Browse Source

Merge branch 'topic/dw' into for-linus

Vinod Koul 9 years ago
parent
commit
0d49fee9c1
3 changed files with 14 additions and 27 deletions
  1. 1 8
      arch/avr32/mach-at32ap/at32ap700x.c
  2. 6 6
      drivers/dma/dw/core.c
  3. 7 13
      drivers/dma/dw/pci.c

+ 1 - 8
arch/avr32/mach-at32ap/at32ap700x.c

@@ -603,18 +603,11 @@ static void __init genclk_init_parent(struct clk *clk)
 	clk->parent = parent;
 }
 
-static struct dw_dma_platform_data dw_dmac0_data = {
-	.nr_channels	= 3,
-	.block_size	= 4095U,
-	.nr_masters	= 2,
-	.data_width	= { 2, 2 },
-};
-
 static struct resource dw_dmac0_resource[] = {
 	PBMEM(0xff200000),
 	IRQ(2),
 };
-DEFINE_DEV_DATA(dw_dmac, 0);
+DEFINE_DEV(dw_dmac, 0);
 DEV_CLK(hclk, dw_dmac0, hsb, 10);
 
 /* --------------------------------------------------------------------

+ 6 - 6
drivers/dma/dw/core.c

@@ -163,7 +163,7 @@ static void dwc_initialize(struct dw_dma_chan *dwc)
 
 /*----------------------------------------------------------------------*/
 
-static inline unsigned int dwc_fast_fls(unsigned long long v)
+static inline unsigned int dwc_fast_ffs(unsigned long long v)
 {
 	/*
 	 * We can be a lot more clever here, but this should take care
@@ -712,7 +712,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
 			   dw->data_width[dwc->dst_master]);
 
 	src_width = dst_width = min_t(unsigned int, data_width,
-				      dwc_fast_fls(src | dest | len));
+				      dwc_fast_ffs(src | dest | len));
 
 	ctllo = DWC_DEFAULT_CTLLO(chan)
 			| DWC_CTLL_DST_WIDTH(dst_width)
@@ -791,7 +791,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 
 	switch (direction) {
 	case DMA_MEM_TO_DEV:
-		reg_width = __fls(sconfig->dst_addr_width);
+		reg_width = __ffs(sconfig->dst_addr_width);
 		reg = sconfig->dst_addr;
 		ctllo = (DWC_DEFAULT_CTLLO(chan)
 				| DWC_CTLL_DST_WIDTH(reg_width)
@@ -811,7 +811,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 			len = sg_dma_len(sg);
 
 			mem_width = min_t(unsigned int,
-					  data_width, dwc_fast_fls(mem | len));
+					  data_width, dwc_fast_ffs(mem | len));
 
 slave_sg_todev_fill_desc:
 			desc = dwc_desc_get(dwc);
@@ -848,7 +848,7 @@ slave_sg_todev_fill_desc:
 		}
 		break;
 	case DMA_DEV_TO_MEM:
-		reg_width = __fls(sconfig->src_addr_width);
+		reg_width = __ffs(sconfig->src_addr_width);
 		reg = sconfig->src_addr;
 		ctllo = (DWC_DEFAULT_CTLLO(chan)
 				| DWC_CTLL_SRC_WIDTH(reg_width)
@@ -868,7 +868,7 @@ slave_sg_todev_fill_desc:
 			len = sg_dma_len(sg);
 
 			mem_width = min_t(unsigned int,
-					  data_width, dwc_fast_fls(mem | len));
+					  data_width, dwc_fast_ffs(mem | len));
 
 slave_sg_fromdev_fill_desc:
 			desc = dwc_desc_get(dwc);

+ 7 - 13
drivers/dma/dw/pci.c

@@ -15,12 +15,6 @@
 
 #include "internal.h"
 
-static struct dw_dma_platform_data dw_pci_pdata = {
-	.is_private = 1,
-	.chan_allocation_order = CHAN_ALLOCATION_ASCENDING,
-	.chan_priority = CHAN_PRIORITY_ASCENDING,
-};
-
 static int dw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
 {
 	struct dw_dma_chip *chip;
@@ -101,19 +95,19 @@ static const struct dev_pm_ops dw_pci_dev_pm_ops = {
 
 static const struct pci_device_id dw_pci_id_table[] = {
 	/* Medfield */
-	{ PCI_VDEVICE(INTEL, 0x0827), (kernel_ulong_t)&dw_pci_pdata },
-	{ PCI_VDEVICE(INTEL, 0x0830), (kernel_ulong_t)&dw_pci_pdata },
+	{ PCI_VDEVICE(INTEL, 0x0827) },
+	{ PCI_VDEVICE(INTEL, 0x0830) },
 
 	/* BayTrail */
-	{ PCI_VDEVICE(INTEL, 0x0f06), (kernel_ulong_t)&dw_pci_pdata },
-	{ PCI_VDEVICE(INTEL, 0x0f40), (kernel_ulong_t)&dw_pci_pdata },
+	{ PCI_VDEVICE(INTEL, 0x0f06) },
+	{ PCI_VDEVICE(INTEL, 0x0f40) },
 
 	/* Braswell */
-	{ PCI_VDEVICE(INTEL, 0x2286), (kernel_ulong_t)&dw_pci_pdata },
-	{ PCI_VDEVICE(INTEL, 0x22c0), (kernel_ulong_t)&dw_pci_pdata },
+	{ PCI_VDEVICE(INTEL, 0x2286) },
+	{ PCI_VDEVICE(INTEL, 0x22c0) },
 
 	/* Haswell */
-	{ PCI_VDEVICE(INTEL, 0x9c60), (kernel_ulong_t)&dw_pci_pdata },
+	{ PCI_VDEVICE(INTEL, 0x9c60) },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, dw_pci_id_table);