		dlm_lockres_put(res);
 	}
 	/* We need to hold a reference while on the recovery list */
 	dlm_lockres_get(res);
@@ -2130,11 +2158,16 @@ static void dlm_free_dead_locks(struct dlm_ctxt *dlm,
 	assert_spin_locked(&dlm->spinlock);
 	assert_spin_locked(&res->spinlock);
 
+	/* We do two dlm_lock_put(). One for removing from list and the other is
+	 * to force the DLM_UNLOCK_FREE_LOCK action so as to free the locks */
+
 	/* TODO: check pending_asts, pending_basts here */
 	list_for_each_entry_safe(lock, next, &res->granted, list) {
 		if (lock->ml.node == dead_node) {
 			list_del_init(&lock->list);
 			dlm_lock_put(lock);
+			/* Can't schedule DLM_UNLOCK_FREE_LOCK - do manually */
+			dlm_lock_put(lock);
 			freed++;
 		}
 	}
@@ -2142,6 +2175,8 @@ static void dlm_free_dead_locks(struct dlm_ctxt *dlm,
 		if (lock->ml.node == dead_node) {
 			list_del_init(&lock->list);
 			dlm_lock_put(lock);
+			/* Can't schedule DLM_UNLOCK_FREE_LOCK - do manually */
+			dlm_lock_put(lock);
 			freed++;
 		}
 	}
@@ -2149,6 +2184,8 @@ static void dlm_free_dead_locks(struct dlm_ctxt *dlm,
 		if (lock->ml.node == dead_node) {
 			list_del_init(&lock->list);
 			dlm_lock_put(lock);
+			/* Can't schedule DLM_UNLOCK_FREE_LOCK - do manually */
+			dlm_lock_put(lock);
 			freed++;
 		}
 	}

fs/ocfs2/dlm/dlmthread.c

@@ -176,12 +176,14 @@ static int dlm_purge_lockres(struct dlm_ctxt *dlm,
 	     res->lockname.name, master);
 
 	if (!master) {
+		/* drop spinlock...  retake below */
+		spin_unlock(&dlm->spinlock);
+
 		spin_lock(&res->spinlock);
 		/* This ensures that clear refmap is sent after the set */
 		__dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_SETREF_INPROG);
 		spin_unlock(&res->spinlock);
-		/* drop spinlock to do messaging, retake below */
-		spin_unlock(&dlm->spinlock);
+
 		/* clear our bit from the master's refmap, ignore errors */
 		ret = dlm_drop_lockres_ref(dlm, res);
 		if (ret < 0) {

fs/ocfs2/dlmglue.c

@@ -2409,7 +2409,7 @@ static int ocfs2_dlm_seq_show(struct seq_file *m, void *v)
 	return 0;
 }
 
-static struct seq_operations ocfs2_dlm_seq_ops = {
+static const struct seq_operations ocfs2_dlm_seq_ops = {
 	.start =	ocfs2_dlm_seq_start,
 	.stop =		ocfs2_dlm_seq_stop,
 	.next =		ocfs2_dlm_seq_next,

fs/ocfs2/resize.c

@@ -597,7 +597,7 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input)
 		memset(cr, 0, sizeof(struct ocfs2_chain_rec));
 	}
 
-	cr->c_blkno = le64_to_cpu(input->group);
+	cr->c_blkno = cpu_to_le64(input->group);
 	le32_add_cpu(&cr->c_total, input->clusters * cl_bpc);
 	le32_add_cpu(&cr->c_free, input->frees * cl_bpc);
 

include/asm-x86/pgtable_32.h

@@ -26,10 +26,9 @@ struct mm_struct;
 struct vm_area_struct;
 
 extern pgd_t swapper_pg_dir[1024];
-extern struct kmem_cache *pmd_cache;
-void check_pgt_cache(void);
 
-static inline void pgtable_cache_init(void) {}
+static inline void pgtable_cache_init(void) { }
+static inline void check_pgt_cache(void) { }
 void paging_init(void);
 
