Эх сурвалжийг харах

Merge 3.16-rc6 into driver-core-next

We want the platform changes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Greg Kroah-Hartman 11 жил өмнө
parent
commit
90125edbc4
100 өөрчлөгдсөн 906 нэмэгдсэн , 428 устгасан
  1. 3 6
      Documentation/Changes
  2. 1 1
      Documentation/DocBook/gadget.tmpl
  3. 2 2
      Documentation/DocBook/genericirq.tmpl
  4. 1 1
      Documentation/DocBook/kernel-locking.tmpl
  5. 3 3
      Documentation/DocBook/libata.tmpl
  6. 1 1
      Documentation/DocBook/media_api.tmpl
  7. 15 15
      Documentation/DocBook/mtdnand.tmpl
  8. 1 1
      Documentation/DocBook/regulator.tmpl
  9. 2 2
      Documentation/DocBook/uio-howto.tmpl
  10. 1 1
      Documentation/DocBook/usb.tmpl
  11. 1 1
      Documentation/DocBook/writing-an-alsa-driver.tmpl
  12. 0 6
      Documentation/acpi/enumeration.txt
  13. 5 2
      Documentation/cpu-freq/intel-pstate.txt
  14. 20 0
      Documentation/devicetree/bindings/arm/exynos/power_domain.txt
  15. 4 2
      Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt
  16. 7 0
      Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
  17. 7 1
      Documentation/kernel-parameters.txt
  18. 2 2
      Documentation/laptops/00-INDEX
  19. 45 14
      Documentation/laptops/freefall.c
  20. 18 6
      MAINTAINERS
  21. 52 49
      Makefile
  22. 1 0
      arch/arm/Kconfig
  23. 2 2
      arch/arm/boot/dts/am335x-evm.dts
  24. 2 2
      arch/arm/boot/dts/am335x-evmsk.dts
  25. 6 0
      arch/arm/boot/dts/am335x-igep0033.dtsi
  26. 1 1
      arch/arm/boot/dts/at91sam9n12.dtsi
  27. 4 2
      arch/arm/boot/dts/at91sam9x5.dtsi
  28. 1 0
      arch/arm/boot/dts/dra7-evm.dts
  29. 6 4
      arch/arm/boot/dts/dra7xx-clocks.dtsi
  30. 1 1
      arch/arm/boot/dts/exynos4.dtsi
  31. 4 1
      arch/arm/boot/dts/exynos5420.dtsi
  32. 20 10
      arch/arm/kernel/kprobes-test-arm.c
  33. 10 0
      arch/arm/kernel/kprobes-test.c
  34. 3 3
      arch/arm/kernel/probes-arm.c
  35. 1 1
      arch/arm/kernel/topology.c
  36. 3 5
      arch/arm/mach-exynos/exynos.c
  37. 7 2
      arch/arm/mach-exynos/firmware.c
  38. 6 4
      arch/arm/mach-exynos/hotplug.c
  39. 19 15
      arch/arm/mach-exynos/platsmp.c
  40. 60 1
      arch/arm/mach-exynos/pm_domains.c
  41. 23 8
      arch/arm/mach-imx/clk-gate2.c
  42. 2 2
      arch/arm/mach-imx/clk-imx6q.c
  43. 5 1
      arch/arm/mach-mvebu/coherency.c
  44. 8 1
      arch/arm/mach-mvebu/headsmp-a9.S
  45. 5 5
      arch/arm/mach-mvebu/pmsu.c
  46. 1 1
      arch/arm/mach-omap2/clkt_dpll.c
  47. 3 0
      arch/arm/mach-omap2/cm-regbits-34xx.h
  48. 2 1
      arch/arm/mach-omap2/common.h
  49. 0 28
      arch/arm/mach-omap2/devices.c
  50. 10 0
      arch/arm/mach-omap2/dsp.c
  51. 1 1
      arch/arm/mach-omap2/gpmc.c
  52. 13 5
      arch/arm/mach-omap2/omap_hwmod_7xx_data.c
  53. 6 0
      arch/arm/mach-omap2/prm-regbits-34xx.h
  54. 1 1
      arch/arm/mm/cache-l2x0.c
  55. 1 0
      arch/arm64/Kconfig
  56. 2 0
      arch/arm64/include/asm/memory.h
  57. 0 2
      arch/arm64/kernel/efi-stub.c
  58. 2 0
      arch/arm64/mm/copypage.c
  59. 2 1
      arch/m68k/kernel/head.S
  60. 2 0
      arch/m68k/kernel/time.c
  61. 2 1
      arch/parisc/kernel/hardware.c
  62. 10 36
      arch/parisc/kernel/sys_parisc32.c
  63. 1 1
      arch/parisc/kernel/syscall_table.S
  64. 3 1
      arch/powerpc/Kconfig
  65. 1 9
      arch/powerpc/include/asm/mmu.h
  66. 1 2
      arch/powerpc/include/asm/perf_event_server.h
  67. 1 1
      arch/powerpc/kernel/idle_power7.S
  68. 1 1
      arch/powerpc/kernel/smp.c
  69. 0 5
      arch/powerpc/kvm/book3s_hv_interrupts.S
  70. 1 11
      arch/powerpc/mm/mmu_context_nohash.c
  71. 7 3
      arch/powerpc/net/bpf_jit_comp.c
  72. 22 4
      arch/powerpc/perf/core-book3s.c
  73. 1 1
      arch/powerpc/perf/power8-pmu.c
  74. 2 0
      arch/powerpc/platforms/cell/spu_syscalls.c
  75. 2 1
      arch/powerpc/platforms/cell/spufs/Makefile
  76. 4 2
      arch/powerpc/platforms/cell/spufs/syscalls.c
  77. 1 0
      arch/sparc/Kconfig
  78. 8 1
      arch/um/kernel/tlb.c
  79. 1 1
      arch/um/kernel/trap.c
  80. 2 7
      arch/um/os-Linux/skas/process.c
  81. 1 0
      arch/x86/Kconfig
  82. 22 4
      arch/x86/boot/header.S
  83. 30 8
      arch/x86/boot/tools/build.c
  84. 1 1
      arch/x86/crypto/sha512_ssse3_glue.c
  85. 0 1
      arch/x86/kernel/apm_32.c
  86. 9 0
      arch/x86/kernel/cpu/perf_event_intel.c
  87. 2 3
      arch/x86/kernel/espfix_64.c
  88. 2 2
      arch/x86/kernel/tsc.c
  89. 3 0
      arch/x86/vdso/vdso2c.h
  90. 4 0
      arch/x86/vdso/vma.c
  91. 128 2
      drivers/acpi/ac.c
  92. 2 0
      drivers/acpi/acpi_pnp.c
  93. 40 1
      drivers/acpi/battery.c
  94. 85 79
      drivers/acpi/ec.c
  95. 5 5
      drivers/acpi/resource.c
  96. 19 2
      drivers/acpi/video.c
  97. 8 0
      drivers/acpi/video_detect.c
  98. 2 0
      drivers/ata/ahci.h
  99. 34 4
      drivers/ata/ahci_imx.c
  100. 1 1
      drivers/ata/ahci_platform.c

+ 3 - 6
Documentation/Changes

@@ -280,12 +280,9 @@ that is possible.
 mcelog
 ------
 
-In Linux 2.6.31+ the i386 kernel needs to run the mcelog utility
-as a regular cronjob similar to the x86-64 kernel to process and log
-machine check events when CONFIG_X86_NEW_MCE is enabled. Machine check
-events are errors reported by the CPU. Processing them is strongly encouraged.
-All x86-64 kernels since 2.6.4 require the mcelog utility to
-process machine checks.
+On x86 kernels the mcelog utility is needed to process and log machine check
+events when CONFIG_X86_MCE is enabled. Machine check events are errors reported
+by the CPU. Processing them is strongly encouraged.
 
 Getting updated software
 ========================

+ 1 - 1
Documentation/DocBook/gadget.tmpl

@@ -708,7 +708,7 @@ hardware level details could be very different.
 
 <para>Systems need specialized hardware support to implement OTG,
 notably including a special <emphasis>Mini-AB</emphasis> jack
-and associated transciever to support <emphasis>Dual-Role</emphasis>
+and associated transceiver to support <emphasis>Dual-Role</emphasis>
 operation:
 they can act either as a host, using the standard
 Linux-USB host side driver stack,

+ 2 - 2
Documentation/DocBook/genericirq.tmpl

@@ -182,7 +182,7 @@
 	<para>
 	Each interrupt is described by an interrupt descriptor structure
 	irq_desc. The interrupt is referenced by an 'unsigned int' numeric
-	value which selects the corresponding interrupt decription structure
+	value which selects the corresponding interrupt description structure
 	in the descriptor structures array.
 	The descriptor structure contains status information and pointers
 	to the interrupt flow method and the interrupt chip structure
@@ -470,7 +470,7 @@ if (desc->irq_data.chip->irq_eoi)
      <para>
        To avoid copies of identical implementations of IRQ chips the
        core provides a configurable generic interrupt chip
-       implementation. Developers should check carefuly whether the
+       implementation. Developers should check carefully whether the
        generic chip fits their needs before implementing the same
        functionality slightly differently themselves.
      </para>

+ 1 - 1
Documentation/DocBook/kernel-locking.tmpl

@@ -1760,7 +1760,7 @@ as it would be on UP.
 </para>
 
 <para>
-There is a furthur optimization possible here: remember our original
+There is a further optimization possible here: remember our original
 cache code, where there were no reference counts and the caller simply
 held the lock whenever using the object?  This is still possible: if
 you hold the lock, no one can delete the object, so you don't need to

+ 3 - 3
Documentation/DocBook/libata.tmpl

@@ -677,7 +677,7 @@ and other resources, etc.
 
 	<listitem>
 	<para>
-	ATA_QCFLAG_ACTIVE is clared from qc->flags.
+	ATA_QCFLAG_ACTIVE is cleared from qc->flags.
 	</para>
 	</listitem>
 
@@ -708,7 +708,7 @@ and other resources, etc.
 
 	   <listitem>
 	   <para>
-	   qc->waiting is claread &amp; completed (in that order).
+	   qc->waiting is cleared &amp; completed (in that order).
 	   </para>
 	   </listitem>
 
@@ -1163,7 +1163,7 @@ and other resources, etc.
 
 	<para>
 	Once sense data is acquired, this type of errors can be
-	handled similary to other SCSI errors.  Note that sense data
+	handled similarly to other SCSI errors.  Note that sense data
 	may indicate ATA bus error (e.g. Sense Key 04h HARDWARE ERROR
 	&amp;&amp; ASC/ASCQ 47h/00h SCSI PARITY ERROR).  In such
 	cases, the error should be considered as an ATA bus error and

+ 1 - 1
Documentation/DocBook/media_api.tmpl

@@ -68,7 +68,7 @@
 		several digital tv standards. While it is called as DVB API,
 		in fact it covers several different video standards including
 		DVB-T, DVB-S, DVB-C and ATSC. The API is currently being updated
-		to documment support also for DVB-S2, ISDB-T and ISDB-S.</para>
+		to document support also for DVB-S2, ISDB-T and ISDB-S.</para>
 	<para>The third part covers the Remote Controller API.</para>
 	<para>The fourth part covers the Media Controller API.</para>
 	<para>For additional information and for the latest development code,

+ 15 - 15
Documentation/DocBook/mtdnand.tmpl

@@ -91,7 +91,7 @@
 		<listitem><para>
 	  	[MTD Interface]</para><para>
 		These functions provide the interface to the MTD kernel API. 
-		They are not replacable and provide functionality
+		They are not replaceable and provide functionality
 		which is complete hardware independent.
 		</para></listitem>
 		<listitem><para>
@@ -100,14 +100,14 @@
 		</para></listitem>
 		<listitem><para>
 	  	[GENERIC]</para><para>
-		Generic functions are not replacable and provide functionality
+		Generic functions are not replaceable and provide functionality
 		which is complete hardware independent.
 		</para></listitem>
 		<listitem><para>
 	  	[DEFAULT]</para><para>
 		Default functions provide hardware related functionality which is suitable
 		for most of the implementations. These functions can be replaced by the
-		board driver if neccecary. Those functions are called via pointers in the
+		board driver if necessary. Those functions are called via pointers in the
 		NAND chip description structure. The board driver can set the functions which
 		should be replaced by board dependent functions before calling nand_scan().
 		If the function pointer is NULL on entry to nand_scan() then the pointer
@@ -264,7 +264,7 @@ static void board_hwcontrol(struct mtd_info *mtd, int cmd)
 			is set up nand_scan() is called. This function tries to
 			detect and identify then chip. If a chip is found all the
 			internal data fields are initialized accordingly.
-			The structure(s) have to be zeroed out first and then filled with the neccecary 
+			The structure(s) have to be zeroed out first and then filled with the necessary
 			information about the device.
 		</para>
 		<programlisting>
@@ -327,7 +327,7 @@ module_init(board_init);
 	<sect1 id="Exit_function">
 		<title>Exit function</title>
 		<para>
-			The exit function is only neccecary if the driver is
+			The exit function is only necessary if the driver is
 			compiled as a module. It releases all resources which
 			are held by the chip driver and unregisters the partitions
 			in the MTD layer.
@@ -494,7 +494,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip)
 				in this case. See rts_from4.c and diskonchip.c for 
 				implementation reference. In those cases we must also
 				use bad block tables on FLASH, because the ECC layout is
-				interferring with the bad block marker positions.
+				interfering with the bad block marker positions.
 				See bad block table support for details.
 			</para>
 		</sect2>
@@ -542,7 +542,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip)
 		<para>	
 			nand_scan() calls the function nand_default_bbt(). 
 			nand_default_bbt() selects appropriate default
-			bad block table desriptors depending on the chip information
+			bad block table descriptors depending on the chip information
 			which was retrieved by nand_scan().
 		</para>
 		<para>
@@ -554,7 +554,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip)
 		<sect2 id="Flash_based_tables">
 			<title>Flash based tables</title>
 			<para>
-				It may be desired or neccecary to keep a bad block table in FLASH. 
+				It may be desired or necessary to keep a bad block table in FLASH.
 				For AG-AND chips this is mandatory, as they have no factory marked
 				bad blocks. They have factory marked good blocks. The marker pattern
 				is erased when the block is erased to be reused. So in case of
@@ -565,10 +565,10 @@ static void board_select_chip (struct mtd_info *mtd, int chip)
 				of the blocks.
 			</para>
 			<para>
-				The blocks in which the tables are stored are procteted against
+				The blocks in which the tables are stored are protected against
 				accidental access by marking them bad in the memory bad block
 				table. The bad block table management functions are allowed
-				to circumvernt this protection.
+				to circumvent this protection.
 			</para>
 			<para>
 				The simplest way to activate the FLASH based bad block table support 
@@ -592,7 +592,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip)
 				User defined tables are created by filling out a 
 				nand_bbt_descr structure and storing the pointer in the
 				nand_chip structure member bbt_td before calling nand_scan(). 
-				If a mirror table is neccecary a second structure must be
+				If a mirror table is necessary a second structure must be
 				created and a pointer to this structure must be stored
 				in bbt_md inside the nand_chip structure. If the bbt_md 
 				member is set to NULL then only the main table is used
@@ -666,7 +666,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip)
 				<para>
 				For automatic placement some blocks must be reserved for
 				bad block table storage. The number of reserved blocks is defined 
-				in the maxblocks member of the babd block table description structure.
+				in the maxblocks member of the bad block table description structure.
 				Reserving 4 blocks for mirrored tables should be a reasonable number. 
 				This also limits the number of blocks which are scanned for the bad
 				block table ident pattern.
@@ -1068,11 +1068,11 @@ in this page</entry>
   <chapter id="filesystems">
      	<title>Filesystem support</title>
 	<para>
-		The NAND driver provides all neccecary functions for a
+		The NAND driver provides all necessary functions for a
 		filesystem via the MTD interface.
 	</para>
 	<para>
-		Filesystems must be aware of the NAND pecularities and
+		Filesystems must be aware of the NAND peculiarities and
 		restrictions. One major restrictions of NAND Flash is, that you cannot 
 		write as often as you want to a page. The consecutive writes to a page, 
 		before erasing it again, are restricted to 1-3 writes, depending on the 
@@ -1222,7 +1222,7 @@ in this page</entry>
 #define NAND_BBT_VERSION	0x00000100
 /* Create a bbt if none axists */
 #define NAND_BBT_CREATE		0x00000200
-/* Write bbt if neccecary */
+/* Write bbt if necessary */
 #define NAND_BBT_WRITE		0x00001000
 /* Read and write back block contents when writing bbt */
 #define NAND_BBT_SAVECONTENT	0x00002000

+ 1 - 1
Documentation/DocBook/regulator.tmpl

@@ -155,7 +155,7 @@
        release regulators.  Functions are
        provided to <link linkend='API-regulator-enable'>enable</link>
        and <link linkend='API-regulator-disable'>disable</link> the
-       reguator and to get and set the runtime parameters of the
+       regulator and to get and set the runtime parameters of the
        regulator.
      </para>
      <para>

+ 2 - 2
Documentation/DocBook/uio-howto.tmpl

@@ -766,10 +766,10 @@ framework to set up sysfs files for this region. Simply leave it alone.
 	<para>
 	The dynamic memory regions will be allocated when the UIO device file,
 	<varname>/dev/uioX</varname> is opened.
-	Simiar to static memory resources, the memory region information for
+	Similar to static memory resources, the memory region information for
 	dynamic regions is then visible via sysfs at
 	<varname>/sys/class/uio/uioX/maps/mapY/*</varname>.
-	The dynmaic memory regions will be freed when the UIO device file is
+	The dynamic memory regions will be freed when the UIO device file is
 	closed. When no processes are holding the device file open, the address
 	returned to userspace is ~0.
 	</para>

+ 1 - 1
Documentation/DocBook/usb.tmpl

@@ -153,7 +153,7 @@
 
 	<listitem><para>The Linux USB API supports synchronous calls for
 	control and bulk messages.
-	It also supports asynchnous calls for all kinds of data transfer,
+	It also supports asynchronous calls for all kinds of data transfer,
 	using request structures called "URBs" (USB Request Blocks).
 	</para></listitem>
 

+ 1 - 1
Documentation/DocBook/writing-an-alsa-driver.tmpl

@@ -5696,7 +5696,7 @@ struct _snd_pcm_runtime {
 	suspending the PCM operations via
 	<function>snd_pcm_suspend_all()</function> or
 	<function>snd_pcm_suspend()</function>.  It means that the PCM
-	streams are already stoppped when the register snapshot is
+	streams are already stopped when the register snapshot is
 	taken.  But, remember that you don't have to restart the PCM
 	stream in the resume callback. It'll be restarted via 
 	trigger call with <constant>SNDRV_PCM_TRIGGER_RESUME</constant>

+ 0 - 6
Documentation/acpi/enumeration.txt

@@ -60,12 +60,6 @@ If the driver needs to perform more complex initialization like getting and
 configuring GPIOs it can get its ACPI handle and extract this information
 from ACPI tables.
 
