summaryrefslogtreecommitdiff
path: root/arch/arm/plat-mxc/dma-mx1-mx2.c
diff options
context:
space:
mode:
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);