 

include/crypto/internal/skcipher.h

@@ -68,7 +68,7 @@ void skcipher_geniv_exit(struct crypto_tfm *tfm);
 int __init eseqiv_module_init(void);
 void __exit eseqiv_module_exit(void);
 int __init chainiv_module_init(void);
-void __exit chainiv_module_exit(void);
+void chainiv_module_exit(void);
 
 static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
 	struct crypto_ablkcipher *geniv)

include/linux/firmware.h

@@ -10,7 +10,10 @@ struct firmware {
 	size_t size;
 	u8 *data;
 };
+
 struct device;
+
+#if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
 int request_firmware(const struct firmware **fw, const char *name,
 		     struct device *device);
 int request_firmware_nowait(
@@ -19,4 +22,24 @@ int request_firmware_nowait(
 	void (*cont)(const struct firmware *fw, void *context));
 
 void release_firmware(const struct firmware *fw);
+#else
+static inline int request_firmware(const struct firmware **fw,
+				   const char *name,
+				   struct device *device)
+{
+	return -EINVAL;
+}
+static inline int request_firmware_nowait(
+	struct module *module, int uevent,
+	const char *name, struct device *device, void *context,
+	void (*cont)(const struct firmware *fw, void *context))
+{
+	return -EINVAL;
+}
+
+static inline void release_firmware(const struct firmware *fw)
+{
+}
+#endif
+
 #endif

include/linux/memstick.h

@@ -22,6 +22,8 @@ struct ms_status_register {
 	unsigned char reserved;
 	unsigned char interrupt;
 #define MEMSTICK_INT_CMDNAK             0x0001
+#define MEMSTICK_INT_IOREQ              0x0008
+#define MEMSTICK_INT_IOBREQ             0x0010
 #define MEMSTICK_INT_BREQ               0x0020
 #define MEMSTICK_INT_ERR                0x0040
 #define MEMSTICK_INT_CED                0x0080
@@ -47,13 +49,17 @@ struct ms_status_register {
 
 struct ms_id_register {
 	unsigned char type;
-	unsigned char reserved;
+	unsigned char if_mode;
 	unsigned char category;
 	unsigned char class;
 } __attribute__((packed));
 
 struct ms_param_register {
 	unsigned char system;
+#define MEMSTICK_SYS_ATEN 0xc0
+#define MEMSTICK_SYS_BAMD 0x80
+#define MEMSTICK_SYS_PAM  0x08
+
 	unsigned char block_address_msb;
 	unsigned short block_address;
 	unsigned char cp;
@@ -90,16 +96,48 @@ struct ms_register {
 
 struct mspro_param_register {
 	unsigned char  system;
+#define MEMSTICK_SYS_SERIAL 0x80
+#define MEMSTICK_SYS_PAR4   0x00
+#define MEMSTICK_SYS_PAR8   0x40
+
+	unsigned short data_count;
+	unsigned int   data_address;
+	unsigned char  tpc_param;
+} __attribute__((packed));
+
+struct mspro_io_info_register {
+	unsigned char version;
+	unsigned char io_category;
+	unsigned char current_req;
+	unsigned char card_opt_info;
+	unsigned char rdy_wait_time;
+} __attribute__((packed));
+
+struct mspro_io_func_register {
+	unsigned char func_enable;
+	unsigned char func_select;
+	unsigned char func_intmask;
+	unsigned char transfer_mode;
+} __attribute__((packed));
+
+struct mspro_io_cmd_register {
+	unsigned short tpc_param;
 	unsigned short data_count;
 	unsigned int   data_address;
-	unsigned char  cmd_param;
 } __attribute__((packed));
 
 struct mspro_register {
-	struct ms_status_register    status;
-	struct ms_id_register        id;
-	unsigned char                reserved[8];
-	struct mspro_param_register  param;
+	struct ms_status_register     status;
+	struct ms_id_register         id;
+	unsigned char                 reserved0[8];
+	struct mspro_param_register   param;
+	unsigned char                 reserved1[8];
+	struct mspro_io_info_register io_info;
+	struct mspro_io_func_register io_func;
+	unsigned char                 reserved2[7];
+	struct mspro_io_cmd_register  io_cmd;
+	unsigned char                 io_int;
+	unsigned char                 io_int_func;
 } __attribute__((packed));
 
