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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 12:38:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 12:38:42 -0700
commitae4c42e4e4d76d003f8ca551fe1aef93ff9a4b21 (patch)
tree2bff2e4f4456077e7d7c589c8c28824f12dfa21c /arch/arm/mach-imx/dma-v1.c
parentdd58ecba48edf14be1a5f70120fcd3002277a74a (diff)
parentab2a0e0d135490729e384c1826d118f92e88cae8 (diff)
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Merge branch 'next/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'next/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (133 commits) ARM: EXYNOS4: Change devname for FIMD clkdev ARM: S3C64XX: Cleanup mach/regs-fb.h from mach-s3c64xx ARM: S5PV210: Cleanup mach/regs-fb.h from mach-s5pv210 ARM: S5PC100: Cleanup mach/regs-fb.h from mach-s5pc100 ARM: S3C24XX: Use generic s3c_set_platdata for devices ARM: S3C64XX: Use generic s3c_set_platdata for OneNAND ARM: SAMSUNG: Use generic s3c_set_platdata for NAND ARM: SAMSUNG: Use generic s3c_set_platdata for USB OHCI ARM: SAMSUNG: Use generic s3c_set_platdata for HWMON ARM: SAMSUNG: Use generic s3c_set_platdata for FB ARM: SAMSUNG: Use generic s3c_set_platdata for TS ARM: S3C64XX: Add PWM backlight support on SMDK6410 ARM: S5P64X0: Add PWM backlight support on SMDK6450 ARM: S5P64X0: Add PWM backlight support on SMDK6440 ARM: S5PC100: Add PWM backlight support on SMDKC100 ARM: S5PV210: Add PWM backlight support on SMDKV210 ARM: EXYNOS4: Add PWM backlight support on SMDKC210 ARM: EXYNOS4: Add PWM backlight support on SMDKV310 ARM: SAMSUNG: Create a common infrastructure for PWM backlight support clocksource: convert 32-bit down counting clocksource on S5PV210/S5P64X0 ... Fix up trivial conflict in arch/arm/mach-imx/mach-scb9328.c
Diffstat (limited to 'arch/arm/mach-imx/dma-v1.c')
-rw-r--r--arch/arm/mach-imx/dma-v1.c25
1 files changed, 3 insertions, 22 deletions
diff --git a/arch/arm/mach-imx/dma-v1.c b/arch/arm/mach-imx/dma-v1.c
index f8aa5be0eb1..42afc29a7da 100644
--- a/arch/arm/mach-imx/dma-v1.c
+++ b/arch/arm/mach-imx/dma-v1.c
@@ -476,7 +476,6 @@ void imx_dma_enable(int channel)
imx_dmav1_writel(imx_dmav1_readl(DMA_CCR(channel)) | CCR_CEN |
CCR_ACRPT, DMA_CCR(channel));
-#ifdef CONFIG_ARCH_MX2
if ((cpu_is_mx21() || cpu_is_mx27()) &&
imxdma->sg && imx_dma_hw_chain(imxdma)) {
imxdma->sg = sg_next(imxdma->sg);
@@ -488,7 +487,6 @@ void imx_dma_enable(int channel)
DMA_CCR(channel));
}
}
-#endif
imxdma->in_use = 1;
local_irq_restore(flags);
@@ -519,7 +517,6 @@ void imx_dma_disable(int channel)
}
EXPORT_SYMBOL(imx_dma_disable);
-#ifdef CONFIG_ARCH_MX2
static void imx_dma_watchdog(unsigned long chno)
{
struct imx_dma_channel *imxdma = &imx_dma_channels[chno];
@@ -531,7 +528,6 @@ static void imx_dma_watchdog(unsigned long chno)
if (imxdma->err_handler)
imxdma->err_handler(chno, imxdma->data, IMX_DMA_ERR_TIMEOUT);
}
-#endif
static irqreturn_t dma_err_handler(int irq, void *dev_id)
{
@@ -655,10 +651,8 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id)
{
int i, disr;
-#ifdef CONFIG_ARCH_MX2
if (cpu_is_mx21() || cpu_is_mx27())
dma_err_handler(irq, dev_id);
-#endif
disr = imx_dmav1_readl(DMA_DISR);
@@ -704,7 +698,6 @@ int imx_dma_request(int channel, const char *name)
imxdma->name = name;
local_irq_restore(flags); /* request_irq() can block */
-#ifdef CONFIG_ARCH_MX2
if (cpu_is_mx21() || cpu_is_mx27()) {
ret = request_irq(MX2x_INT_DMACH0 + channel,
dma_irq_handler, 0, "DMA", NULL);
@@ -718,7 +711,6 @@ int imx_dma_request(int channel, const char *name)
imxdma->watchdog.function = &imx_dma_watchdog;
imxdma->watchdog.data = channel;
}
-#endif
return ret;
}
@@ -745,10 +737,8 @@ void imx_dma_free(int channel)
imx_dma_disable(channel);
imxdma->name = NULL;
-#ifdef CONFIG_ARCH_MX2
if (cpu_is_mx21() || cpu_is_mx27())
free_irq(MX2x_INT_DMACH0 + channel, NULL);
-#endif
local_irq_restore(flags);
}
@@ -804,21 +794,13 @@ static int __init imx_dma_init(void)
int ret = 0;
int i;
-#ifdef CONFIG_ARCH_MX1
if (cpu_is_mx1())
imx_dmav1_baseaddr = MX1_IO_ADDRESS(MX1_DMA_BASE_ADDR);
- else
-#endif
-#ifdef CONFIG_MACH_MX21
- if (cpu_is_mx21())
+ else if (cpu_is_mx21())
imx_dmav1_baseaddr = MX21_IO_ADDRESS(MX21_DMA_BASE_ADDR);
- else
-#endif
-#ifdef CONFIG_MACH_MX27
- if (cpu_is_mx27())
+ else if (cpu_is_mx27())
imx_dmav1_baseaddr = MX27_IO_ADDRESS(MX27_DMA_BASE_ADDR);
else
-#endif
return 0;
dma_clk = clk_get(NULL, "dma");
@@ -829,7 +811,6 @@ static int __init imx_dma_init(void)
/* reset DMA module */
imx_dmav1_writel(DCR_DRST, DMA_DCR);
-#ifdef CONFIG_ARCH_MX1
if (cpu_is_mx1()) {
ret = request_irq(MX1_DMA_INT, dma_irq_handler, 0, "DMA", NULL);
if (ret) {
@@ -844,7 +825,7 @@ static int __init imx_dma_init(void)
return ret;
}
}
-#endif
+
/* enable DMA module */
imx_dmav1_writel(DCR_DEN, DMA_DCR);