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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-30 17:36:49 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-30 17:36:49 -0800
commit14a3c4ab0e58d143c7928c9eb2f2610205e13bf2 (patch)
tree885992999d7a1a2fd3586efcf32ebcbcbc3a72aa /arch/arm/plat-mxc/dma-mx1-mx2.c
parent1af237a099a3b8ff56aa384f605c6a68af7bf288 (diff)
parent47992cbdaef2f18a47871b2ed01ad27f568c8b73 (diff)
downloadtalos-op-linux-14a3c4ab0e58d143c7928c9eb2f2610205e13bf2.tar.gz
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Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (407 commits) [ARM] pxafb: add support for overlay1 and overlay2 as framebuffer devices [ARM] pxafb: cleanup of the timing checking code [ARM] pxafb: cleanup of the color format manipulation code [ARM] pxafb: add palette format support for LCCR4_PAL_FOR_3 [ARM] pxafb: add support for FBIOPAN_DISPLAY by dma braching [ARM] pxafb: allow pxafb_set_par() to start from arbitrary yoffset [ARM] pxafb: allow video memory size to be configurable [ARM] pxa: add document on the MFP design and how to use it [ARM] sa1100_wdt: don't assume CLOCK_TICK_RATE to be a constant [ARM] rtc-sa1100: don't assume CLOCK_TICK_RATE to be a constant [ARM] pxa/tavorevb: update board support (smartpanel LCD + keypad) [ARM] pxa: Update eseries defconfig [ARM] 5352/1: add w90p910-plat config file [ARM] s3c: S3C options should depend on PLAT_S3C [ARM] mv78xx0: implement GPIO and GPIO interrupt support [ARM] Kirkwood: implement GPIO and GPIO interrupt support [ARM] Orion: share GPIO IRQ handling code [ARM] Orion: share GPIO handling code [ARM] s3c: define __io using the typesafe version [ARM] S3C64XX: Ensure CPU_V6 is selected ...
Diffstat (limited to 'arch/arm/plat-mxc/dma-mx1-mx2.c')
-rw-r--r--arch/arm/plat-mxc/dma-mx1-mx2.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/arm/plat-mxc/dma-mx1-mx2.c b/arch/arm/plat-mxc/dma-mx1-mx2.c
index b296f19fd89a..2905ec758758 100644
--- a/arch/arm/plat-mxc/dma-mx1-mx2.c
+++ b/arch/arm/plat-mxc/dma-mx1-mx2.c
@@ -34,7 +34,6 @@
#include <asm/system.h>
#include <asm/irq.h>
#include <mach/hardware.h>
-#include <asm/dma.h>
#include <mach/dma-mx1-mx2.h>
#define DMA_DCR 0x00 /* Control Register */
@@ -114,7 +113,7 @@ struct imx_dma_channel {
void (*err_handler) (int, void *, int errcode);
void (*prog_handler) (int, void *, struct scatterlist *);
void *data;
- dmamode_t dma_mode;
+ unsigned int dma_mode;
struct scatterlist *sg;
unsigned int resbytes;
int dma_num;
@@ -193,7 +192,7 @@ static inline int imx_dma_sg_next(int channel, struct scatterlist *sg)
int
imx_dma_setup_single(int channel, dma_addr_t dma_address,
unsigned int dma_length, unsigned int dev_addr,
- dmamode_t dmamode)
+ unsigned int dmamode)
{
struct imx_dma_channel *imxdma = &imx_dma_channels[channel];
@@ -288,7 +287,7 @@ int
imx_dma_setup_sg(int channel,
struct scatterlist *sg, unsigned int sgcount,
unsigned int dma_length, unsigned int dev_addr,
- dmamode_t dmamode)
+ unsigned int dmamode)
{
struct imx_dma_channel *imxdma = &imx_dma_channels[channel];
@@ -512,6 +511,7 @@ 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];
@@ -523,6 +523,7 @@ 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)
{
@@ -675,7 +676,7 @@ int imx_dma_request(int channel, const char *name)
{
struct imx_dma_channel *imxdma = &imx_dma_channels[channel];
unsigned long flags;
- int ret;
+ int ret = 0;
/* basic sanity checks */
if (!name)
@@ -697,6 +698,7 @@ int imx_dma_request(int channel, const char *name)
ret = request_irq(MXC_INT_DMACH0 + channel, dma_irq_handler, 0, "DMA",
NULL);
if (ret) {
+ local_irq_restore(flags);
printk(KERN_CRIT "Can't register IRQ %d for DMA channel %d\n",
MXC_INT_DMACH0 + channel, channel);
return ret;
@@ -713,7 +715,7 @@ int imx_dma_request(int channel, const char *name)
imxdma->sg = NULL;
local_irq_restore(flags);
- return 0;
+ return ret;
}
EXPORT_SYMBOL(imx_dma_request);
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