-Currently the kernel is not able to automatically determine from which ACPI
-device it should make the corresponding platform device so we need to add
-the ACPI device explicitly to acpi_platform_device_ids list defined in
-drivers/acpi/acpi_platform.c. This limitation is only for the platform
-devices, SPI and I2C devices are created automatically as described below.
-
 DMA support
 ~~~~~~~~~~~
 DMA controllers enumerated via ACPI should be registered in the system to

+ 5 - 2
Documentation/cpu-freq/intel-pstate.txt

@@ -15,10 +15,13 @@ New sysfs files for controlling P state selection have been added to
 /sys/devices/system/cpu/intel_pstate/
 
       max_perf_pct: limits the maximum P state that will be requested by
-      the driver stated as a percentage of the available performance.
+      the driver stated as a percentage of the available performance. The
+      available (P states) performance may be reduced by the no_turbo
+      setting described below.
 
       min_perf_pct: limits the minimum P state that will be  requested by
-      the driver stated as a percentage of the available performance.
+      the driver stated as a percentage of the max (non-turbo)
+      performance level.
 
       no_turbo: limits the driver to selecting P states below the turbo
       frequency range.

+ 20 - 0
Documentation/devicetree/bindings/arm/exynos/power_domain.txt

@@ -9,6 +9,18 @@ Required Properties:
 - reg: physical base address of the controller and length of memory mapped
     region.
 
+Optional Properties:
+- clocks: List of clock handles. The parent clocks of the input clocks to the
+	devices in this power domain are set to oscclk before power gating
+	and restored back after powering on a domain. This is required for
+	all domains which are powered on and off and not required for unused
+	domains.
+- clock-names: The following clocks can be specified:
+	- oscclk: Oscillator clock.
+	- pclkN, clkN: Pairs of parent of input clock and input clock to the
+		devices in this power domain. Maximum of 4 pairs (N = 0 to 3)
+		are supported currently.
+
 Node of a device using power domains must have a samsung,power-domain property
 defined with a phandle to respective power domain.
 
@@ -19,6 +31,14 @@ Example:
 		reg = <0x10023C00 0x10>;
 	};
 
+	mfc_pd: power-domain@10044060 {
+		compatible = "samsung,exynos4210-pd";
+		reg = <0x10044060 0x20>;
+		clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MOUT_SW_ACLK333>,
+			<&clock CLK_MOUT_USER_ACLK333>;
+		clock-names = "oscclk", "pclk0", "clk0";
+	};
+
 Example of the node using power domain:
 
 	node {

+ 4 - 2
Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt

@@ -8,10 +8,12 @@ Both required and optional properties listed below must be defined
 under node /cpus/cpu@0.
 
 Required properties:
-- operating-points: Refer to Documentation/devicetree/bindings/power/opp.txt
-  for details
+- None
 
 Optional properties:
+- operating-points: Refer to Documentation/devicetree/bindings/power/opp.txt for
+  details. OPPs *must* be supplied either via DT, i.e. this property, or
+  populated at runtime.
 - clock-latency: Specify the possible maximum transition latency for clock,
   in unit of nanoseconds.
 - voltage-tolerance: Specify the CPU voltage tolerance in percentage.

+ 7 - 0
Documentation/devicetree/bindings/serial/renesas,sci-serial.txt

@@ -4,6 +4,13 @@ Required properties:
 
   - compatible: Must contain one of the following:
 
+    - "renesas,scifa-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFA compatible UART.
+    - "renesas,scifb-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFB compatible UART.
+    - "renesas,scifa-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFA compatible UART.
+    - "renesas,scifb-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFB compatible UART.
+    - "renesas,scifa-r8a7740" for R8A7740 (R-Mobile A1) SCIFA compatible UART.
+    - "renesas,scifb-r8a7740" for R8A7740 (R-Mobile A1) SCIFB compatible UART.
+    - "renesas,scif-r8a7778" for R8A7778 (R-Car M1) SCIF compatible UART.
     - "renesas,scif-r8a7779" for R8A7779 (R-Car H1) SCIF compatible UART.
     - "renesas,scif-r8a7790" for R8A7790 (R-Car H2) SCIF compatible UART.
     - "renesas,scifa-r8a7790" for R8A7790 (R-Car H2) SCIFA compatible UART.

+ 7 - 1
Documentation/kernel-parameters.txt

@@ -2790,6 +2790,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			leaf rcu_node structure.  Useful for very large
 			systems.
 
+	rcutree.jiffies_till_sched_qs= [KNL]
+			Set required age in jiffies for a
+			given grace period before RCU starts
+			soliciting quiescent-state help from
+			rcu_note_context_switch().
+
 	rcutree.jiffies_till_first_fqs= [KNL]
 			Set delay from grace-period initialization to
 			first attempt to force quiescent states.
@@ -3526,7 +3532,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			the allocated input device; If set to 0, video driver
 			will only send out the event without touching backlight
 			brightness level.
-			default: 0
+			default: 1
 
 	virtio_mmio.device=
 			[VMMIO] Memory mapped virtio (platform) device.

+ 2 - 2
Documentation/laptops/00-INDEX

@@ -8,8 +8,8 @@ disk-shock-protection.txt
 	- information on hard disk shock protection.
 dslm.c
 	- Simple Disk Sleep Monitor program
-hpfall.c
-	- (HP) laptop accelerometer program for disk protection.
+freefall.c
+	- (HP/DELL) laptop accelerometer program for disk protection.
 laptop-mode.txt
 	- how to conserve battery power using laptop-mode.
 sony-laptop.txt

+ 45 - 14
Documentation/laptops/hpfall.c → Documentation/laptops/freefall.c

@@ -1,7 +1,9 @@
-/* Disk protection for HP machines.
+/* Disk protection for HP/DELL machines.
  *
  * Copyright 2008 Eric Piel
  * Copyright 2009 Pavel Machek <pavel@ucw.cz>
+ * Copyright 2012 Sonal Santan
+ * Copyright 2014 Pali Rohár <pali.rohar@gmail.com>
  *
  * GPLv2.
  */
@@ -18,24 +20,31 @@
 #include <signal.h>
 #include <sys/mman.h>
 #include <sched.h>
+#include <syslog.h>
 
-char unload_heads_path[64];
+static int noled;
+static char unload_heads_path[64];
+static char device_path[32];
+static const char app_name[] = "FREE FALL";
 
-int set_unload_heads_path(char *device)
+static int set_unload_heads_path(char *device)
 {
 	char devname[64];
 
 	if (strlen(device) <= 5 || strncmp(device, "/dev/", 5) != 0)
 		return -EINVAL;
-	strncpy(devname, device + 5, sizeof(devname));
+	strncpy(devname, device + 5, sizeof(devname) - 1);
+	strncpy(device_path, device, sizeof(device_path) - 1);
 
 	snprintf(unload_heads_path, sizeof(unload_heads_path) - 1,
 				"/sys/block/%s/device/unload_heads", devname);
 	return 0;
 }
-int valid_disk(void)
+
+static int valid_disk(void)
 {
 	int fd = open(unload_heads_path, O_RDONLY);
+
 	if (fd < 0) {
 		perror(unload_heads_path);
 		return 0;
@@ -45,43 +54,54 @@ int valid_disk(void)
 	return 1;
 }
 
-void write_int(char *path, int i)
+static void write_int(char *path, int i)
 {
 	char buf[1024];
 	int fd = open(path, O_RDWR);
+
 	if (fd < 0) {
 		perror("open");
 		exit(1);
 	}
+
 	sprintf(buf, "%d", i);
+
 	if (write(fd, buf, strlen(buf)) != strlen(buf)) {
 		perror("write");
 		exit(1);
 	}
+
 	close(fd);
 }
 
-void set_led(int on)
+static void set_led(int on)
 {
+	if (noled)
+		return;
 	write_int("/sys/class/leds/hp::hddprotect/brightness", on);
 }
 
-void protect(int seconds)
+static void protect(int seconds)
 {
+	const char *str = (seconds == 0) ? "Unparked" : "Parked";
+
 	write_int(unload_heads_path, seconds*1000);
+	syslog(LOG_INFO, "%s %s disk head\n", str, device_path);
 }
 
-int on_ac(void)
+static int on_ac(void)
 {
-//	/sys/class/power_supply/AC0/online
+	/* /sys/class/power_supply/AC0/online */
+	return 1;
 }
 
-int lid_open(void)
+static int lid_open(void)
 {
-//	/proc/acpi/button/lid/LID/state
+	/* /proc/acpi/button/lid/LID/state */
+	return 1;
 }
 
-void ignore_me(void)
+static void ignore_me(int signum)
 {
 	protect(0);
 	set_led(0);
@@ -90,6 +110,7 @@ void ignore_me(void)
 int main(int argc, char **argv)
 {
 	int fd, ret;
+	struct stat st;
 	struct sched_param param;
 
 	if (argc == 1)
@@ -111,7 +132,16 @@ int main(int argc, char **argv)
 		return EXIT_FAILURE;
 	}
 
-	daemon(0, 0);
+	if (stat("/sys/class/leds/hp::hddprotect/brightness", &st))
+		noled = 1;
+
+	if (daemon(0, 0) != 0) {
+		perror("daemon");
+		return EXIT_FAILURE;
+	}
+
+	openlog(app_name, LOG_CONS | LOG_PID | LOG_NDELAY, LOG_LOCAL1);
+
 	param.sched_priority = sched_get_priority_max(SCHED_FIFO);
 	sched_setscheduler(0, SCHED_FIFO, &param);
 	mlockall(MCL_CURRENT|MCL_FUTURE);
@@ -141,6 +171,7 @@ int main(int argc, char **argv)
 			alarm(20);
 	}
 
+	closelog();
 	close(fd);
 	return EXIT_SUCCESS;
 }

+ 18 - 6
MAINTAINERS

@@ -156,7 +156,6 @@ F:	drivers/net/hamradio/6pack.c
 
 8169 10/100/1000 GIGABIT ETHERNET DRIVER
 M:	Realtek linux nic maintainers <nic_swsd@realtek.com>
-M:	Francois Romieu <romieu@fr.zoreil.com>
 L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/realtek/r8169.c
@@ -1314,6 +1313,20 @@ W:	http://oss.renesas.com
 Q:	http://patchwork.kernel.org/project/linux-sh/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
 S:	Supported
+F:	arch/arm/boot/dts/emev2*
+F:	arch/arm/boot/dts/r7s*
+F:	arch/arm/boot/dts/r8a*
+F:	arch/arm/boot/dts/sh*
+F:	arch/arm/configs/ape6evm_defconfig
+F:	arch/arm/configs/armadillo800eva_defconfig
+F:	arch/arm/configs/bockw_defconfig
+F:	arch/arm/configs/genmai_defconfig
+F:	arch/arm/configs/koelsch_defconfig
+F:	arch/arm/configs/kzm9g_defconfig
+F:	arch/arm/configs/lager_defconfig
+F:	arch/arm/configs/mackerel_defconfig
+F:	arch/arm/configs/marzen_defconfig
+F:	arch/arm/configs/shmobile_defconfig
 F:	arch/arm/mach-shmobile/
 F:	drivers/sh/
 
@@ -4497,8 +4510,7 @@ S:	Supported
 F:	drivers/idle/i7300_idle.c
 
 IEEE 802.15.4 SUBSYSTEM
-M:	Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
-M:	Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+M:	Alexander Aring <alex.aring@gmail.com>
 L:	linux-zigbee-devel@lists.sourceforge.net (moderated for non-subscribers)
 W:	http://apps.sourceforge.net/trac/linux-zigbee
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lowpan/lowpan.git
@@ -6787,7 +6799,7 @@ F:	arch/x86/kernel/quirks.c
 
 PCI DRIVER FOR IMX6
 M:	Richard Zhu <r65037@freescale.com>
-M:	Shawn Guo <shawn.guo@linaro.org>
+M:	Shawn Guo <shawn.guo@freescale.com>
 L:	linux-pci@vger.kernel.org
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
@@ -8984,7 +8996,7 @@ F:	drivers/media/radio/radio-raremono.c
 
 THERMAL
 M:	Zhang Rui <rui.zhang@intel.com>
-M:	Eduardo Valentin <eduardo.valentin@ti.com>
+M:	Eduardo Valentin <edubezval@gmail.com>
 L:	linux-pm@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux.git
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal.git
@@ -9011,7 +9023,7 @@ S:	Maintained
 F:	drivers/platform/x86/thinkpad_acpi.c
 
 TI BANDGAP AND THERMAL DRIVER
-M:	Eduardo Valentin <eduardo.valentin@ti.com>
+M:	Eduardo Valentin <edubezval@gmail.com>
 L:	linux-pm@vger.kernel.org
 S:	Supported
 F:	drivers/thermal/ti-soc-thermal/

+ 52 - 49
Makefile

@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 16
 SUBLEVEL = 0
-EXTRAVERSION = -rc4
+EXTRAVERSION = -rc6
 NAME = Shuffling Zombie Juror
 
 # *DOCUMENTATION*
@@ -41,6 +41,29 @@ unexport GREP_OPTIONS
 # descending is started. They are now explicitly listed as the
 # prepare rule.
 
+# Beautify output
+# ---------------------------------------------------------------------------
+#
+# Normally, we echo the whole command before executing it. By making
+# that echo $($(quiet)$(cmd)), we now have the possibility to set
+# $(quiet) to choose other forms of output instead, e.g.
+#
+#         quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
+#         cmd_cc_o_c       = $(CC) $(c_flags) -c -o $@ $<
+#
+# If $(quiet) is empty, the whole command will be printed.
+# If it is set to "quiet_", only the short version will be printed.
+# If it is set to "silent_", nothing will be printed at all, since
+# the variable $(silent_cmd_cc_o_c) doesn't exist.
+#
+# A simple variant is to prefix commands with $(Q) - that's useful
+# for commands that shall be hidden in non-verbose mode.
+#
+#	$(Q)ln $@ :<
+#
+# If KBUILD_VERBOSE equals 0 then the above command will be hidden.
+# If KBUILD_VERBOSE equals 1 then the above command is displayed.
+#
 # To put more focus on warnings, be less verbose as default
 # Use 'make V=1' to see the full commands
 
@@ -51,6 +74,29 @@ ifndef KBUILD_VERBOSE
   KBUILD_VERBOSE = 0
 endif
 
+ifeq ($(KBUILD_VERBOSE),1)
+  quiet =
+  Q =
+else
+  quiet=quiet_
+  Q = @
+endif
+
+# If the user is running make -s (silent mode), suppress echoing of
+# commands
+
+ifneq ($(filter 4.%,$(MAKE_VERSION)),)	# make-4
+ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)
+  quiet=silent_
+endif
+else					# make-3.8x
+ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
+  quiet=silent_
+endif
+endif
+
+export quiet Q KBUILD_VERBOSE
+
 # Call a source code checker (by default, "sparse") as part of the
 # C compilation.
 #
@@ -128,8 +174,11 @@ $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
 
 # Fake the "Entering directory" message once, so that IDEs/editors are
 # able to understand relative filenames.
+       echodir := @echo
+ quiet_echodir := @echo
+silent_echodir := @:
 sub-make: FORCE
-	@echo "make[1]: Entering directory \`$(KBUILD_OUTPUT)'"
+	$($(quiet)echodir) "make[1]: Entering directory \`$(KBUILD_OUTPUT)'"
 	$(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \
 	KBUILD_SRC=$(CURDIR) \
 	KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \
@@ -292,52 +341,6 @@ endif
 export KBUILD_MODULES KBUILD_BUILTIN
 export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
 
-# Beautify output
-# ---------------------------------------------------------------------------
-#
-# Normally, we echo the whole command before executing it. By making
-# that echo $($(quiet)$(cmd)), we now have the possibility to set
-# $(quiet) to choose other forms of output instead, e.g.
-#
-#         quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
-#         cmd_cc_o_c       = $(CC) $(c_flags) -c -o $@ $<
-#
-# If $(quiet) is empty, the whole command will be printed.
-# If it is set to "quiet_", only the short version will be printed.
-# If it is set to "silent_", nothing will be printed at all, since
-# the variable $(silent_cmd_cc_o_c) doesn't exist.
-#
-# A simple variant is to prefix commands with $(Q) - that's useful
-# for commands that shall be hidden in non-verbose mode.
-#
-#	$(Q)ln $@ :<
-#
-# If KBUILD_VERBOSE equals 0 then the above command will be hidden.
-# If KBUILD_VERBOSE equals 1 then the above command is displayed.
-
-ifeq ($(KBUILD_VERBOSE),1)
-  quiet =
-  Q =
-else
-  quiet=quiet_
-  Q = @
-endif
-
-# If the user is running make -s (silent mode), suppress echoing of
-# commands
-
-ifneq ($(filter 4.%,$(MAKE_VERSION)),)	# make-4
-ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)
-  quiet=silent_
-endif
-else					# make-3.8x
-ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
-  quiet=silent_
-endif
-endif
-
-export quiet Q KBUILD_VERBOSE
-
 ifneq ($(CC),)
 ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1)
 COMPILER := clang
@@ -1173,7 +1176,7 @@ distclean: mrproper
 # Packaging of the kernel to various formats
 # ---------------------------------------------------------------------------
 # rpm target kept for backward compatibility
-package-dir	:= $(srctree)/scripts/package
+package-dir	:= scripts/package
 
 %src-pkg: FORCE
 	$(Q)$(MAKE) $(build)=$(package-dir) $@

+ 1 - 0
arch/arm/Kconfig

@@ -6,6 +6,7 @@ config ARM
 	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
 	select ARCH_HAVE_CUSTOM_GPIO_H
 	select ARCH_MIGHT_HAVE_PC_PARPORT
+	select ARCH_SUPPORTS_ATOMIC_RMW
 	select ARCH_USE_BUILTIN_BSWAP
 	select ARCH_USE_CMPXCHG_LOCKREF
 	select ARCH_WANT_IPC_PARSE_VERSION

+ 2 - 2
arch/arm/boot/dts/am335x-evm.dts

@@ -529,8 +529,8 @@
 		serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
 			0 0 1 2
 		>;
-		tx-num-evt = <1>;
-		rx-num-evt = <1>;
+		tx-num-evt = <32>;
+		rx-num-evt = <32>;
 };
 
 &tps {

+ 2 - 2
arch/arm/boot/dts/am335x-evmsk.dts

@@ -560,8 +560,8 @@
 		serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
 			0 0 1 2
 		>;
-		tx-num-evt = <1>;
-		rx-num-evt = <1>;
+		tx-num-evt = <32>;
+		rx-num-evt = <32>;
 };
 
 &tscadc {

+ 6 - 0
arch/arm/boot/dts/am335x-igep0033.dtsi

@@ -105,10 +105,16 @@
 
 &cpsw_emac0 {
 	phy_id = <&davinci_mdio>, <0>;
+	phy-mode = "rmii";
 };
 
 &cpsw_emac1 {
 	phy_id = <&davinci_mdio>, <1>;
+	phy-mode = "rmii";
+};
+
+&phy_sel {
+	rmii-clock-ext;
 };
 
 &elm {

+ 1 - 1
arch/arm/boot/dts/at91sam9n12.dtsi

@@ -925,7 +925,7 @@
 			compatible = "atmel,at91rm9200-ohci", "usb-ohci";
 			reg = <0x00500000 0x00100000>;
 			interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>;
-			clocks = <&usb>, <&uhphs_clk>, <&udphs_clk>,
+			clocks = <&usb>, <&uhphs_clk>, <&uhphs_clk>,
 				 <&uhpck>;
 			clock-names = "usb_clk", "ohci_clk", "hclk", "uhpck";
 			status = "disabled";

+ 4 - 2
arch/arm/boot/dts/at91sam9x5.dtsi

@@ -1045,6 +1045,8 @@
 				reg = <0x00500000 0x80000
 				       0xf803c000 0x400>;
 				interrupts = <23 IRQ_TYPE_LEVEL_HIGH 0>;
+				clocks = <&usb>, <&udphs_clk>;
+				clock-names = "hclk", "pclk";
 				status = "disabled";
 
 				ep0 {
@@ -1122,6 +1124,7 @@
 				compatible = "atmel,at91sam9rl-pwm";
 				reg = <0xf8034000 0x300>;
 				interrupts = <18 IRQ_TYPE_LEVEL_HIGH 4>;
+				clocks = <&pwm_clk>;
 				#pwm-cells = <3>;
 				status = "disabled";
 			};
@@ -1153,8 +1156,7 @@
 			compatible = "atmel,at91rm9200-ohci", "usb-ohci";
 			reg = <0x00600000 0x100000>;
 			interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>;
-			clocks = <&usb>, <&uhphs_clk>, <&udphs_clk>,
-				 <&uhpck>;
+			clocks = <&usb>, <&uhphs_clk>, <&uhphs_clk>, <&uhpck>;
 			clock-names = "usb_clk", "ohci_clk", "hclk", "uhpck";
 			status = "disabled";
 		};

+ 1 - 0
arch/arm/boot/dts/dra7-evm.dts

@@ -240,6 +240,7 @@
 					regulator-name = "ldo3";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
+					regulator-always-on;
 					regulator-boot-on;
 				};
 

+ 6 - 4
arch/arm/boot/dts/dra7xx-clocks.dtsi

@@ -673,10 +673,12 @@
 
 	l3_iclk_div: l3_iclk_div {
 		#clock-cells = <0>;
-		compatible = "fixed-factor-clock";
+		compatible = "ti,divider-clock";
+		ti,max-div = <2>;
+		ti,bit-shift = <4>;
+		reg = <0x0100>;
 		clocks = <&dpll_core_h12x2_ck>;
-		clock-mult = <1>;
-		clock-div = <1>;
+		ti,index-power-of-two;
 	};
 
 	l4_root_clk_div: l4_root_clk_div {
@@ -684,7 +686,7 @@
 		compatible = "fixed-factor-clock";
 		clocks = <&l3_iclk_div>;
 		clock-mult = <1>;
-		clock-div = <1>;
+		clock-div = <2>;
 	};
 
 	video1_clk2_div: video1_clk2_div {

+ 1 - 1
arch/arm/boot/dts/exynos4.dtsi

@@ -554,7 +554,7 @@
 		interrupts = <0 37 0>, <0 38 0>, <0 39 0>, <0 40 0>, <0 41 0>;
 		clocks = <&clock CLK_PWM>;
 		clock-names = "timers";
-		#pwm-cells = <2>;
+		#pwm-cells = <3>;
 		status = "disabled";
 	};
 

+ 4 - 1
arch/arm/boot/dts/exynos5420.dtsi

@@ -167,7 +167,7 @@
 		compatible = "samsung,exynos5420-audss-clock";
 		reg = <0x03810000 0x0C>;
 		#clock-cells = <1>;
-		clocks = <&clock CLK_FIN_PLL>, <&clock CLK_FOUT_EPLL>,
+		clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MAU_EPLL>,
 			 <&clock CLK_SCLK_MAUDIO0>, <&clock CLK_SCLK_MAUPCM0>;
 		clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in";
 	};
@@ -260,6 +260,9 @@
 	mfc_pd: power-domain@10044060 {
 		compatible = "samsung,exynos4210-pd";
 		reg = <0x10044060 0x20>;
+		clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MOUT_SW_ACLK333>,
+			<&clock CLK_MOUT_USER_ACLK333>;
+		clock-names = "oscclk", "pclk0", "clk0";
 	};
 
 	disp_pd: power-domain@100440C0 {

+ 20 - 10
arch/arm/kernel/kprobes-test-arm.c

@@ -74,8 +74,6 @@ void kprobe_arm_test_cases(void)
 	TEST_RRR( op "lt" s "	r11, r",11,VAL1,", r",14,N(val),", asr r",7, 6,"")\
 	TEST_RR(  op "gt" s "	r12, r13"       ", r",14,val, ", ror r",14,7,"")\
 	TEST_RR(  op "le" s "	r14, r",0, val, ", r13"       ", lsl r",14,8,"")\
-	TEST_RR(  op s "	r12, pc"        ", r",14,val, ", ror r",14,7,"")\
-	TEST_RR(  op s "	r14, r",0, val, ", pc"        ", lsl r",14,8,"")\
 	TEST_R(   op "eq" s "	r0,  r",11,VAL1,", #0xf5")			\
 	TEST_R(   op "ne" s "	r11, r",0, VAL1,", #0xf5000000")		\
 	TEST_R(   op s "	r7,  r",8, VAL2,", #0x000af000")		\
@@ -103,8 +101,6 @@ void kprobe_arm_test_cases(void)
 	TEST_RRR( op "ge	r",11,VAL1,", r",14,N(val),", asr r",7, 6,"")	\
 	TEST_RR(  op "le	r13"       ", r",14,val, ", ror r",14,7,"")	\
 	TEST_RR(  op "gt	r",0, val, ", r13"       ", lsl r",14,8,"")	\
-	TEST_RR(  op "	pc"        ", r",14,val, ", ror r",14,7,"")		\
-	TEST_RR(  op "	r",0, val, ", pc"        ", lsl r",14,8,"")		\
 	TEST_R(   op "eq	r",11,VAL1,", #0xf5")				\
 	TEST_R(   op "ne	r",0, VAL1,", #0xf5000000")			\
 	TEST_R(   op "	r",8, VAL2,", #0x000af000")
@@ -125,7 +121,6 @@ void kprobe_arm_test_cases(void)
 	TEST_RR(  op "ge" s "	r11, r",11,N(val),", asr r",7, 6,"")	\
 	TEST_RR(  op "lt" s "	r12, r",11,val, ", ror r",14,7,"")	\
 	TEST_R(   op "gt" s "	r14, r13"       ", lsl r",14,8,"")	\
-	TEST_R(   op "le" s "	r14, pc"        ", lsl r",14,8,"")	\
 	TEST(     op "eq" s "	r0,  #0xf5")				\
 	TEST(     op "ne" s "	r11, #0xf5000000")			\
 	TEST(     op s "	r7,  #0x000af000")			\
@@ -159,12 +154,19 @@ void kprobe_arm_test_cases(void)
 	TEST_SUPPORTED("cmp	pc, #0x1000");
 	TEST_SUPPORTED("cmp	sp, #0x1000");
 
-	/* Data-processing with PC as shift*/
+	/* Data-processing with PC and a shift count in a register */
 	TEST_UNSUPPORTED(__inst_arm(0xe15c0f1e) "	@ cmp	r12, r14, asl pc")
 	TEST_UNSUPPORTED(__inst_arm(0xe1a0cf1e) "	@ mov	r12, r14, asl pc")
 	TEST_UNSUPPORTED(__inst_arm(0xe08caf1e) "	@ add	r10, r12, r14, asl pc")
-
-	/* Data-processing with PC as shift*/
+	TEST_UNSUPPORTED(__inst_arm(0xe151021f) "	@ cmp	r1, pc, lsl r2")
+	TEST_UNSUPPORTED(__inst_arm(0xe17f0211) "	@ cmn	pc, r1, lsl r2")
+	TEST_UNSUPPORTED(__inst_arm(0xe1a0121f) "	@ mov	r1, pc, lsl r2")
+	TEST_UNSUPPORTED(__inst_arm(0xe1a0f211) "	@ mov	pc, r1, lsl r2")
+	TEST_UNSUPPORTED(__inst_arm(0xe042131f) "	@ sub	r1, r2, pc, lsl r3")
+	TEST_UNSUPPORTED(__inst_arm(0xe1cf1312) "	@ bic	r1, pc, r2, lsl r3")
+	TEST_UNSUPPORTED(__inst_arm(0xe081f312) "	@ add	pc, r1, r2, lsl r3")
+
+	/* Data-processing with PC as a target and status registers updated */
 	TEST_UNSUPPORTED("movs	pc, r1")
 	TEST_UNSUPPORTED("movs	pc, r1, lsl r2")
 	TEST_UNSUPPORTED("movs	pc, #0x10000")
@@ -187,14 +189,14 @@ void kprobe_arm_test_cases(void)
 	TEST_BF_R ("add	pc, pc, r",14,2f-1f-8,"")
 	TEST_BF_R ("add	pc, r",14,2f-1f-8,", pc")
 	TEST_BF_R ("mov	pc, r",0,2f,"")
-	TEST_BF_RR("mov	pc, r",0,2f,", asl r",1,0,"")
+	TEST_BF_R ("add	pc, pc, r",14,(2f-1f-8)*2,", asr #1")
 	TEST_BB(   "sub	pc, pc, #1b-2b+8")
 #if __LINUX_ARM_ARCH__ == 6 && !defined(CONFIG_CPU_V7)
 	TEST_BB(   "sub	pc, pc, #1b-2b+8-2") /* UNPREDICTABLE before and after ARMv6 */
 #endif
 	TEST_BB_R( "sub	pc, pc, r",14, 1f-2f+8,"")
 	TEST_BB_R( "rsb	pc, r",14,1f-2f+8,", pc")
-	TEST_RR(   "add	pc, pc, r",10,-2,", asl r",11,1,"")
+	TEST_R(    "add	pc, pc, r",10,-2,", asl #1")
 #ifdef CONFIG_THUMB2_KERNEL
 	TEST_ARM_TO_THUMB_INTERWORK_R("add	pc, pc, r",0,3f-1f-8+1,"")
 	TEST_ARM_TO_THUMB_INTERWORK_R("sub	pc, r",0,3f+8+1,", #8")
@@ -216,6 +218,7 @@ void kprobe_arm_test_cases(void)
 	TEST_BB_R("bx	r",7,2f,"")
 	TEST_BF_R("bxeq	r",14,2f,"")
 
+#if __LINUX_ARM_ARCH__ >= 5
 	TEST_R("clz	r0, r",0, 0x0,"")
 	TEST_R("clzeq	r7, r",14,0x1,"")
 	TEST_R("clz	lr, r",7, 0xffffffff,"")
@@ -337,6 +340,7 @@ void kprobe_arm_test_cases(void)
 	TEST_UNSUPPORTED(__inst_arm(0xe16f02e1) " @ smultt pc, r1, r2")
 	TEST_UNSUPPORTED(__inst_arm(0xe16002ef) " @ smultt r0, pc, r2")
 	TEST_UNSUPPORTED(__inst_arm(0xe1600fe1) " @ smultt r0, r1, pc")
+#endif
 
 	TEST_GROUP("Multiply and multiply-accumulate")
 
@@ -559,6 +563,7 @@ void kprobe_arm_test_cases(void)
 	TEST_UNSUPPORTED("ldrsht	r1, [r2], #48")
 #endif
 
+#if __LINUX_ARM_ARCH__ >= 5
 	TEST_RPR(  "strd	r",0, VAL1,", [r",1, 48,", -r",2,24,"]")
 	TEST_RPR(  "strccd	r",8, VAL2,", [r",13,0, ", r",12,48,"]")
 	TEST_RPR(  "strd	r",4, VAL1,", [r",2, 24,", r",3, 48,"]!")
@@ -595,6 +600,7 @@ void kprobe_arm_test_cases(void)
 	TEST_UNSUPPORTED(__inst_arm(0xe1efc3d0) "	@ ldrd r12, [pc, #48]!")
 	TEST_UNSUPPORTED(__inst_arm(0xe0c9f3d0) "	@ ldrd pc, [r9], #48")
 	TEST_UNSUPPORTED(__inst_arm(0xe0c9e3d0) "	@ ldrd lr, [r9], #48")
+#endif
 
 	TEST_GROUP("Miscellaneous")
 
@@ -1227,7 +1233,9 @@ void kprobe_arm_test_cases(void)
 	TEST_COPROCESSOR( "mrc"two"	0, 0, r0, cr0, cr0, 0")
 
 	COPROCESSOR_INSTRUCTIONS_ST_LD("",e)
+#if __LINUX_ARM_ARCH__ >= 5
 	COPROCESSOR_INSTRUCTIONS_MC_MR("",e)
+#endif
 	TEST_UNSUPPORTED("svc	0")
 	TEST_UNSUPPORTED("svc	0xffffff")
 
@@ -1287,7 +1295,9 @@ void kprobe_arm_test_cases(void)
 	TEST(	"blx	__dummy_thumb_subroutine_odd")
 #endif /* __LINUX_ARM_ARCH__ >= 6 */
 
+#if __LINUX_ARM_ARCH__ >= 5
 	COPROCESSOR_INSTRUCTIONS_ST_LD("2",f)
+#endif
 #if __LINUX_ARM_ARCH__ >= 6
 	COPROCESSOR_INSTRUCTIONS_MC_MR("2",f)
 #endif

+ 10 - 0
arch/arm/kernel/kprobes-test.c

@@ -225,6 +225,7 @@ static int pre_handler_called;
 static int post_handler_called;
 static int jprobe_func_called;
 static int kretprobe_handler_called;
+static int tests_failed;
 
 #define FUNC_ARG1 0x12345678
 #define FUNC_ARG2 0xabcdef
@@ -461,6 +462,13 @@ static int run_api_tests(long (*func)(long, long))
 
 	pr_info("    jprobe\n");
 	ret = test_jprobe(func);
+#if defined(CONFIG_THUMB2_KERNEL) && !defined(MODULE)
+	if (ret == -EINVAL) {
+		pr_err("FAIL: Known longtime bug with jprobe on Thumb kernels\n");
+		tests_failed = ret;
+		ret = 0;
+	}
+#endif
 	if (ret < 0)
 		return ret;
 
@@ -1671,6 +1679,8 @@ static int __init run_all_tests(void)
 #endif
 
 out:
+	if (ret == 0)
+		ret = tests_failed;
 	if (ret == 0)
 		pr_info("Finished kprobe tests OK\n");
 	else

+ 3 - 3
arch/arm/kernel/probes-arm.c

@@ -341,12 +341,12 @@ static const union decode_item arm_cccc_000x_table[] = {
 	/* CMP (reg-shift reg)	cccc 0001 0101 xxxx xxxx xxxx 0xx1 xxxx */
 	/* CMN (reg-shift reg)	cccc 0001 0111 xxxx xxxx xxxx 0xx1 xxxx */
 	DECODE_EMULATEX	(0x0f900090, 0x01100010, PROBES_DATA_PROCESSING_REG,
-						 REGS(ANY, 0, NOPC, 0, ANY)),
+						 REGS(NOPC, 0, NOPC, 0, NOPC)),
 
 	/* MOV (reg-shift reg)	cccc 0001 101x xxxx xxxx xxxx 0xx1 xxxx */
 	/* MVN (reg-shift reg)	cccc 0001 111x xxxx xxxx xxxx 0xx1 xxxx */
 	DECODE_EMULATEX	(0x0fa00090, 0x01a00010, PROBES_DATA_PROCESSING_REG,
-						 REGS(0, ANY, NOPC, 0, ANY)),
+						 REGS(0, NOPC, NOPC, 0, NOPC)),
 
 	/* AND (reg-shift reg)	cccc 0000 000x xxxx xxxx xxxx 0xx1 xxxx */
 	/* EOR (reg-shift reg)	cccc 0000 001x xxxx xxxx xxxx 0xx1 xxxx */
@@ -359,7 +359,7 @@ static const union decode_item arm_cccc_000x_table[] = {
 	/* ORR (reg-shift reg)	cccc 0001 100x xxxx xxxx xxxx 0xx1 xxxx */
 	/* BIC (reg-shift reg)	cccc 0001 110x xxxx xxxx xxxx 0xx1 xxxx */