 struct ms_register_addr {
@@ -110,49 +148,55 @@ struct ms_register_addr {
 } __attribute__((packed));
 
 enum {
+	MS_TPC_READ_MG_STATUS   = 0x01,
 	MS_TPC_READ_LONG_DATA   = 0x02,
 	MS_TPC_READ_SHORT_DATA  = 0x03,
+	MS_TPC_READ_MG_DATA     = 0x03,
 	MS_TPC_READ_REG         = 0x04,
-	MS_TPC_READ_IO_DATA     = 0x05, /* unverified */
+	MS_TPC_READ_QUAD_DATA   = 0x05,
+	MS_TPC_READ_IO_DATA     = 0x05,
 	MS_TPC_GET_INT          = 0x07,
 	MS_TPC_SET_RW_REG_ADRS  = 0x08,
 	MS_TPC_EX_SET_CMD       = 0x09,
-	MS_TPC_WRITE_IO_DATA    = 0x0a, /* unverified */
+	MS_TPC_WRITE_QUAD_DATA  = 0x0a,
+	MS_TPC_WRITE_IO_DATA    = 0x0a,
 	MS_TPC_WRITE_REG        = 0x0b,
 	MS_TPC_WRITE_SHORT_DATA = 0x0c,
+	MS_TPC_WRITE_MG_DATA    = 0x0c,
 	MS_TPC_WRITE_LONG_DATA  = 0x0d,
 	MS_TPC_SET_CMD          = 0x0e
 };
 
 enum {
-	MS_CMD_BLOCK_END     = 0x33,
-	MS_CMD_RESET         = 0x3c,
-	MS_CMD_BLOCK_WRITE   = 0x55,
-	MS_CMD_SLEEP         = 0x5a,
-	MS_CMD_BLOCK_ERASE   = 0x99,
-	MS_CMD_BLOCK_READ    = 0xaa,
-	MS_CMD_CLEAR_BUF     = 0xc3,
-	MS_CMD_FLASH_STOP    = 0xcc,
-	MSPRO_CMD_FORMAT     = 0x10,
-	MSPRO_CMD_SLEEP      = 0x11,
-	MSPRO_CMD_READ_DATA  = 0x20,
-	MSPRO_CMD_WRITE_DATA = 0x21,
-	MSPRO_CMD_READ_ATRB  = 0x24,
-	MSPRO_CMD_STOP       = 0x25,
-	MSPRO_CMD_ERASE      = 0x26,
-	MSPRO_CMD_SET_IBA    = 0x46,
-	MSPRO_CMD_SET_IBD    = 0x47
-/*
-	MSPRO_CMD_RESET
-	MSPRO_CMD_WAKEUP
-	MSPRO_CMD_IN_IO_DATA
-	MSPRO_CMD_OUT_IO_DATA
-	MSPRO_CMD_READ_IO_ATRB
-	MSPRO_CMD_IN_IO_FIFO
-	MSPRO_CMD_OUT_IO_FIFO
-	MSPRO_CMD_IN_IOM
-	MSPRO_CMD_OUT_IOM
-*/
+	MS_CMD_BLOCK_END       = 0x33,
+	MS_CMD_RESET           = 0x3c,
+	MS_CMD_BLOCK_WRITE     = 0x55,
+	MS_CMD_SLEEP           = 0x5a,
+	MS_CMD_BLOCK_ERASE     = 0x99,
+	MS_CMD_BLOCK_READ      = 0xaa,
+	MS_CMD_CLEAR_BUF       = 0xc3,
+	MS_CMD_FLASH_STOP      = 0xcc,
+	MS_CMD_LOAD_ID         = 0x60,
+	MS_CMD_CMP_ICV         = 0x7f,
+	MSPRO_CMD_FORMAT       = 0x10,
+	MSPRO_CMD_SLEEP        = 0x11,
+	MSPRO_CMD_WAKEUP       = 0x12,
+	MSPRO_CMD_READ_DATA    = 0x20,
+	MSPRO_CMD_WRITE_DATA   = 0x21,
+	MSPRO_CMD_READ_ATRB    = 0x24,
+	MSPRO_CMD_STOP         = 0x25,
+	MSPRO_CMD_ERASE        = 0x26,
+	MSPRO_CMD_READ_QUAD    = 0x27,
+	MSPRO_CMD_WRITE_QUAD   = 0x28,
+	MSPRO_CMD_SET_IBD      = 0x46,
+	MSPRO_CMD_GET_IBD      = 0x47,
+	MSPRO_CMD_IN_IO_DATA   = 0xb0,
+	MSPRO_CMD_OUT_IO_DATA  = 0xb1,
+	MSPRO_CMD_READ_IO_ATRB = 0xb2,
+	MSPRO_CMD_IN_IO_FIFO   = 0xb3,
+	MSPRO_CMD_OUT_IO_FIFO  = 0xb4,
+	MSPRO_CMD_IN_IOM       = 0xb5,
+	MSPRO_CMD_OUT_IOM      = 0xb6,
 };
 
