X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fplat-mxc%2Fdma-mx1-mx2.c;h=2905ec7587589da8bcb599432e1b7b7f19fae5a6;hb=f22d806b6cc0c74dd0a1a21b3f311dba51d9df84;hp=b296f19fd89af0648ab294880b6fb48638583938;hpb=3d6eadcb5008beca1b289983ffd7771d1e947bac;p=pandora-kernel.git

diff --git a/arch/arm/plat-mxc/dma-mx1-mx2.c b/arch/arm/plat-mxc/dma-mx1-mx2.c
index b296f19fd89a..e364a5ed10f1 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);
 
@@ -800,7 +802,7 @@ static int __init imx_dma_init(void)
 	int ret = 0;
 	int i;
 
-	dma_clk = clk_get(NULL, "dma_clk");
+	dma_clk = clk_get(NULL, "dma");
 	clk_enable(dma_clk);
 
 	/* reset DMA module */