 	DECODE_EMULATEX	(0x0e000090, 0x00000010, PROBES_DATA_PROCESSING_REG,
-						 REGS(ANY, ANY, NOPC, 0, ANY)),
+						 REGS(NOPC, NOPC, NOPC, 0, NOPC)),
 
 	DECODE_END
 };

+ 1 - 1
arch/arm/kernel/topology.c

@@ -275,7 +275,7 @@ void store_cpu_topology(unsigned int cpuid)
 		cpu_topology[cpuid].socket_id, mpidr);
 }
 
-static inline const int cpu_corepower_flags(void)
+static inline int cpu_corepower_flags(void)
 {
 	return SD_SHARE_PKG_RESOURCES  | SD_SHARE_POWERDOMAIN;
 }

+ 3 - 5
arch/arm/mach-exynos/exynos.c

@@ -173,10 +173,8 @@ static struct platform_device exynos_cpuidle = {
 
 void __init exynos_cpuidle_init(void)
 {
-	if (soc_is_exynos5440())
-		return;
-
-	platform_device_register(&exynos_cpuidle);
+	if (soc_is_exynos4210() || soc_is_exynos5250())
+		platform_device_register(&exynos_cpuidle);
 }
 
 void __init exynos_cpufreq_init(void)
@@ -297,7 +295,7 @@ static void __init exynos_dt_machine_init(void)
 	 * This is called from smp_prepare_cpus if we've built for SMP, but
 	 * we still need to set it up for PM and firmware ops if not.
 	 */
-	if (!IS_ENABLED(SMP))
+	if (!IS_ENABLED(CONFIG_SMP))
 		exynos_sysram_init();
 
 	exynos_cpuidle_init();

+ 7 - 2
arch/arm/mach-exynos/firmware.c

@@ -57,8 +57,13 @@ static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
 
 	boot_reg = sysram_ns_base_addr + 0x1c;
 
-	if (!soc_is_exynos4212() && !soc_is_exynos3250())
-		boot_reg += 4*cpu;
+	/*
+	 * Almost all Exynos-series of SoCs that run in secure mode don't need
+	 * additional offset for every CPU, with Exynos4412 being the only
+	 * exception.
+	 */
+	if (soc_is_exynos4412())
+		boot_reg += 4 * cpu;
 
 	__raw_writel(boot_addr, boot_reg);
 	return 0;

+ 6 - 4
arch/arm/mach-exynos/hotplug.c

@@ -40,15 +40,17 @@ static inline void cpu_leave_lowpower(void)
 
 static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
 {
+	u32 mpidr = cpu_logical_map(cpu);
+	u32 core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0);
+
 	for (;;) {
 
-		/* make cpu1 to be turned off at next WFI command */
-		if (cpu == 1)
-			exynos_cpu_power_down(cpu);
+		/* Turn the CPU off on next WFI instruction. */
+		exynos_cpu_power_down(core_id);
 
 		wfi();
 
-		if (pen_release == cpu_logical_map(cpu)) {
+		if (pen_release == core_id) {
 			/*
 			 * OK, proper wakeup, we're done
 			 */

+ 19 - 15
arch/arm/mach-exynos/platsmp.c

@@ -90,7 +90,8 @@ static void exynos_secondary_init(unsigned int cpu)
 static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle)
 {
 	unsigned long timeout;
-	unsigned long phys_cpu = cpu_logical_map(cpu);
+	u32 mpidr = cpu_logical_map(cpu);
+	u32 core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0);
 	int ret = -ENOSYS;
 
 	/*
@@ -104,17 +105,18 @@ static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle)
 	 * the holding pen - release it, then wait for it to flag
 	 * that it has been released by resetting pen_release.
 	 *
-	 * Note that "pen_release" is the hardware CPU ID, whereas
+	 * Note that "pen_release" is the hardware CPU core ID, whereas
 	 * "cpu" is Linux's internal ID.
 	 */
-	write_pen_release(phys_cpu);
+	write_pen_release(core_id);
 
-	if (!exynos_cpu_power_state(cpu)) {
-		exynos_cpu_power_up(cpu);
+	if (!exynos_cpu_power_state(core_id)) {
+		exynos_cpu_power_up(core_id);
 		timeout = 10;
 
 		/* wait max 10 ms until cpu1 is on */
-		while (exynos_cpu_power_state(cpu) != S5P_CORE_LOCAL_PWR_EN) {
+		while (exynos_cpu_power_state(core_id)
+		       != S5P_CORE_LOCAL_PWR_EN) {
 			if (timeout-- == 0)
 				break;
 
@@ -145,20 +147,20 @@ static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle)
 		 * Try to set boot address using firmware first
 		 * and fall back to boot register if it fails.
 		 */
-		ret = call_firmware_op(set_cpu_boot_addr, phys_cpu, boot_addr);
+		ret = call_firmware_op(set_cpu_boot_addr, core_id, boot_addr);
 		if (ret && ret != -ENOSYS)
 			goto fail;
 		if (ret == -ENOSYS) {
-			void __iomem *boot_reg = cpu_boot_reg(phys_cpu);
+			void __iomem *boot_reg = cpu_boot_reg(core_id);
 
 			if (IS_ERR(boot_reg)) {
 				ret = PTR_ERR(boot_reg);
 				goto fail;
 			}
-			__raw_writel(boot_addr, cpu_boot_reg(phys_cpu));
+			__raw_writel(boot_addr, cpu_boot_reg(core_id));
 		}
 
-		call_firmware_op(cpu_boot, phys_cpu);
+		call_firmware_op(cpu_boot, core_id);
 
 		arch_send_wakeup_ipi_mask(cpumask_of(cpu));
 
@@ -227,22 +229,24 @@ static void __init exynos_smp_prepare_cpus(unsigned int max_cpus)
 	 * boot register if it fails.
 	 */
 	for (i = 1; i < max_cpus; ++i) {
-		unsigned long phys_cpu;
 		unsigned long boot_addr;
+		u32 mpidr;
+		u32 core_id;
 		int ret;
 
-		phys_cpu = cpu_logical_map(i);
+		mpidr = cpu_logical_map(i);
+		core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0);
 		boot_addr = virt_to_phys(exynos4_secondary_startup);
 
-		ret = call_firmware_op(set_cpu_boot_addr, phys_cpu, boot_addr);
+		ret = call_firmware_op(set_cpu_boot_addr, core_id, boot_addr);
 		if (ret && ret != -ENOSYS)
 			break;
 		if (ret == -ENOSYS) {
-			void __iomem *boot_reg = cpu_boot_reg(phys_cpu);
+			void __iomem *boot_reg = cpu_boot_reg(core_id);
 
 			if (IS_ERR(boot_reg))
 				break;
-			__raw_writel(boot_addr, cpu_boot_reg(phys_cpu));
+			__raw_writel(boot_addr, cpu_boot_reg(core_id));
 		}
 	}
 }

+ 60 - 1
arch/arm/mach-exynos/pm_domains.c

@@ -17,6 +17,7 @@
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/pm_domain.h>
+#include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/of_address.h>
 #include <linux/of_platform.h>
@@ -24,6 +25,8 @@
 
 #include "regs-pmu.h"
 
+#define MAX_CLK_PER_DOMAIN	4
+
 /*
  * Exynos specific wrapper around the generic power domain
  */
@@ -32,6 +35,9 @@ struct exynos_pm_domain {
 	char const *name;
 	bool is_off;
 	struct generic_pm_domain pd;
+	struct clk *oscclk;
+	struct clk *clk[MAX_CLK_PER_DOMAIN];
+	struct clk *pclk[MAX_CLK_PER_DOMAIN];
 };
 
 static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on)
@@ -44,6 +50,19 @@ static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on)
 	pd = container_of(domain, struct exynos_pm_domain, pd);
 	base = pd->base;
 
+	/* Set oscclk before powering off a domain*/
+	if (!power_on) {
+		int i;
+
+		for (i = 0; i < MAX_CLK_PER_DOMAIN; i++) {
+			if (IS_ERR(pd->clk[i]))
+				break;
+			if (clk_set_parent(pd->clk[i], pd->oscclk))
+				pr_err("%s: error setting oscclk as parent to clock %d\n",
+						pd->name, i);
+		}
+	}
+
 	pwr = power_on ? S5P_INT_LOCAL_PWR_EN : 0;
 	__raw_writel(pwr, base);
 
@@ -60,6 +79,20 @@ static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on)
 		cpu_relax();
 		usleep_range(80, 100);
 	}
+
+	/* Restore clocks after powering on a domain*/
+	if (power_on) {
+		int i;
+
+		for (i = 0; i < MAX_CLK_PER_DOMAIN; i++) {
+			if (IS_ERR(pd->clk[i]))
+				break;
+			if (clk_set_parent(pd->clk[i], pd->pclk[i]))
+				pr_err("%s: error setting parent to clock%d\n",
+						pd->name, i);
+		}
+	}
+
 	return 0;
 }
 
@@ -152,9 +185,11 @@ static __init int exynos4_pm_init_power_domain(void)
 
 	for_each_compatible_node(np, NULL, "samsung,exynos4210-pd") {
 		struct exynos_pm_domain *pd;
-		int on;
+		int on, i;
+		struct device *dev;
 
 		pdev = of_find_device_by_node(np);
+		dev = &pdev->dev;
 
 		pd = kzalloc(sizeof(*pd), GFP_KERNEL);
 		if (!pd) {
@@ -170,6 +205,30 @@ static __init int exynos4_pm_init_power_domain(void)
 		pd->pd.power_on = exynos_pd_power_on;
 		pd->pd.of_node = np;
 
+		pd->oscclk = clk_get(dev, "oscclk");
+		if (IS_ERR(pd->oscclk))
+			goto no_clk;
+
+		for (i = 0; i < MAX_CLK_PER_DOMAIN; i++) {
+			char clk_name[8];
+
+			snprintf(clk_name, sizeof(clk_name), "clk%d", i);
+			pd->clk[i] = clk_get(dev, clk_name);
+			if (IS_ERR(pd->clk[i]))
+				break;
+			snprintf(clk_name, sizeof(clk_name), "pclk%d", i);
+			pd->pclk[i] = clk_get(dev, clk_name);
+			if (IS_ERR(pd->pclk[i])) {
+				clk_put(pd->clk[i]);
+				pd->clk[i] = ERR_PTR(-EINVAL);
+				break;
+			}
+		}
+
+		if (IS_ERR(pd->clk[0]))
+			clk_put(pd->oscclk);
+
+no_clk:
 		platform_set_drvdata(pdev, pd);
 
 		on = __raw_readl(pd->base + 0x4) & S5P_INT_LOCAL_PWR_EN;

+ 23 - 8
arch/arm/mach-imx/clk-gate2.c

@@ -67,8 +67,12 @@ static void clk_gate2_disable(struct clk_hw *hw)
 
 	spin_lock_irqsave(gate->lock, flags);
 
-	if (gate->share_count && --(*gate->share_count) > 0)
-		goto out;
+	if (gate->share_count) {
+		if (WARN_ON(*gate->share_count == 0))
+			goto out;
+		else if (--(*gate->share_count) > 0)
+			goto out;
+	}
 
 	reg = readl(gate->reg);
 	reg &= ~(3 << gate->bit_idx);
@@ -78,19 +82,26 @@ out:
 	spin_unlock_irqrestore(gate->lock, flags);
 }
 
-static int clk_gate2_is_enabled(struct clk_hw *hw)
+static int clk_gate2_reg_is_enabled(void __iomem *reg, u8 bit_idx)
 {
-	u32 reg;
-	struct clk_gate2 *gate = to_clk_gate2(hw);
+	u32 val = readl(reg);
 
-	reg = readl(gate->reg);
-
-	if (((reg >> gate->bit_idx) & 1) == 1)
+	if (((val >> bit_idx) & 1) == 1)
 		return 1;
 
 	return 0;
 }
 
+static int clk_gate2_is_enabled(struct clk_hw *hw)
+{
+	struct clk_gate2 *gate = to_clk_gate2(hw);
+
+	if (gate->share_count)
+		return !!(*gate->share_count);
+	else
+		return clk_gate2_reg_is_enabled(gate->reg, gate->bit_idx);
+}
+
 static struct clk_ops clk_gate2_ops = {
 	.enable = clk_gate2_enable,
 	.disable = clk_gate2_disable,
@@ -116,6 +127,10 @@ struct clk *clk_register_gate2(struct device *dev, const char *name,
 	gate->bit_idx = bit_idx;
 	gate->flags = clk_gate2_flags;
 	gate->lock = lock;
+
+	/* Initialize share_count per hardware state */
+	if (share_count)
+		*share_count = clk_gate2_reg_is_enabled(reg, bit_idx) ? 1 : 0;
 	gate->share_count = share_count;
 
 	init.name = name;

+ 2 - 2
arch/arm/mach-imx/clk-imx6q.c

@@ -70,7 +70,7 @@ static const char *cko_sels[] = { "cko1", "cko2", };
 static const char *lvds_sels[] = {
 	"dummy", "dummy", "dummy", "dummy", "dummy", "dummy",
 	"pll4_audio", "pll5_video", "pll8_mlb", "enet_ref",
-	"pcie_ref", "sata_ref",
+	"pcie_ref_125m", "sata_ref_100m",
 };
 
 enum mx6q_clks {
@@ -491,7 +491,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
 
 	/* All existing boards with PCIe use LVDS1 */
 	if (IS_ENABLED(CONFIG_PCI_IMX6))
-		clk_set_parent(clk[lvds1_sel], clk[sata_ref]);
+		clk_set_parent(clk[lvds1_sel], clk[sata_ref_100m]);
 
 	/* Set initial power mode */
 	imx6q_set_lpm(WAIT_CLOCKED);

+ 5 - 1
arch/arm/mach-mvebu/coherency.c

@@ -292,6 +292,10 @@ static struct notifier_block mvebu_hwcc_nb = {
 	.notifier_call = mvebu_hwcc_notifier,
 };
 
+static struct notifier_block mvebu_hwcc_pci_nb = {
+	.notifier_call = mvebu_hwcc_notifier,
+};
+
 static void __init armada_370_coherency_init(struct device_node *np)
 {
 	struct resource res;
@@ -427,7 +431,7 @@ static int __init coherency_pci_init(void)
 {
 	if (coherency_available())
 		bus_register_notifier(&pci_bus_type,
-				       &mvebu_hwcc_nb);
+				       &mvebu_hwcc_pci_nb);
 	return 0;
 }
 

+ 8 - 1
arch/arm/mach-mvebu/headsmp-a9.S

@@ -15,6 +15,8 @@
 #include <linux/linkage.h>
 #include <linux/init.h>
 
+#include <asm/assembler.h>
+
 	__CPUINIT
 #define CPU_RESUME_ADDR_REG 0xf10182d4
 
@@ -22,13 +24,18 @@
 .global armada_375_smp_cpu1_enable_code_end
 
 armada_375_smp_cpu1_enable_code_start:
-	ldr     r0, [pc, #4]
+ARM_BE8(setend	be)
+	adr     r0, 1f
+	ldr	r0, [r0]
 	ldr     r1, [r0]
+ARM_BE8(rev	r1, r1)
 	mov     pc, r1
+1:
 	.word   CPU_RESUME_ADDR_REG
 armada_375_smp_cpu1_enable_code_end:
 
 ENTRY(mvebu_cortex_a9_secondary_startup)
+ARM_BE8(setend	be)
 	bl      v7_invalidate_l1
 	b	secondary_startup
 ENDPROC(mvebu_cortex_a9_secondary_startup)

+ 5 - 5
arch/arm/mach-mvebu/pmsu.c

@@ -201,12 +201,12 @@ static noinline int do_armada_370_xp_cpu_suspend(unsigned long deepidle)
 
 	/* Test the CR_C bit and set it if it was cleared */
 	asm volatile(
-	"mrc	p15, 0, %0, c1, c0, 0 \n\t"
-	"tst	%0, #(1 << 2) \n\t"
-	"orreq	%0, %0, #(1 << 2) \n\t"
-	"mcreq	p15, 0, %0, c1, c0, 0 \n\t"
+	"mrc	p15, 0, r0, c1, c0, 0 \n\t"
+	"tst	r0, #(1 << 2) \n\t"
+	"orreq	r0, r0, #(1 << 2) \n\t"
+	"mcreq	p15, 0, r0, c1, c0, 0 \n\t"
 	"isb	"
-	: : "r" (0));
+	: : : "r0");
 
 	pr_warn("Failed to suspend the system\n");
 

+ 1 - 1
arch/arm/mach-omap2/clkt_dpll.c

@@ -76,7 +76,7 @@
  * (assuming that it is counting N upwards), or -2 if the enclosing loop
  * should skip to the next iteration (again assuming N is increasing).
  */
-static int _dpll_test_fint(struct clk_hw_omap *clk, u8 n)
+static int _dpll_test_fint(struct clk_hw_omap *clk, unsigned int n)
 {
 	struct dpll_data *dd;
 	long fint, fint_min, fint_max;

+ 3 - 0
arch/arm/mach-omap2/cm-regbits-34xx.h

@@ -26,11 +26,14 @@
 #define OMAP3430_EN_WDT3_SHIFT				12
 #define OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_MASK		(1 << 0)
 #define OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_SHIFT		0
+#define OMAP3430_IVA2_DPLL_FREQSEL_SHIFT		4
 #define OMAP3430_IVA2_DPLL_FREQSEL_MASK			(0xf << 4)
 #define OMAP3430_EN_IVA2_DPLL_DRIFTGUARD_SHIFT		3
+#define OMAP3430_EN_IVA2_DPLL_SHIFT			0
 #define OMAP3430_EN_IVA2_DPLL_MASK			(0x7 << 0)
 #define OMAP3430_ST_IVA2_SHIFT				0
 #define OMAP3430_ST_IVA2_CLK_MASK			(1 << 0)
+#define OMAP3430_AUTO_IVA2_DPLL_SHIFT			0
 #define OMAP3430_AUTO_IVA2_DPLL_MASK			(0x7 << 0)
 #define OMAP3430_IVA2_CLK_SRC_SHIFT			19
 #define OMAP3430_IVA2_CLK_SRC_WIDTH			3

+ 2 - 1
arch/arm/mach-omap2/common.h

@@ -162,7 +162,8 @@ static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
 }
 #endif
 
-#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
+#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