 /*** Driver structures and functions ***/
@@ -165,7 +209,8 @@ enum memstick_param { MEMSTICK_POWER = 1, MEMSTICK_INTERFACE };
 #define MEMSTICK_POWER_ON  1
 
 #define MEMSTICK_SERIAL   0
-#define MEMSTICK_PARALLEL 1
+#define MEMSTICK_PAR4     1
+#define MEMSTICK_PAR8     2
 
 struct memstick_host;
 struct memstick_driver;
@@ -195,11 +240,7 @@ struct memstick_request {
 	unsigned char data_dir:1,
 		      need_card_int:1,
 		      get_int_reg:1,
-		      io_type:2;
-#define               MEMSTICK_IO_NONE 0
-#define               MEMSTICK_IO_VAL  1
-#define               MEMSTICK_IO_SG   2
-
+		      long_data:1;
 	unsigned char int_reg;
 	int           error;
 	union {
@@ -231,8 +272,9 @@ struct memstick_host {
 	struct mutex        lock;
 	unsigned int        id;
 	unsigned int        caps;
-#define MEMSTICK_CAP_PARALLEL      1
-#define MEMSTICK_CAP_AUTO_GET_INT  2
+#define MEMSTICK_CAP_AUTO_GET_INT  1
+#define MEMSTICK_CAP_PAR4          2
+#define MEMSTICK_CAP_PAR8          4
 
 	struct work_struct  media_checker;
 	struct class_device cdev;
@@ -270,6 +312,8 @@ int memstick_add_host(struct memstick_host *host);
 void memstick_remove_host(struct memstick_host *host);
 void memstick_free_host(struct memstick_host *host);
 void memstick_detect_change(struct memstick_host *host);
+void memstick_suspend_host(struct memstick_host *host);
+void memstick_resume_host(struct memstick_host *host);
 
 void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc,
 			  struct scatterlist *sg);

include/linux/pci.h

@@ -389,13 +389,13 @@ struct pci_driver {
 #define	to_pci_driver(drv) container_of(drv, struct pci_driver, driver)
 
 /**
- * DECLARE_PCI_DEVICE_TABLE - macro used to describe a pci device table
+ * DEFINE_PCI_DEVICE_TABLE - macro used to describe a pci device table
  * @_table: device table name
  *
  * This macro is used to create a struct pci_device_id array (a device table)
  * in a generic manner.
  */
-#define DECLARE_PCI_DEVICE_TABLE(_table) \
+#define DEFINE_PCI_DEVICE_TABLE(_table) \
 	const struct pci_device_id _table[] __devinitconst
 