+	defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM43XX)
 void omap44xx_restart(enum reboot_mode mode, const char *cmd);
 #else
 static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd)

+ 0 - 28
arch/arm/mach-omap2/devices.c

@@ -297,33 +297,6 @@ static void omap_init_audio(void)
 static inline void omap_init_audio(void) {}
 #endif
 
-#if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \
-		defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE)
-
-static struct platform_device omap_hdmi_audio = {
-	.name	= "omap-hdmi-audio",
-	.id	= -1,
-};
-
-static void __init omap_init_hdmi_audio(void)
-{
-	struct omap_hwmod *oh;
-	struct platform_device *pdev;
-
-	oh = omap_hwmod_lookup("dss_hdmi");
-	if (!oh)
-		return;
-
-	pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0);
-	WARN(IS_ERR(pdev),
-	     "Can't build omap_device for omap-hdmi-audio-dai.\n");
-
-	platform_device_register(&omap_hdmi_audio);
-}
-#else
-static inline void omap_init_hdmi_audio(void) {}
-#endif
-
 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
 
 #include <linux/platform_data/spi-omap2-mcspi.h>
@@ -459,7 +432,6 @@ static int __init omap2_init_devices(void)
 	 */
 	omap_init_audio();
 	omap_init_camera();
-	omap_init_hdmi_audio();
 	omap_init_mbox();
 	/* If dtb is there, the devices will be created dynamically */
 	if (!of_have_populated_dt()) {

+ 10 - 0
arch/arm/mach-omap2/dsp.c

@@ -29,6 +29,7 @@
 #ifdef CONFIG_TIDSPBRIDGE_DVFS
 #include "omap-pm.h"
 #endif
+#include "soc.h"
 
 #include <linux/platform_data/dsp-omap.h>
 
@@ -59,6 +60,9 @@ void __init omap_dsp_reserve_sdram_memblock(void)
 	phys_addr_t size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE;
 	phys_addr_t paddr;
 
+	if (!cpu_is_omap34xx())
+		return;
+
 	if (!size)
 		return;
 
@@ -83,6 +87,9 @@ static int __init omap_dsp_init(void)
 	int err = -ENOMEM;
 	struct omap_dsp_platform_data *pdata = &omap_dsp_pdata;
 
+	if (!cpu_is_omap34xx())
+		return 0;
+
 	pdata->phys_mempool_base = omap_dsp_get_mempool_base();
 
 	if (pdata->phys_mempool_base) {
@@ -115,6 +122,9 @@ module_init(omap_dsp_init);
 
 static void __exit omap_dsp_exit(void)
 {
+	if (!cpu_is_omap34xx())
+		return;
+
 	platform_device_unregister(omap_dsp_pdev);
 }
 module_exit(omap_dsp_exit);

+ 1 - 1
arch/arm/mach-omap2/gpmc.c

@@ -1615,7 +1615,7 @@ static int gpmc_probe_dt(struct platform_device *pdev)
 		return ret;
 	}
 
-	for_each_child_of_node(pdev->dev.of_node, child) {
+	for_each_available_child_of_node(pdev->dev.of_node, child) {
 
 		if (!child->name)
 			continue;

+ 13 - 5
arch/arm/mach-omap2/omap_hwmod_7xx_data.c

@@ -1268,9 +1268,6 @@ static struct omap_hwmod_class dra7xx_sata_hwmod_class = {
 };
 
 /* sata */
-static struct omap_hwmod_opt_clk sata_opt_clks[] = {
-	{ .role = "ref_clk", .clk = "sata_ref_clk" },
-};
 
 static struct omap_hwmod dra7xx_sata_hwmod = {
 	.name		= "sata",
@@ -1278,6 +1275,7 @@ static struct omap_hwmod dra7xx_sata_hwmod = {
 	.clkdm_name	= "l3init_clkdm",
 	.flags		= HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY,
 	.main_clk	= "func_48m_fclk",
+	.mpu_rt_idx	= 1,
 	.prcm = {
 		.omap4 = {
 			.clkctrl_offs = DRA7XX_CM_L3INIT_SATA_CLKCTRL_OFFSET,
@@ -1285,8 +1283,6 @@ static struct omap_hwmod dra7xx_sata_hwmod = {
 			.modulemode   = MODULEMODE_SWCTRL,
 		},
 	},
-	.opt_clks	= sata_opt_clks,
-	.opt_clks_cnt	= ARRAY_SIZE(sata_opt_clks),
 };
 
 /*
@@ -1731,8 +1727,20 @@ static struct omap_hwmod dra7xx_uart6_hwmod = {
  *
  */
 
+static struct omap_hwmod_class_sysconfig dra7xx_usb_otg_ss_sysc = {
+	.rev_offs	= 0x0000,
+	.sysc_offs	= 0x0010,
+	.sysc_flags	= (SYSC_HAS_DMADISABLE | SYSC_HAS_MIDLEMODE |
+			   SYSC_HAS_SIDLEMODE),
+	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
+			   SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO |
+			   MSTANDBY_SMART | MSTANDBY_SMART_WKUP),
+	.sysc_fields	= &omap_hwmod_sysc_type2,
+};
+
 static struct omap_hwmod_class dra7xx_usb_otg_ss_hwmod_class = {
 	.name	= "usb_otg_ss",
+	.sysc	= &dra7xx_usb_otg_ss_sysc,
 };
 
 /* usb_otg_ss1 */

+ 6 - 0
arch/arm/mach-omap2/prm-regbits-34xx.h

@@ -35,6 +35,8 @@
 #define OMAP3430_LOGICSTATEST_MASK			(1 << 2)
 #define OMAP3430_LASTLOGICSTATEENTERED_MASK		(1 << 2)
 #define OMAP3430_LASTPOWERSTATEENTERED_MASK		(0x3 << 0)
+#define OMAP3430_GRPSEL_MCBSP5_MASK			(1 << 10)
+#define OMAP3430_GRPSEL_MCBSP1_MASK			(1 << 9)
 #define OMAP3630_GRPSEL_UART4_MASK			(1 << 18)
 #define OMAP3430_GRPSEL_GPIO6_MASK			(1 << 17)
 #define OMAP3430_GRPSEL_GPIO5_MASK			(1 << 16)
@@ -42,6 +44,10 @@
 #define OMAP3430_GRPSEL_GPIO3_MASK			(1 << 14)
 #define OMAP3430_GRPSEL_GPIO2_MASK			(1 << 13)
 #define OMAP3430_GRPSEL_UART3_MASK			(1 << 11)
+#define OMAP3430_GRPSEL_GPT8_MASK			(1 << 9)
+#define OMAP3430_GRPSEL_GPT7_MASK			(1 << 8)
+#define OMAP3430_GRPSEL_GPT6_MASK			(1 << 7)
+#define OMAP3430_GRPSEL_GPT5_MASK			(1 << 6)
 #define OMAP3430_GRPSEL_MCBSP4_MASK			(1 << 2)
 #define OMAP3430_GRPSEL_MCBSP3_MASK			(1 << 1)
 #define OMAP3430_GRPSEL_MCBSP2_MASK			(1 << 0)

+ 1 - 1
arch/arm/mm/cache-l2x0.c

@@ -664,7 +664,7 @@ static int l2c310_cpu_enable_flz(struct notifier_block *nb, unsigned long act, v
 
 static void __init l2c310_enable(void __iomem *base, u32 aux, unsigned num_lock)
 {
-	unsigned rev = readl_relaxed(base + L2X0_CACHE_ID) & L2X0_CACHE_ID_PART_MASK;
+	unsigned rev = readl_relaxed(base + L2X0_CACHE_ID) & L2X0_CACHE_ID_RTL_MASK;
 	bool cortex_a9 = read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9;
 
 	if (rev >= L310_CACHE_ID_RTL_R2P0) {

+ 1 - 0
arch/arm64/Kconfig

@@ -4,6 +4,7 @@ config ARM64
 	select ARCH_HAS_OPP
 	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
 	select ARCH_USE_CMPXCHG_LOCKREF
+	select ARCH_SUPPORTS_ATOMIC_RMW
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
 	select ARCH_WANT_FRAME_POINTERS

+ 2 - 0
arch/arm64/include/asm/memory.h

@@ -56,6 +56,8 @@
 #define TASK_SIZE_32		UL(0x100000000)
 #define TASK_SIZE		(test_thread_flag(TIF_32BIT) ? \
 				TASK_SIZE_32 : TASK_SIZE_64)
+#define TASK_SIZE_OF(tsk)	(test_tsk_thread_flag(tsk, TIF_32BIT) ? \
+				TASK_SIZE_32 : TASK_SIZE_64)
 #else
 #define TASK_SIZE		TASK_SIZE_64
 #endif /* CONFIG_COMPAT */

+ 0 - 2
arch/arm64/kernel/efi-stub.c

@@ -12,8 +12,6 @@
 #include <linux/efi.h>
 #include <linux/libfdt.h>
 #include <asm/sections.h>
-#include <generated/compile.h>
-#include <generated/utsrelease.h>
 
 /*
  * AArch64 requires the DTB to be 8-byte aligned in the first 512MiB from

+ 2 - 0
arch/arm64/mm/copypage.c

@@ -27,8 +27,10 @@ void __cpu_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
 	copy_page(kto, kfrom);
 	__flush_dcache_area(kto, PAGE_SIZE);
 }
+EXPORT_SYMBOL_GPL(__cpu_copy_user_page);
 
 void __cpu_clear_user_page(void *kaddr, unsigned long vaddr)
 {
 	clear_page(kaddr);
 }
+EXPORT_SYMBOL_GPL(__cpu_clear_user_page);

+ 2 - 1
arch/m68k/kernel/head.S

@@ -921,7 +921,8 @@ L(nocon):
 	jls	1f
 	lsrl	#1,%d1
 1:
-	movel	%d1,m68k_init_mapped_size
+	lea	%pc@(m68k_init_mapped_size),%a0
+	movel	%d1,%a0@
 	mmu_map	#PAGE_OFFSET,%pc@(L(phys_kernel_start)),%d1,\
 		%pc@(m68k_supervisor_cachemode)
 

+ 2 - 0
arch/m68k/kernel/time.c

@@ -11,6 +11,7 @@
  */
 
 #include <linux/errno.h>
+#include <linux/export.h>
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
@@ -30,6 +31,7 @@
 
 
 unsigned long (*mach_random_get_entropy)(void);
+EXPORT_SYMBOL_GPL(mach_random_get_entropy);
 
 
 /*

+ 2 - 1
arch/parisc/kernel/hardware.c

@@ -1210,7 +1210,8 @@ static struct hp_hardware hp_hardware_list[] = {
 	{HPHW_FIO, 0x004, 0x00320, 0x0, "Metheus Frame Buffer"}, 
 	{HPHW_FIO, 0x004, 0x00340, 0x0, "BARCO CX4500 VME Grphx Cnsl"}, 
 	{HPHW_FIO, 0x004, 0x00360, 0x0, "Hughes TOG VME FDDI"}, 
-	{HPHW_FIO, 0x076, 0x000AD, 0x00, "Crestone Peak RS-232"},
+	{HPHW_FIO, 0x076, 0x000AD, 0x0, "Crestone Peak Core RS-232"},
+	{HPHW_FIO, 0x077, 0x000AD, 0x0, "Crestone Peak Fast? Core RS-232"},
 	{HPHW_IOA, 0x185, 0x0000B, 0x00, "Java BC Summit Port"}, 
 	{HPHW_IOA, 0x1FF, 0x0000B, 0x00, "Hitachi Ghostview Summit Port"}, 
 	{HPHW_IOA, 0x580, 0x0000B, 0x10, "U2-IOA BC Runway Port"}, 

+ 10 - 36
arch/parisc/kernel/sys_parisc32.c

@@ -4,6 +4,7 @@
  * Copyright (C) 2000-2001 Hewlett Packard Company
  * Copyright (C) 2000 John Marvin
  * Copyright (C) 2001 Matthew Wilcox
+ * Copyright (C) 2014 Helge Deller <deller@gmx.de>
  *
  * These routines maintain argument size conversion between 32bit and 64bit
  * environment. Based heavily on sys_ia32.c and sys_sparc32.c.
@@ -11,44 +12,8 @@
 
 #include <linux/compat.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/fs.h> 
-#include <linux/mm.h> 
-#include <linux/file.h> 
-#include <linux/signal.h>
-#include <linux/resource.h>
-#include <linux/times.h>
-#include <linux/time.h>
-#include <linux/smp.h>
-#include <linux/sem.h>
-#include <linux/shm.h>
-#include <linux/slab.h>
-#include <linux/uio.h>
-#include <linux/ncp_fs.h>
-#include <linux/poll.h>
-#include <linux/personality.h>
-#include <linux/stat.h>
-#include <linux/highmem.h>
-#include <linux/highuid.h>
-#include <linux/mman.h>
-#include <linux/binfmts.h>
-#include <linux/namei.h>
-#include <linux/vfs.h>
-#include <linux/ptrace.h>
-#include <linux/swap.h>
 #include <linux/syscalls.h>
 
-#include <asm/types.h>
-#include <asm/uaccess.h>
-#include <asm/mmu_context.h>
-
-#undef DEBUG
-
-#ifdef DEBUG
-#define DBG(x)	printk x
-#else
-#define DBG(x)
-#endif
 
 asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23,
 	int r22, int r21, int r20)
@@ -57,3 +22,12 @@ asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23,
     	current->comm, current->pid, r20);
     return -ENOSYS;
 }
+
+asmlinkage long sys32_fanotify_mark(compat_int_t fanotify_fd, compat_uint_t flags,
+	compat_uint_t mask0, compat_uint_t mask1, compat_int_t dfd,
+	const char  __user * pathname)
+{
+	return sys_fanotify_mark(fanotify_fd, flags,
+			((__u64)mask1 << 32) | mask0,
+			 dfd, pathname);
+}

+ 1 - 1
arch/parisc/kernel/syscall_table.S

@@ -418,7 +418,7 @@
 	ENTRY_SAME(accept4)		/* 320 */
 	ENTRY_SAME(prlimit64)
 	ENTRY_SAME(fanotify_init)
-	ENTRY_COMP(fanotify_mark)
+	ENTRY_DIFF(fanotify_mark)
 	ENTRY_COMP(clock_adjtime)
 	ENTRY_SAME(name_to_handle_at)	/* 325 */
 	ENTRY_COMP(open_by_handle_at)

+ 3 - 1
arch/powerpc/Kconfig

@@ -145,6 +145,7 @@ config PPC
 	select HAVE_IRQ_EXIT_ON_IRQ_STACK
 	select ARCH_USE_CMPXCHG_LOCKREF if PPC64
 	select HAVE_ARCH_AUDITSYSCALL
+	select ARCH_SUPPORTS_ATOMIC_RMW
 
 config GENERIC_CSUM
 	def_bool CPU_LITTLE_ENDIAN
@@ -414,7 +415,7 @@ config KEXEC
 config CRASH_DUMP
 	bool "Build a kdump crash kernel"
 	depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP)
-	select RELOCATABLE if PPC64 || 44x || FSL_BOOKE
+	select RELOCATABLE if (PPC64 && !COMPILE_TEST) || 44x || FSL_BOOKE
 	help
 	  Build a kernel suitable for use as a kdump capture kernel.
 	  The same kernel binary can be used as production kernel and dump
@@ -1017,6 +1018,7 @@ endmenu
 if PPC64
 config RELOCATABLE
 	bool "Build a relocatable kernel"
+	depends on !COMPILE_TEST
 	select NONSTATIC_KERNEL
 	help
 	  This builds a kernel image that is capable of running anywhere

+ 1 - 9
arch/powerpc/include/asm/mmu.h

@@ -19,8 +19,7 @@
 #define MMU_FTR_TYPE_40x		ASM_CONST(0x00000004)
 #define MMU_FTR_TYPE_44x		ASM_CONST(0x00000008)
 #define MMU_FTR_TYPE_FSL_E		ASM_CONST(0x00000010)
-#define MMU_FTR_TYPE_3E			ASM_CONST(0x00000020)
-#define MMU_FTR_TYPE_47x		ASM_CONST(0x00000040)
+#define MMU_FTR_TYPE_47x		ASM_CONST(0x00000020)
 
 /*
  * This is individual features
@@ -106,13 +105,6 @@
 				MMU_FTR_CI_LARGE_PAGE
 #define MMU_FTRS_PA6T		MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
 				MMU_FTR_CI_LARGE_PAGE | MMU_FTR_NO_SLBIE_B
-#define MMU_FTRS_A2		MMU_FTR_TYPE_3E | MMU_FTR_USE_TLBILX | \
-				MMU_FTR_USE_TLBIVAX_BCAST | \
-				MMU_FTR_LOCK_BCAST_INVAL | \
-				MMU_FTR_USE_TLBRSRV | \
-				MMU_FTR_USE_PAIRED_MAS | \
-				MMU_FTR_TLBIEL | \
-				MMU_FTR_16M_PAGE
 #ifndef __ASSEMBLY__
 #include <asm/cputable.h>
 

+ 1 - 2
arch/powerpc/include/asm/perf_event_server.h

@@ -61,8 +61,7 @@ struct power_pmu {
 #define PPMU_SIAR_VALID		0x00000010 /* Processor has SIAR Valid bit */
 #define PPMU_HAS_SSLOT		0x00000020 /* Has sampled slot in MMCRA */
 #define PPMU_HAS_SIER		0x00000040 /* Has SIER */
-#define PPMU_BHRB		0x00000080 /* has BHRB feature enabled */
-#define PPMU_EBB		0x00000100 /* supports event based branch */
+#define PPMU_ARCH_207S		0x00000080 /* PMC is architecture v2.07S */
 
 /*
  * Values for flags to get_alternatives()

+ 1 - 1
arch/powerpc/kernel/idle_power7.S

@@ -131,7 +131,7 @@ _GLOBAL(power7_nap)
 
 _GLOBAL(power7_sleep)
 	li	r3,1
-	li	r4,0
+	li	r4,1
 	b	power7_powersave_common
 	/* No return */
 

+ 1 - 1
arch/powerpc/kernel/smp.c

@@ -747,7 +747,7 @@ int setup_profiling_timer(unsigned int multiplier)
 
 #ifdef CONFIG_SCHED_SMT
 /* cpumask of CPUs with asymetric SMT dependancy */
-static const int powerpc_smt_flags(void)
+static int powerpc_smt_flags(void)
 {
 	int flags = SD_SHARE_CPUCAPACITY | SD_SHARE_PKG_RESOURCES;
 

+ 0 - 5
arch/powerpc/kvm/book3s_hv_interrupts.S

@@ -127,11 +127,6 @@ BEGIN_FTR_SECTION
 	stw	r10, HSTATE_PMC + 24(r13)
 	stw	r11, HSTATE_PMC + 28(r13)
 END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201)
-BEGIN_FTR_SECTION
-	mfspr	r9, SPRN_SIER
-	std	r8, HSTATE_MMCR + 40(r13)
-	std	r9, HSTATE_MMCR + 48(r13)
-END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
 31:
 
 	/*

+ 1 - 11
arch/powerpc/mm/mmu_context_nohash.c

@@ -410,17 +410,7 @@ void __init mmu_context_init(void)
 	} else if (mmu_has_feature(MMU_FTR_TYPE_47x)) {
 		first_context = 1;
 		last_context = 65535;
-	} else
-#ifdef CONFIG_PPC_BOOK3E_MMU
-	if (mmu_has_feature(MMU_FTR_TYPE_3E)) {
-		u32 mmucfg = mfspr(SPRN_MMUCFG);
-		u32 pid_bits = (mmucfg & MMUCFG_PIDSIZE_MASK)
-				>> MMUCFG_PIDSIZE_SHIFT;
-		first_context = 1;
-		last_context = (1UL << (pid_bits + 1)) - 1;
-	} else
-#endif
-	{
+	} else {
 		first_context = 1;
 		last_context = 255;
 	}

+ 7 - 3
arch/powerpc/net/bpf_jit_comp.c

@@ -390,12 +390,16 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
 		case BPF_ANC | SKF_AD_VLAN_TAG:
 		case BPF_ANC | SKF_AD_VLAN_TAG_PRESENT:
 			BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, vlan_tci) != 2);
+			BUILD_BUG_ON(VLAN_TAG_PRESENT != 0x1000);
+
 			PPC_LHZ_OFFS(r_A, r_skb, offsetof(struct sk_buff,
 							  vlan_tci));
-			if (code == (BPF_ANC | SKF_AD_VLAN_TAG))
-				PPC_ANDI(r_A, r_A, VLAN_VID_MASK);
-			else
+			if (code == (BPF_ANC | SKF_AD_VLAN_TAG)) {
+				PPC_ANDI(r_A, r_A, ~VLAN_TAG_PRESENT);
+			} else {
 				PPC_ANDI(r_A, r_A, VLAN_TAG_PRESENT);
+				PPC_SRWI(r_A, r_A, 12);
+			}
 			break;
 		case BPF_ANC | SKF_AD_QUEUE:
 			BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff,

+ 22 - 4
arch/powerpc/perf/core-book3s.c

@@ -485,7 +485,7 @@ static bool is_ebb_event(struct perf_event *event)
 	 * check that the PMU supports EBB, meaning those that don't can still
 	 * use bit 63 of the event code for something else if they wish.
 	 */
-	return (ppmu->flags & PPMU_EBB) &&
+	return (ppmu->flags & PPMU_ARCH_207S) &&
 	       ((event->attr.config >> PERF_EVENT_CONFIG_EBB_SHIFT) & 1);
 }
 
@@ -777,7 +777,7 @@ void perf_event_print_debug(void)
 	if (ppmu->flags & PPMU_HAS_SIER)
 		sier = mfspr(SPRN_SIER);
 
-	if (ppmu->flags & PPMU_EBB) {
+	if (ppmu->flags & PPMU_ARCH_207S) {
 		pr_info("MMCR2: %016lx EBBHR: %016lx\n",
 			mfspr(SPRN_MMCR2), mfspr(SPRN_EBBHR));
 		pr_info("EBBRR: %016lx BESCR: %016lx\n",
@@ -996,7 +996,22 @@ static void power_pmu_read(struct perf_event *event)
 	} while (local64_cmpxchg(&event->hw.prev_count, prev, val) != prev);
 
 	local64_add(delta, &event->count);
-	local64_sub(delta, &event->hw.period_left);
+
+	/*
+	 * A number of places program the PMC with (0x80000000 - period_left).
+	 * We never want period_left to be less than 1 because we will program
+	 * the PMC with a value >= 0x800000000 and an edge detected PMC will
+	 * roll around to 0 before taking an exception. We have seen this
+	 * on POWER8.
+	 *
+	 * To fix this, clamp the minimum value of period_left to 1.
+	 */
+	do {
+		prev = local64_read(&event->hw.period_left);
+		val = prev - delta;
+		if (val < 1)
+			val = 1;
+	} while (local64_cmpxchg(&event->hw.period_left, prev, val) != prev);
 }
 
 /*
@@ -1300,6 +1315,9 @@ static void power_pmu_enable(struct pmu *pmu)
 
 	write_mmcr0(cpuhw, mmcr0);
 
+	if (ppmu->flags & PPMU_ARCH_207S)
+		mtspr(SPRN_MMCR2, 0);
+
 	/*
 	 * Enable instruction sampling if necessary
 	 */
@@ -1696,7 +1714,7 @@ static int power_pmu_event_init(struct perf_event *event)
 
 	if (has_branch_stack(event)) {
 	        /* PMU has BHRB enabled */
-		if (!(ppmu->flags & PPMU_BHRB))
+		if (!(ppmu->flags & PPMU_ARCH_207S))
 			return -EOPNOTSUPP;
 	}
 

+ 1 - 1
arch/powerpc/perf/power8-pmu.c

@@ -792,7 +792,7 @@ static struct power_pmu power8_pmu = {
 	.get_constraint		= power8_get_constraint,
 	.get_alternatives	= power8_get_alternatives,
 	.disable_pmc		= power8_disable_pmc,
-	.flags			= PPMU_HAS_SSLOT | PPMU_HAS_SIER | PPMU_BHRB | PPMU_EBB,
+	.flags			= PPMU_HAS_SSLOT | PPMU_HAS_SIER | PPMU_ARCH_207S,
 	.n_generic		= ARRAY_SIZE(power8_generic_events),
 	.generic_events		= power8_generic_events,
 	.cache_events		= &power8_cache_events,

+ 2 - 0
arch/powerpc/platforms/cell/spu_syscalls.c

@@ -111,6 +111,7 @@ asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, __u32 __user *ustatus)
 	return ret;
 }
 
+#ifdef CONFIG_COREDUMP
 int elf_coredump_extra_notes_size(void)
 {
 	struct spufs_calls *calls;
@@ -142,6 +143,7 @@ int elf_coredump_extra_notes_write(struct coredump_params *cprm)
 
 	return ret;
 }
+#endif
 
 void notify_spus_active(void)
 {

+ 2 - 1
arch/powerpc/platforms/cell/spufs/Makefile

@@ -1,8 +1,9 @@
 
 obj-$(CONFIG_SPU_FS) += spufs.o
-spufs-y += inode.o file.o context.o syscalls.o coredump.o
+spufs-y += inode.o file.o context.o syscalls.o
 spufs-y += sched.o backing_ops.o hw_ops.o run.o gang.o
 spufs-y += switch.o fault.o lscsa_alloc.o
+spufs-$(CONFIG_COREDUMP) += coredump.o
 
 # magic for the trace events
 CFLAGS_sched.o := -I$(src)

+ 4 - 2
arch/powerpc/platforms/cell/spufs/syscalls.c

@@ -79,8 +79,10 @@ static long do_spu_create(const char __user *pathname, unsigned int flags,
 struct spufs_calls spufs_calls = {
 	.create_thread = do_spu_create,
 	.spu_run = do_spu_run,
-	.coredump_extra_notes_size = spufs_coredump_extra_notes_size,
-	.coredump_extra_notes_write = spufs_coredump_extra_notes_write,
 	.notify_spus_active = do_notify_spus_active,
 	.owner = THIS_MODULE,
+#ifdef CONFIG_COREDUMP
+	.coredump_extra_notes_size = spufs_coredump_extra_notes_size,
+	.coredump_extra_notes_write = spufs_coredump_extra_notes_write,
+#endif
 };

+ 1 - 0
arch/sparc/Kconfig

@@ -78,6 +78,7 @@ config SPARC64
 	select HAVE_C_RECORDMCOUNT
 	select NO_BOOTMEM
 	select HAVE_ARCH_AUDITSYSCALL
+	select ARCH_SUPPORTS_ATOMIC_RMW
 
 config ARCH_DEFCONFIG
 	string

+ 8 - 1
arch/um/kernel/tlb.c

@@ -12,6 +12,7 @@
 #include <mem_user.h>
 #include <os.h>
 #include <skas.h>
+#include <kern_util.h>
 
 struct host_vm_change {
 	struct host_vm_op {
@@ -124,6 +125,9 @@ static int add_munmap(unsigned long addr, unsigned long len,
 	struct host_vm_op *last;
 	int ret = 0;
 
+	if ((addr >= STUB_START) && (addr < STUB_END))
+		return -EINVAL;
+
 	if (hvc->index != 0) {
 		last = &hvc->ops[hvc->index - 1];
 		if ((last->type == MUNMAP) &&
@@ -283,8 +287,11 @@ void fix_range_common(struct mm_struct *mm, unsigned long start_addr,
 	/* This is not an else because ret is modified above */
 	if (ret) {
 		printk(KERN_ERR "fix_range_common: failed, killing current "
-		       "process\n");
+		       "process: %d\n", task_tgid_vnr(current));
+		/* We are under mmap_sem, release it such that current can terminate */
+		up_write(&current->mm->mmap_sem);
 		force_sig(SIGKILL, current);
+		do_signal();
 	}
 }
 

+ 1 - 1
arch/um/kernel/trap.c

@@ -206,7 +206,7 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user,
 	int is_write = FAULT_WRITE(fi);
 	unsigned long address = FAULT_ADDRESS(fi);
 
-	if (regs)
+	if (!is_user && regs)
 		current->thread.segv_regs = container_of(regs, struct pt_regs, regs);
 
 	if (!is_user && (address >= start_vm) && (address < end_vm)) {

+ 2 - 7
arch/um/os-Linux/skas/process.c

@@ -54,7 +54,7 @@ static int ptrace_dump_regs(int pid)
 
 void wait_stub_done(int pid)
 {
-	int n, status, err, bad_stop = 0;
+	int n, status, err;
 
 	while (1) {
 		CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED | __WALL));
@@ -74,8 +74,6 @@ void wait_stub_done(int pid)
 
 	if (((1 << WSTOPSIG(status)) & STUB_DONE_MASK) != 0)
 		return;
-	else
-		bad_stop = 1;
 
 bad_wait:
 	err = ptrace_dump_regs(pid);
@@ -85,10 +83,7 @@ bad_wait:
 	printk(UM_KERN_ERR "wait_stub_done : failed to wait for SIGTRAP, "
 	       "pid = %d, n = %d, errno = %d, status = 0x%x\n", pid, n, errno,
 	       status);
-	if (bad_stop)
-		kill(pid, SIGKILL);
-	else
-		fatal_sigsegv();
+	fatal_sigsegv();
 }
 
 extern unsigned long current_stub_stack(void);

+ 1 - 0
arch/x86/Kconfig

@@ -131,6 +131,7 @@ config X86
 	select HAVE_CC_STACKPROTECTOR
 	select GENERIC_CPU_AUTOPROBE
 	select HAVE_ARCH_AUDITSYSCALL
+	select ARCH_SUPPORTS_ATOMIC_RMW
 
 config INSTRUCTION_DECODER
 	def_bool y

+ 22 - 4
arch/x86/boot/header.S

@@ -91,10 +91,9 @@ bs_die:
 
 	.section ".bsdata", "a"
 bugger_off_msg:
-	.ascii	"Direct floppy boot is not supported. "
-	.ascii	"Use a boot loader program instead.\r\n"
+	.ascii	"Use a boot loader.\r\n"
 	.ascii	"\n"
-	.ascii	"Remove disk and press any key to reboot ...\r\n"
+	.ascii	"Remove disk and press any key to reboot...\r\n"
 	.byte	0
 
 #ifdef CONFIG_EFI_STUB
@@ -108,7 +107,7 @@ coff_header:
 #else
 	.word	0x8664				# x86-64
 #endif
-	.word	3				# nr_sections
+	.word	4				# nr_sections
 	.long	0 				# TimeDateStamp
 	.long	0				# PointerToSymbolTable
 	.long	1				# NumberOfSymbols
@@ -250,6 +249,25 @@ section_table:
 	.word	0				# NumberOfLineNumbers
 	.long	0x60500020			# Characteristics (section flags)
 
+	#
+	# The offset & size fields are filled in by build.c.
+	#
+	.ascii	".bss"
+	.byte	0
+	.byte	0
+	.byte	0
+	.byte	0
+	.long	0
+	.long	0x0
+	.long	0				# Size of initialized data
+						# on disk
+	.long	0x0
+	.long	0				# PointerToRelocations
+	.long	0				# PointerToLineNumbers
+	.word	0				# NumberOfRelocations
+	.word	0				# NumberOfLineNumbers
+	.long	0xc8000080			# Characteristics (section flags)
+
 #endif /* CONFIG_EFI_STUB */
 
 	# Kernel attributes; used by setup.  This is part 1 of the

+ 30 - 8
arch/x86/boot/tools/build.c

@@ -143,7 +143,7 @@ static void usage(void)
 
 #ifdef CONFIG_EFI_STUB
 
-static void update_pecoff_section_header(char *section_name, u32 offset, u32 size)
+static void update_pecoff_section_header_fields(char *section_name, u32 vma, u32 size, u32 datasz, u32 offset)
 {
 	unsigned int pe_header;
 	unsigned short num_sections;
@@ -164,10 +164,10 @@ static void update_pecoff_section_header(char *section_name, u32 offset, u32 siz
 			put_unaligned_le32(size, section + 0x8);
 
 			/* section header vma field */
-			put_unaligned_le32(offset, section + 0xc);
+			put_unaligned_le32(vma, section + 0xc);
 
 			/* section header 'size of initialised data' field */
-			put_unaligned_le32(size, section + 0x10);
+			put_unaligned_le32(datasz, section + 0x10);
 
 			/* section header 'file offset' field */
 			put_unaligned_le32(offset, section + 0x14);
@@ -179,6 +179,11 @@ static void update_pecoff_section_header(char *section_name, u32 offset, u32 siz
 	}
 }
 
+static void update_pecoff_section_header(char *section_name, u32 offset, u32 size)
+{
+	update_pecoff_section_header_fields(section_name, offset, size, size, offset);
+}
+
 static void update_pecoff_setup_and_reloc(unsigned int size)
 {
 	u32 setup_offset = 0x200;
@@ -203,9 +208,6 @@ static void update_pecoff_text(unsigned int text_start, unsigned int file_sz)
 
 	pe_header = get_unaligned_le32(&buf[0x3c]);
 
-	/* Size of image */
-	put_unaligned_le32(file_sz, &buf[pe_header + 0x50]);
-
 	/*
 	 * Size of code: Subtract the size of the first sector (512 bytes)
 	 * which includes the header.
@@ -220,6 +222,22 @@ static void update_pecoff_text(unsigned int text_start, unsigned int file_sz)
 	update_pecoff_section_header(".text", text_start, text_sz);
 }
 
+static void update_pecoff_bss(unsigned int file_sz, unsigned int init_sz)
+{
+	unsigned int pe_header;
+	unsigned int bss_sz = init_sz - file_sz;
+
+	pe_header = get_unaligned_le32(&buf[0x3c]);
+
+	/* Size of uninitialized data */
+	put_unaligned_le32(bss_sz, &buf[pe_header + 0x24]);
+
+	/* Size of image */
+	put_unaligned_le32(init_sz, &buf[pe_header + 0x50]);
+
+	update_pecoff_section_header_fields(".bss", file_sz, bss_sz, 0, 0);
+}
+
 static int reserve_pecoff_reloc_section(int c)
 {
 	/* Reserve 0x20 bytes for .reloc section */
@@ -259,6 +277,8 @@ static void efi_stub_entry_update(void)
 static inline void update_pecoff_setup_and_reloc(unsigned int size) {}
 static inline void update_pecoff_text(unsigned int text_start,
 				      unsigned int file_sz) {}
+static inline void update_pecoff_bss(unsigned int file_sz,
+				     unsigned int init_sz) {}
 static inline void efi_stub_defaults(void) {}
 static inline void efi_stub_entry_update(void) {}
 
@@ -310,7 +330,7 @@ static void parse_zoffset(char *fname)
 
 int main(int argc, char ** argv)
 {
-	unsigned int i, sz, setup_sectors;
+	unsigned int i, sz, setup_sectors, init_sz;
 	int c;
 	u32 sys_size;
 	struct stat sb;
@@ -376,7 +396,9 @@ int main(int argc, char ** argv)
 	buf[0x1f1] = setup_sectors-1;
 	put_unaligned_le32(sys_size, &buf[0x1f4]);
 
-	update_pecoff_text(setup_sectors * 512, sz + i + ((sys_size * 16) - sz));
+	update_pecoff_text(setup_sectors * 512, i + (sys_size * 16));
+	init_sz = get_unaligned_le32(&buf[0x260]);
+	update_pecoff_bss(i + (sys_size * 16), init_sz);
 
 	efi_stub_entry_update();
 

+ 1 - 1
arch/x86/crypto/sha512_ssse3_glue.c

@@ -141,7 +141,7 @@ static int sha512_ssse3_final(struct shash_desc *desc, u8 *out)
 
 	/* save number of bits */
 	bits[1] = cpu_to_be64(sctx->count[0] << 3);
-	bits[0] = cpu_to_be64(sctx->count[1] << 3) | sctx->count[0] >> 61;
+	bits[0] = cpu_to_be64(sctx->count[1] << 3 | sctx->count[0] >> 61);
 
 	/* Pad out to 112 mod 128 and append length */
 	index = sctx->count[0] & 0x7f;

+ 0 - 1
arch/x86/kernel/apm_32.c

@@ -841,7 +841,6 @@ static int apm_do_idle(void)
 	u32 eax;
 	u8 ret = 0;
 	int idled = 0;
-	int polling;
 	int err = 0;
 
 	if (!need_resched()) {

+ 9 - 0
arch/x86/kernel/cpu/perf_event_intel.c

@@ -1381,6 +1381,15 @@ again:
 
 	intel_pmu_lbr_read();
 
+	/*
+	 * CondChgd bit 63 doesn't mean any overflow status. Ignore
+	 * and clear the bit.
+	 */
+	if (__test_and_clear_bit(63, (unsigned long *)&status)) {
+		if (!status)
+			goto done;
+	}
+
 	/*
 	 * PEBS overflow sets bit 62 in the global status register
 	 */

+ 2 - 3
arch/x86/kernel/espfix_64.c

@@ -175,7 +175,7 @@ void init_espfix_ap(void)
 	if (!pud_present(pud)) {
 		pmd_p = (pmd_t *)__get_free_page(PGALLOC_GFP);