 /**

include/linux/pci_ids.h

@@ -2184,6 +2184,7 @@
 #define PCI_DEVICE_ID_JMICRON_JMB366	0x2366
 #define PCI_DEVICE_ID_JMICRON_JMB368	0x2368
 #define PCI_DEVICE_ID_JMICRON_JMB38X_SD	0x2381
+#define PCI_DEVICE_ID_JMICRON_JMB38X_MS	0x2383
 
 #define PCI_VENDOR_ID_KORENIX		0x1982
 #define PCI_DEVICE_ID_KORENIX_JETCARDF0	0x1600

include/linux/tifm.h

@@ -70,9 +70,9 @@ enum {
 
 #define TIFM_FIFO_ENABLE          0x00000001
 #define TIFM_FIFO_READY           0x00000001
+#define TIFM_FIFO_MORE            0x00000008
 #define TIFM_FIFO_INT_SETALL      0x0000ffff
 #define TIFM_FIFO_INTMASK         0x00000005
-#define TIFM_FIFO_SIZE            0x00000200
 
 #define TIFM_DMA_RESET            0x00000002
 #define TIFM_DMA_TX               0x00008000

include/linux/time.h

@@ -174,6 +174,10 @@ static inline void timespec_add_ns(struct timespec *a, u64 ns)
 {
 	ns += a->tv_nsec;
 	while(unlikely(ns >= NSEC_PER_SEC)) {
+		/* The following asm() prevents the compiler from
+		 * optimising this loop into a modulo operation.  */
+		asm("" : "+r"(ns));
+
 		ns -= NSEC_PER_SEC;
 		a->tv_sec++;
 	}

include/linux/timex.h

@@ -232,14 +232,7 @@ static inline int ntp_synced(void)
 #else
 #define NTP_INTERVAL_FREQ  (HZ)
 #endif
-
-#define CLOCK_TICK_OVERFLOW	(LATCH * HZ - CLOCK_TICK_RATE)
-#define CLOCK_TICK_ADJUST	(((s64)CLOCK_TICK_OVERFLOW * NSEC_PER_SEC) / \
-					(s64)CLOCK_TICK_RATE)
-
-/* Because using NSEC_PER_SEC would be too easy */
-#define NTP_INTERVAL_LENGTH ((((s64)TICK_USEC * NSEC_PER_USEC * USER_HZ) + \
-			      CLOCK_TICK_ADJUST) / NTP_INTERVAL_FREQ)
+#define NTP_INTERVAL_LENGTH (NSEC_PER_SEC/NTP_INTERVAL_FREQ)
 
 /* Returns how long ticks are at present, in ns / 2^(SHIFT_SCALE-10). */
 extern u64 current_tick_length(void);

include/linux/usb/Kbuild

@@ -3,5 +3,5 @@ header-y += cdc.h
 header-y += ch9.h
 header-y += gadgetfs.h
 header-y += midi.h
-unifdef-y += g_printer.h
+header-y += g_printer.h
 

include/linux/usb/gadget.h

@@ -15,8 +15,6 @@
 #ifndef __LINUX_USB_GADGET_H
 #define __LINUX_USB_GADGET_H
 
-#ifdef __KERNEL__
-
 struct usb_ep;
 
 /**
@@ -848,6 +846,4 @@ extern struct usb_ep *usb_ep_autoconfig(struct usb_gadget *,
 
 extern void usb_ep_autoconfig_reset(struct usb_gadget *) __devinit;
 