 		pud = __pud(__pa(pmd_p) | (PGTABLE_PROT & ptemask));
-		paravirt_alloc_pud(&init_mm, __pa(pmd_p) >> PAGE_SHIFT);
+		paravirt_alloc_pmd(&init_mm, __pa(pmd_p) >> PAGE_SHIFT);
 		for (n = 0; n < ESPFIX_PUD_CLONES; n++)
 			set_pud(&pud_p[n], pud);
 	}
@@ -185,7 +185,7 @@ void init_espfix_ap(void)
 	if (!pmd_present(pmd)) {
 		pte_p = (pte_t *)__get_free_page(PGALLOC_GFP);
 		pmd = __pmd(__pa(pte_p) | (PGTABLE_PROT & ptemask));
-		paravirt_alloc_pmd(&init_mm, __pa(pte_p) >> PAGE_SHIFT);
+		paravirt_alloc_pte(&init_mm, __pa(pte_p) >> PAGE_SHIFT);
 		for (n = 0; n < ESPFIX_PMD_CLONES; n++)
 			set_pmd(&pmd_p[n], pmd);
 	}
@@ -193,7 +193,6 @@ void init_espfix_ap(void)
 	pte_p = pte_offset_kernel(&pmd, addr);
 	stack_page = (void *)__get_free_page(GFP_KERNEL);
 	pte = __pte(__pa(stack_page) | (__PAGE_KERNEL_RO & ptemask));
-	paravirt_alloc_pte(&init_mm, __pa(stack_page) >> PAGE_SHIFT);
 	for (n = 0; n < ESPFIX_PTE_CLONES; n++)
 		set_pte(&pte_p[n*PTE_STRIDE], pte);
 

+ 2 - 2
arch/x86/kernel/tsc.c

@@ -920,9 +920,9 @@ static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
 		tsc_khz = cpufreq_scale(tsc_khz_ref, ref_freq, freq->new);
 		if (!(freq->flags & CPUFREQ_CONST_LOOPS))
 			mark_tsc_unstable("cpufreq changes");
-	}
 
-	set_cyc2ns_scale(tsc_khz, freq->cpu);
+		set_cyc2ns_scale(tsc_khz, freq->cpu);
+	}
 
 	return 0;
 }

+ 3 - 0
arch/x86/vdso/vdso2c.h

@@ -93,6 +93,9 @@ static void BITSFUNC(copy_section)(struct BITSFUNC(fake_sections) *out,
 	uint64_t flags = GET_LE(&in->sh_flags);
 
 	bool copy = flags & SHF_ALLOC &&
+		(GET_LE(&in->sh_size) ||
+		 (GET_LE(&in->sh_type) != SHT_RELA &&
+		  GET_LE(&in->sh_type) != SHT_REL)) &&
 		strcmp(name, ".altinstructions") &&
 		strcmp(name, ".altinstr_replacement");
 

+ 4 - 0
arch/x86/vdso/vma.c

@@ -62,6 +62,9 @@ struct linux_binprm;
    Only used for the 64-bit and x32 vdsos. */
 static unsigned long vdso_addr(unsigned long start, unsigned len)
 {
+#ifdef CONFIG_X86_32
+	return 0;
+#else
 	unsigned long addr, end;
 	unsigned offset;
 	end = (start + PMD_SIZE - 1) & PMD_MASK;
@@ -83,6 +86,7 @@ static unsigned long vdso_addr(unsigned long start, unsigned len)
 	addr = align_vdso_addr(addr);
 
 	return addr;
+#endif
 }
 
 static int map_vdso(const struct vdso_image *image, bool calculate_addr)

+ 128 - 2
drivers/acpi/ac.c

@@ -30,6 +30,10 @@
 #include <linux/types.h>
 #include <linux/dmi.h>
 #include <linux/delay.h>
+#ifdef CONFIG_ACPI_PROCFS_POWER
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#endif
 #include <linux/platform_device.h>
 #include <linux/power_supply.h>
 #include <linux/acpi.h>
@@ -52,6 +56,7 @@ MODULE_AUTHOR("Paul Diefenbaugh");
 MODULE_DESCRIPTION("ACPI AC Adapter Driver");
 MODULE_LICENSE("GPL");
 
+
 static int acpi_ac_add(struct acpi_device *device);
 static int acpi_ac_remove(struct acpi_device *device);
 static void acpi_ac_notify(struct acpi_device *device, u32 event);
@@ -67,6 +72,13 @@ static int acpi_ac_resume(struct device *dev);
 #endif
 static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+extern struct proc_dir_entry *acpi_lock_ac_dir(void);
+extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
+static int acpi_ac_open_fs(struct inode *inode, struct file *file);
+#endif
+
+
 static int ac_sleep_before_get_state_ms;
 
 static struct acpi_driver acpi_ac_driver = {
@@ -91,6 +103,16 @@ struct acpi_ac {
 
 #define to_acpi_ac(x) container_of(x, struct acpi_ac, charger)
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+static const struct file_operations acpi_ac_fops = {
+	.owner = THIS_MODULE,
+	.open = acpi_ac_open_fs,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+#endif
+
 /* --------------------------------------------------------------------------
                                AC Adapter Management
    -------------------------------------------------------------------------- */
@@ -143,6 +165,83 @@ static enum power_supply_property ac_props[] = {
 	POWER_SUPPLY_PROP_ONLINE,
 };
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+/* --------------------------------------------------------------------------
+                              FS Interface (/proc)
+   -------------------------------------------------------------------------- */
+
+static struct proc_dir_entry *acpi_ac_dir;
+
+static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
+{
+	struct acpi_ac *ac = seq->private;
+
+
+	if (!ac)
+		return 0;
+
+	if (acpi_ac_get_state(ac)) {
+		seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
+		return 0;
+	}
+
+	seq_puts(seq, "state:                   ");
+	switch (ac->state) {
+	case ACPI_AC_STATUS_OFFLINE:
+		seq_puts(seq, "off-line\n");
+		break;
+	case ACPI_AC_STATUS_ONLINE:
+		seq_puts(seq, "on-line\n");
+		break;
+	default:
+		seq_puts(seq, "unknown\n");
+		break;
+	}
+
+	return 0;
+}
+
+static int acpi_ac_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_ac_seq_show, PDE_DATA(inode));
+}
+
+static int acpi_ac_add_fs(struct acpi_ac *ac)
+{
+	struct proc_dir_entry *entry = NULL;
+
+	printk(KERN_WARNING PREFIX "Deprecated procfs I/F for AC is loaded,"
+			" please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
+	if (!acpi_device_dir(ac->device)) {
+		acpi_device_dir(ac->device) =
+			proc_mkdir(acpi_device_bid(ac->device), acpi_ac_dir);
+		if (!acpi_device_dir(ac->device))
+			return -ENODEV;
+	}
+
+	/* 'state' [R] */
+	entry = proc_create_data(ACPI_AC_FILE_STATE,
+				 S_IRUGO, acpi_device_dir(ac->device),
+				 &acpi_ac_fops, ac);
+	if (!entry)
+		return -ENODEV;
+	return 0;
+}
+
+static int acpi_ac_remove_fs(struct acpi_ac *ac)
+{
+
+	if (acpi_device_dir(ac->device)) {
+		remove_proc_entry(ACPI_AC_FILE_STATE,
+				  acpi_device_dir(ac->device));
+		remove_proc_entry(acpi_device_bid(ac->device), acpi_ac_dir);
+		acpi_device_dir(ac->device) = NULL;
+	}
+
+	return 0;
+}
+#endif
+
 /* --------------------------------------------------------------------------
                                    Driver Model
    -------------------------------------------------------------------------- */
@@ -243,6 +342,11 @@ static int acpi_ac_add(struct acpi_device *device)
 		goto end;
 
 	ac->charger.name = acpi_device_bid(device);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+	result = acpi_ac_add_fs(ac);
+	if (result)
+		goto end;
+#endif
 	ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
 	ac->charger.properties = ac_props;
 	ac->charger.num_properties = ARRAY_SIZE(ac_props);
@@ -258,8 +362,12 @@ static int acpi_ac_add(struct acpi_device *device)
 	ac->battery_nb.notifier_call = acpi_ac_battery_notify;
 	register_acpi_notifier(&ac->battery_nb);
 end:
-	if (result)
+	if (result) {
+#ifdef CONFIG_ACPI_PROCFS_POWER
+		acpi_ac_remove_fs(ac);
+#endif
 		kfree(ac);
+	}
 
 	dmi_check_system(ac_dmi_table);
 	return result;
@@ -303,6 +411,10 @@ static int acpi_ac_remove(struct acpi_device *device)
 		power_supply_unregister(&ac->charger);
 	unregister_acpi_notifier(&ac->battery_nb);
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+	acpi_ac_remove_fs(ac);
+#endif
+
 	kfree(ac);
 
 	return 0;
@@ -315,9 +427,20 @@ static int __init acpi_ac_init(void)
 	if (acpi_disabled)
 		return -ENODEV;
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+	acpi_ac_dir = acpi_lock_ac_dir();
+	if (!acpi_ac_dir)
+		return -ENODEV;
+#endif
+
+
 	result = acpi_bus_register_driver(&acpi_ac_driver);
-	if (result < 0)
+	if (result < 0) {
+#ifdef CONFIG_ACPI_PROCFS_POWER
+		acpi_unlock_ac_dir(acpi_ac_dir);
+#endif
 		return -ENODEV;
+	}
 
 	return 0;
 }
@@ -325,6 +448,9 @@ static int __init acpi_ac_init(void)
 static void __exit acpi_ac_exit(void)
 {
 	acpi_bus_unregister_driver(&acpi_ac_driver);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+	acpi_unlock_ac_dir(acpi_ac_dir);
+#endif
 }
 module_init(acpi_ac_init);
 module_exit(acpi_ac_exit);

+ 2 - 0
drivers/acpi/acpi_pnp.c

@@ -14,6 +14,8 @@
 #include <linux/module.h>
 
 static const struct acpi_device_id acpi_pnp_device_ids[] = {
+	/* soc_button_array */
+	{"PNP0C40"},
 	/* pata_isapnp */
 	{"PNP0600"},		/* Generic ESDI/IDE/ATA compatible hard disk controller */
 	/* floppy */

+ 40 - 1
drivers/acpi/battery.c

@@ -35,6 +35,7 @@
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/suspend.h>
+#include <linux/delay.h>
 #include <asm/unaligned.h>
 
 #ifdef CONFIG_ACPI_PROCFS_POWER
@@ -534,6 +535,20 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
 			" invalid.\n");
 	}
 
+	/*
+	 * When fully charged, some batteries wrongly report
+	 * capacity_now = design_capacity instead of = full_charge_capacity
+	 */
+	if (battery->capacity_now > battery->full_charge_capacity
+	    && battery->full_charge_capacity != ACPI_BATTERY_VALUE_UNKNOWN) {
+		battery->capacity_now = battery->full_charge_capacity;
+		if (battery->capacity_now != battery->design_capacity)
+			printk_once(KERN_WARNING FW_BUG
+				"battery: reported current charge level (%d) "
+				"is higher than reported maximum charge level (%d).\n",
+				battery->capacity_now, battery->full_charge_capacity);
+	}
+
 	if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags)
 	    && battery->capacity_now >= 0 && battery->capacity_now <= 100)
 		battery->capacity_now = (battery->capacity_now *
@@ -1151,6 +1166,28 @@ static struct dmi_system_id bat_dmi_table[] = {
 	{},
 };
 
+/*
+ * Some machines'(E,G Lenovo Z480) ECs are not stable
+ * during boot up and this causes battery driver fails to be
+ * probed due to failure of getting battery information
+ * from EC sometimes. After several retries, the operation
+ * may work. So add retry code here and 20ms sleep between
+ * every retries.
+ */
+static int acpi_battery_update_retry(struct acpi_battery *battery)
+{
+	int retry, ret;
+
+	for (retry = 5; retry; retry--) {
+		ret = acpi_battery_update(battery, false);
+		if (!ret)
+			break;
+
+		msleep(20);
+	}
+	return ret;
+}
+
 static int acpi_battery_add(struct acpi_device *device)
 {
 	int result = 0;
@@ -1169,9 +1206,11 @@ static int acpi_battery_add(struct acpi_device *device)
 	mutex_init(&battery->sysfs_lock);
 	if (acpi_has_method(battery->device->handle, "_BIX"))
 		set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags);
-	result = acpi_battery_update(battery, false);
+
+	result = acpi_battery_update_retry(battery);
 	if (result)
 		goto fail;
+
 #ifdef CONFIG_ACPI_PROCFS_POWER
 	result = acpi_battery_add_fs(device);
 #endif

+ 85 - 79
drivers/acpi/ec.c

@@ -1,11 +1,14 @@
 /*
- *  ec.c - ACPI Embedded Controller Driver (v2.1)
+ *  ec.c - ACPI Embedded Controller Driver (v2.2)
  *
- *  Copyright (C) 2006-2008 Alexey Starikovskiy <astarikovskiy@suse.de>
- *  Copyright (C) 2006 Denis Sadykov <denis.m.sadykov@intel.com>
- *  Copyright (C) 2004 Luming Yu <luming.yu@intel.com>
- *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
- *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
+ *  Copyright (C) 2001-2014 Intel Corporation
+ *    Author: 2014       Lv Zheng <lv.zheng@intel.com>
+ *            2006, 2007 Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
+ *            2006       Denis Sadykov <denis.m.sadykov@intel.com>
+ *            2004       Luming Yu <luming.yu@intel.com>
+ *            2001, 2002 Andy Grover <andrew.grover@intel.com>
+ *            2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
+ *  Copyright (C) 2008      Alexey Starikovskiy <astarikovskiy@suse.de>
  *
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  *
@@ -52,6 +55,7 @@
 /* EC status register */
 #define ACPI_EC_FLAG_OBF	0x01	/* Output buffer full */
 #define ACPI_EC_FLAG_IBF	0x02	/* Input buffer full */
+#define ACPI_EC_FLAG_CMD	0x08	/* Input buffer contains a command */
 #define ACPI_EC_FLAG_BURST	0x10	/* burst mode */
 #define ACPI_EC_FLAG_SCI	0x20	/* EC-SCI occurred */
 
@@ -78,6 +82,9 @@ enum {
 	EC_FLAGS_BLOCKED,		/* Transactions are blocked */
 };
 
+#define ACPI_EC_COMMAND_POLL		0x01 /* Available for command byte */
+#define ACPI_EC_COMMAND_COMPLETE	0x02 /* Completed last byte */
+
 /* ec.c is compiled in acpi namespace so this shows up as acpi.ec_delay param */
 static unsigned int ec_delay __read_mostly = ACPI_EC_DELAY;
 module_param(ec_delay, uint, 0644);
@@ -109,7 +116,7 @@ struct transaction {
 	u8 ri;
 	u8 wlen;
 	u8 rlen;
-	bool done;
+	u8 flags;
 };
 
 struct acpi_ec *boot_ec, *first_ec;
@@ -127,83 +134,104 @@ static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */
 static inline u8 acpi_ec_read_status(struct acpi_ec *ec)
 {
 	u8 x = inb(ec->command_addr);
-	pr_debug("---> status = 0x%2.2x\n", x);
+	pr_debug("EC_SC(R) = 0x%2.2x "
+		 "SCI_EVT=%d BURST=%d CMD=%d IBF=%d OBF=%d\n",
+		 x,
+		 !!(x & ACPI_EC_FLAG_SCI),
+		 !!(x & ACPI_EC_FLAG_BURST),
+		 !!(x & ACPI_EC_FLAG_CMD),
+		 !!(x & ACPI_EC_FLAG_IBF),
+		 !!(x & ACPI_EC_FLAG_OBF));
 	return x;
 }
 
 static inline u8 acpi_ec_read_data(struct acpi_ec *ec)
 {
 	u8 x = inb(ec->data_addr);
-	pr_debug("---> data = 0x%2.2x\n", x);
+	pr_debug("EC_DATA(R) = 0x%2.2x\n", x);
 	return x;
 }
 
 static inline void acpi_ec_write_cmd(struct acpi_ec *ec, u8 command)
 {
-	pr_debug("<--- command = 0x%2.2x\n", command);
+	pr_debug("EC_SC(W) = 0x%2.2x\n", command);
 	outb(command, ec->command_addr);
 }
 
 static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data)
 {
-	pr_debug("<--- data = 0x%2.2x\n", data);
+	pr_debug("EC_DATA(W) = 0x%2.2x\n", data);
 	outb(data, ec->data_addr);
 }
 
-static int ec_transaction_done(struct acpi_ec *ec)
+static int ec_transaction_completed(struct acpi_ec *ec)
 {
 	unsigned long flags;
 	int ret = 0;
 	spin_lock_irqsave(&ec->lock, flags);
-	if (!ec->curr || ec->curr->done)
+	if (ec->curr && (ec->curr->flags & ACPI_EC_COMMAND_COMPLETE))
 		ret = 1;
 	spin_unlock_irqrestore(&ec->lock, flags);
 	return ret;
 }
 
-static void start_transaction(struct acpi_ec *ec)
+static bool advance_transaction(struct acpi_ec *ec)
 {
-	ec->curr->irq_count = ec->curr->wi = ec->curr->ri = 0;
-	ec->curr->done = false;
-	acpi_ec_write_cmd(ec, ec->curr->command);
-}
-
-static void advance_transaction(struct acpi_ec *ec, u8 status)
-{
-	unsigned long flags;
 	struct transaction *t;
+	u8 status;
+	bool wakeup = false;
 
-	spin_lock_irqsave(&ec->lock, flags);
+	pr_debug("===== %s =====\n", in_interrupt() ? "IRQ" : "TASK");
+	status = acpi_ec_read_status(ec);
 	t = ec->curr;
 	if (!t)
-		goto unlock;
-	if (t->wlen > t->wi) {
-		if ((status & ACPI_EC_FLAG_IBF) == 0)
-			acpi_ec_write_data(ec,
-				t->wdata[t->wi++]);
-		else
-			goto err;
-	} else if (t->rlen > t->ri) {
-		if ((status & ACPI_EC_FLAG_OBF) == 1) {
-			t->rdata[t->ri++] = acpi_ec_read_data(ec);
-			if (t->rlen == t->ri)
-				t->done = true;
+		goto err;
+	if (t->flags & ACPI_EC_COMMAND_POLL) {
+		if (t->wlen > t->wi) {
+			if ((status & ACPI_EC_FLAG_IBF) == 0)
+				acpi_ec_write_data(ec, t->wdata[t->wi++]);
+			else
+				goto err;
+		} else if (t->rlen > t->ri) {
+			if ((status & ACPI_EC_FLAG_OBF) == 1) {
+				t->rdata[t->ri++] = acpi_ec_read_data(ec);
+				if (t->rlen == t->ri) {
+					t->flags |= ACPI_EC_COMMAND_COMPLETE;
+					wakeup = true;
+				}
+			} else
+				goto err;
+		} else if (t->wlen == t->wi &&
+			   (status & ACPI_EC_FLAG_IBF) == 0) {
+			t->flags |= ACPI_EC_COMMAND_COMPLETE;
+			wakeup = true;
+		}
+		return wakeup;
+	} else {
+		if ((status & ACPI_EC_FLAG_IBF) == 0) {
+			acpi_ec_write_cmd(ec, t->command);
+			t->flags |= ACPI_EC_COMMAND_POLL;
 		} else
 			goto err;
-	} else if (t->wlen == t->wi &&
-		   (status & ACPI_EC_FLAG_IBF) == 0)
-		t->done = true;
-	goto unlock;
+		return wakeup;
+	}
 err:
 	/*
 	 * If SCI bit is set, then don't think it's a false IRQ
 	 * otherwise will take a not handled IRQ as a false one.
 	 */
-	if (in_interrupt() && !(status & ACPI_EC_FLAG_SCI))
-		++t->irq_count;
+	if (!(status & ACPI_EC_FLAG_SCI)) {
+		if (in_interrupt() && t)
+			++t->irq_count;
+	}
+	return wakeup;
+}
 
-unlock:
-	spin_unlock_irqrestore(&ec->lock, flags);
+static void start_transaction(struct acpi_ec *ec)
+{
+	ec->curr->irq_count = ec->curr->wi = ec->curr->ri = 0;
+	ec->curr->flags = 0;
+	(void)advance_transaction(ec);
 }
 
 static int acpi_ec_sync_query(struct acpi_ec *ec, u8 *data);
@@ -228,15 +256,17 @@ static int ec_poll(struct acpi_ec *ec)
 			/* don't sleep with disabled interrupts */
 			if (EC_FLAGS_MSI || irqs_disabled()) {
 				udelay(ACPI_EC_MSI_UDELAY);
-				if (ec_transaction_done(ec))
+				if (ec_transaction_completed(ec))
 					return 0;
 			} else {
 				if (wait_event_timeout(ec->wait,
-						ec_transaction_done(ec),
+						ec_transaction_completed(ec),
 						msecs_to_jiffies(1)))
 					return 0;
 			}
-			advance_transaction(ec, acpi_ec_read_status(ec));
+			spin_lock_irqsave(&ec->lock, flags);
+			(void)advance_transaction(ec);
+			spin_unlock_irqrestore(&ec->lock, flags);
 		} while (time_before(jiffies, delay));
 		pr_debug("controller reset, restart transaction\n");
 		spin_lock_irqsave(&ec->lock, flags);
@@ -268,23 +298,6 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
 	return ret;
 }
 
-static int ec_check_ibf0(struct acpi_ec *ec)
-{
-	u8 status = acpi_ec_read_status(ec);
-	return (status & ACPI_EC_FLAG_IBF) == 0;
-}
-
-static int ec_wait_ibf0(struct acpi_ec *ec)
-{
-	unsigned long delay = jiffies + msecs_to_jiffies(ec_delay);
-	/* interrupt wait manually if GPE mode is not active */
-	while (time_before(jiffies, delay))
-		if (wait_event_timeout(ec->wait, ec_check_ibf0(ec),
-					msecs_to_jiffies(1)))
-			return 0;
-	return -ETIME;
-}
-
 static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
 {
 	int status;
@@ -305,12 +318,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
 			goto unlock;
 		}
 	}
-	if (ec_wait_ibf0(ec)) {
-		pr_err("input buffer is not empty, "
-				"aborting transaction\n");
-		status = -ETIME;
-		goto end;
-	}
 	pr_debug("transaction start (cmd=0x%02x, addr=0x%02x)\n",
 			t->command, t->wdata ? t->wdata[0] : 0);
 	/* disable GPE during transaction if storm is detected */
@@ -334,7 +341,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
 		set_bit(EC_FLAGS_GPE_STORM, &ec->flags);
 	}
 	pr_debug("transaction end\n");
-end:
 	if (ec->global_lock)
 		acpi_release_global_lock(glk);
 unlock:
@@ -634,17 +640,14 @@ static int ec_check_sci(struct acpi_ec *ec, u8 state)
 static u32 acpi_ec_gpe_handler(acpi_handle gpe_device,
 	u32 gpe_number, void *data)
 {
+	unsigned long flags;
 	struct acpi_ec *ec = data;
-	u8 status = acpi_ec_read_status(ec);
 
-	pr_debug("~~~> interrupt, status:0x%02x\n", status);
-
-	advance_transaction(ec, status);
-	if (ec_transaction_done(ec) &&
-	    (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) == 0) {
+	spin_lock_irqsave(&ec->lock, flags);
+	if (advance_transaction(ec))
 		wake_up(&ec->wait);
-		ec_check_sci(ec, acpi_ec_read_status(ec));
-	}
+	spin_unlock_irqrestore(&ec->lock, flags);
+	ec_check_sci(ec, acpi_ec_read_status(ec));
 	return ACPI_INTERRUPT_HANDLED | ACPI_REENABLE_GPE;
 }
 
@@ -1066,8 +1069,10 @@ int __init acpi_ec_ecdt_probe(void)
 	/* fall through */
 	}
 
-	if (EC_FLAGS_SKIP_DSDT_SCAN)
+	if (EC_FLAGS_SKIP_DSDT_SCAN) {
+		kfree(saved_ec);
 		return -ENODEV;
+	}
 
 	/* This workaround is needed only on some broken machines,
 	 * which require early EC, but fail to provide ECDT */
@@ -1105,6 +1110,7 @@ install:
 	}
 error:
 	kfree(boot_ec);
+	kfree(saved_ec);
 	boot_ec = NULL;
 	return -ENODEV;
 }

+ 5 - 5
drivers/acpi/resource.c

@@ -77,7 +77,7 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res)
 	switch (ares->type) {
 	case ACPI_RESOURCE_TYPE_MEMORY24:
 		memory24 = &ares->data.memory24;
-		if (!memory24->address_length)
+		if (!memory24->minimum && !memory24->address_length)
 			return false;
 		acpi_dev_get_memresource(res, memory24->minimum,
 					 memory24->address_length,
@@ -85,7 +85,7 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res)
 		break;
 	case ACPI_RESOURCE_TYPE_MEMORY32:
 		memory32 = &ares->data.memory32;
-		if (!memory32->address_length)
+		if (!memory32->minimum && !memory32->address_length)
 			return false;
 		acpi_dev_get_memresource(res, memory32->minimum,
 					 memory32->address_length,
@@ -93,7 +93,7 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res)
 		break;
 	case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
 		fixed_memory32 = &ares->data.fixed_memory32;
-		if (!fixed_memory32->address_length)
+		if (!fixed_memory32->address && !fixed_memory32->address_length)
 			return false;
 		acpi_dev_get_memresource(res, fixed_memory32->address,
 					 fixed_memory32->address_length,
@@ -150,7 +150,7 @@ bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res)
 	switch (ares->type) {
 	case ACPI_RESOURCE_TYPE_IO:
 		io = &ares->data.io;
-		if (!io->address_length)
+		if (!io->minimum && !io->address_length)
 			return false;
 		acpi_dev_get_ioresource(res, io->minimum,
 					io->address_length,
@@ -158,7 +158,7 @@ bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res)
 		break;
 	case ACPI_RESOURCE_TYPE_FIXED_IO:
 		fixed_io = &ares->data.fixed_io;
-		if (!fixed_io->address_length)
+		if (!fixed_io->address && !fixed_io->address_length)
 			return false;
 		acpi_dev_get_ioresource(res, fixed_io->address,
 					fixed_io->address_length,

+ 19 - 2
drivers/acpi/video.c

@@ -68,7 +68,7 @@ MODULE_AUTHOR("Bruno Ducrot");
 MODULE_DESCRIPTION("ACPI Video Driver");
 MODULE_LICENSE("GPL");
 
-static bool brightness_switch_enabled;
+static bool brightness_switch_enabled = 1;
 module_param(brightness_switch_enabled, bool, 0644);
 
 /*
@@ -241,13 +241,14 @@ static bool acpi_video_use_native_backlight(void)
 		return use_native_backlight_dmi;
 }
 
-static bool acpi_video_verify_backlight_support(void)
+bool acpi_video_verify_backlight_support(void)
 {
 	if (acpi_osi_is_win8() && acpi_video_use_native_backlight() &&
 	    backlight_device_registered(BACKLIGHT_RAW))
 		return false;
 	return acpi_video_backlight_support();
 }
+EXPORT_SYMBOL_GPL(acpi_video_verify_backlight_support);
 
 /* backlight device sysfs support */
 static int acpi_video_get_brightness(struct backlight_device *bd)
@@ -562,6 +563,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
 		DMI_MATCH(DMI_PRODUCT_NAME, "Aspire V5-471G"),
 		},
 	},
+	{
+	 .callback = video_set_use_native_backlight,
+	 .ident = "Acer TravelMate B113",
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate B113"),
+		},
+	},
 	{
 	.callback = video_set_use_native_backlight,
 	.ident = "HP ProBook 4340s",
@@ -572,6 +581,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
 	},
 	{
 	.callback = video_set_use_native_backlight,
+	.ident = "HP ProBook 4540s",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+		DMI_MATCH(DMI_PRODUCT_VERSION, "HP ProBook 4540s"),
+		},
+	},
+	{
+	.callback = video_set_use_native_backlight,
 	.ident = "HP ProBook 2013 models",
 	.matches = {
 		DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),

+ 8 - 0
drivers/acpi/video_detect.c

@@ -166,6 +166,14 @@ static struct dmi_system_id video_detect_dmi_table[] = {
 		DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
 		},
 	},
+	{
+	.callback = video_detect_force_vendor,
+	.ident = "Dell Inspiron 5737",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5737"),
+		},
+	},
 	{ },
 };
 

+ 2 - 0
drivers/ata/ahci.h

@@ -371,7 +371,9 @@ int ahci_do_softreset(struct ata_link *link, unsigned int *class,
 		      int pmp, unsigned long deadline,
 		      int (*check_ready)(struct ata_link *link));
 
+unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);
 int ahci_stop_engine(struct ata_port *ap);
+void ahci_start_fis_rx(struct ata_port *ap);
 void ahci_start_engine(struct ata_port *ap);
 int ahci_check_ready(struct ata_link *link);
 int ahci_kick_engine(struct ata_port *ap);

+ 34 - 4
drivers/ata/ahci_imx.c

@@ -58,6 +58,8 @@ enum ahci_imx_type {
 struct imx_ahci_priv {
 	struct platform_device *ahci_pdev;
 	enum ahci_imx_type type;
+	struct clk *sata_clk;
+	struct clk *sata_ref_clk;
 	struct clk *ahb_clk;
 	struct regmap *gpr;
 	bool no_device;
@@ -224,7 +226,7 @@ static int imx_sata_enable(struct ahci_host_priv *hpriv)
 			return ret;
 	}
 
-	ret = ahci_platform_enable_clks(hpriv);
+	ret = clk_prepare_enable(imxpriv->sata_ref_clk);
 	if (ret < 0)
 		goto disable_regulator;
 
@@ -291,7 +293,7 @@ static void imx_sata_disable(struct ahci_host_priv *hpriv)
 				   !IMX6Q_GPR13_SATA_MPLL_CLK_EN);
 	}
 
-	ahci_platform_disable_clks(hpriv);
+	clk_disable_unprepare(imxpriv->sata_ref_clk);
 
 	if (hpriv->target_pwr)
 		regulator_disable(hpriv->target_pwr);
@@ -324,6 +326,9 @@ static void ahci_imx_error_handler(struct ata_port *ap)
 	writel(reg_val | IMX_P0PHYCR_TEST_PDDQ, mmio + IMX_P0PHYCR);
 	imx_sata_disable(hpriv);
 	imxpriv->no_device = true;
+
+	dev_info(ap->dev, "no device found, disabling link.\n");
+	dev_info(ap->dev, "pass " MODULE_PARAM_PREFIX ".hotplug=1 to enable hotplug\n");
 }
 
 static int ahci_imx_softreset(struct ata_link *link, unsigned int *class,
@@ -385,6 +390,19 @@ static int imx_ahci_probe(struct platform_device *pdev)
 	imxpriv->no_device = false;
 	imxpriv->first_time = true;
 	imxpriv->type = (enum ahci_imx_type)of_id->data;
+
+	imxpriv->sata_clk = devm_clk_get(dev, "sata");
+	if (IS_ERR(imxpriv->sata_clk)) {
+		dev_err(dev, "can't get sata clock.\n");
+		return PTR_ERR(imxpriv->sata_clk);
+	}
+
+	imxpriv->sata_ref_clk = devm_clk_get(dev, "sata_ref");
+	if (IS_ERR(imxpriv->sata_ref_clk)) {
+		dev_err(dev, "can't get sata_ref clock.\n");
+		return PTR_ERR(imxpriv->sata_ref_clk);
+	}
+
 	imxpriv->ahb_clk = devm_clk_get(dev, "ahb");
 	if (IS_ERR(imxpriv->ahb_clk)) {
 		dev_err(dev, "can't get ahb clock.\n");
@@ -407,10 +425,14 @@ static int imx_ahci_probe(struct platform_device *pdev)
 
 	hpriv->plat_data = imxpriv;
 
-	ret = imx_sata_enable(hpriv);
+	ret = clk_prepare_enable(imxpriv->sata_clk);
 	if (ret)
 		return ret;
 
+	ret = imx_sata_enable(hpriv);
+	if (ret)
+		goto disable_clk;
+
 	/*
 	 * Configure the HWINIT bits of the HOST_CAP and HOST_PORTS_IMPL,
 	 * and IP vendor specific register IMX_TIMER1MS.
@@ -435,16 +457,24 @@ static int imx_ahci_probe(struct platform_device *pdev)
 	ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info,
 				      0, 0, 0);
 	if (ret)
-		imx_sata_disable(hpriv);
+		goto disable_sata;
 
+	return 0;
+
+disable_sata:
+	imx_sata_disable(hpriv);
+disable_clk:
+	clk_disable_unprepare(imxpriv->sata_clk);
 	return ret;
 }
 
 static void ahci_imx_host_stop(struct ata_host *host)
 {
 	struct ahci_host_priv *hpriv = host->private_data;
+	struct imx_ahci_priv *imxpriv = hpriv->plat_data;
 
 	imx_sata_disable(hpriv);
+	clk_disable_unprepare(imxpriv->sata_clk);
 }
 
 #ifdef CONFIG_PM_SLEEP

+ 1 - 1
drivers/ata/ahci_platform.c

@@ -58,7 +58,7 @@ static int ahci_probe(struct platform_device *pdev)
 	}
 
 	if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
-		hflags |= AHCI_HFLAG_NO_FBS;
+		hflags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
 
 	rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info,
 				     hflags, 0, 0);

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