-#endif  /* __KERNEL__ */
-
 #endif	/* __LINUX_USB_GADGET_H */

init/Kconfig

@@ -865,38 +865,10 @@ source "block/Kconfig"
 config PREEMPT_NOTIFIERS
 	bool
 
-choice
-	prompt "RCU implementation type:"
-	default CLASSIC_RCU
-	help
-	  This allows you to choose either the classic RCU implementation
-	  that is designed for best read-side performance on non-realtime
-	  systems, or the preemptible RCU implementation for best latency
-	  on realtime systems.  Note that some kernel preemption modes
-	  will restrict your choice.
-
-	  Select the default if you are unsure.
-
 config CLASSIC_RCU
-	bool "Classic RCU"
+	def_bool !PREEMPT_RCU
 	help
 	  This option selects the classic RCU implementation that is
 	  designed for best read-side performance on non-realtime
-	  systems.
-
-	  Say Y if you are unsure.
-
-config PREEMPT_RCU
-	bool "Preemptible RCU"
-	depends on PREEMPT
-	help
-	  This option reduces the latency of the kernel by making certain
-	  RCU sections preemptible. Normally RCU code is non-preemptible, if
-	  this option is selected then read-only RCU sections become
-	  preemptible. This helps latency, but may expose bugs due to
-	  now-naive assumptions about each RCU read-side critical section
-	  remaining on a given CPU through its execution.
-
-	  Say N if you are unsure.
-
-endchoice
+	  systems.  Classic RCU is the default.  Note that the
+	  PREEMPT_RCU symbol is used to select/deselect this option.

ipc/shm.c

@@ -271,9 +271,10 @@ static struct mempolicy *shm_get_policy(struct vm_area_struct *vma,
 
 	if (sfd->vm_ops->get_policy)
 		pol = sfd->vm_ops->get_policy(vma, addr);
-	else if (vma->vm_policy)
+	else if (vma->vm_policy) {
 		pol = vma->vm_policy;
-	else
+		mpol_get(pol);	/* get_vma_policy() expects this */
+	} else
 		pol = current->mempolicy;
 	return pol;
 }

kernel/Kconfig.preempt

@@ -52,8 +52,23 @@ config PREEMPT
 
 endchoice
 
+config PREEMPT_RCU
+	bool "Preemptible RCU"
+	depends on PREEMPT
+	default n
+	help
+	  This option reduces the latency of the kernel by making certain
+	  RCU sections preemptible. Normally RCU code is non-preemptible, if
+	  this option is selected then read-only RCU sections become
+	  preemptible. This helps latency, but may expose bugs due to
+	  now-naive assumptions about each RCU read-side critical section
+	  remaining on a given CPU through its execution.
+
+	  Say N if you are unsure.
+
 config RCU_TRACE
 	bool "Enable tracing for RCU - currently stats in debugfs"
+	depends on PREEMPT_RCU
 	select DEBUG_FS
 	default y
 	help

kernel/exit.c

@@ -1378,7 +1378,7 @@ unlock_sig:
 	if (!retval && infop)
 		retval = put_user(0, &infop->si_errno);
 	if (!retval && infop)
-		retval = put_user(why, &infop->si_code);
+		retval = put_user((short)why, &infop->si_code);
 	if (!retval && infop)
 		retval = put_user(exit_code, &infop->si_status);
 	if (!retval && infop)

kernel/module.c

@@ -2178,10 +2178,20 @@ sys_init_module(void __user *umod,
 		wake_up(&module_wq);
 		return ret;
 	}
+	if (ret > 0) {
+		printk(KERN_WARNING "%s: '%s'->init suspiciously returned %d, "
+				    "it should follow 0/-E convention\n"
+		       KERN_WARNING "%s: loading module anyway...\n",
+		       __func__, mod->name, ret,
+		       __func__);
+		dump_stack();
+	}
 
-	/* Now it's a first class citizen! */
-	mutex_lock(&module_mutex);
+	/* Now it's a first class citizen!  Wake up anyone waiting for it. */
 	mod->state = MODULE_STATE_LIVE;
+	wake_up(&module_wq);
+
+	mutex_lock(&module_mutex);
 	/* Drop initial reference. */
 	module_put(mod);
 	unwind_remove_table(mod->unwind_info, 1);
@@ -2190,7 +2200,6 @@ sys_init_module(void __user *umod,
 	mod->init_size = 0;
 	mod->init_text_size = 0;
 	mutex_unlock(&module_mutex);
-	wake_up(&module_wq);
 
 	return 0;
 }