diff options
Diffstat (limited to 'arch/arm/plat-mxc/dma-mx1-mx2.c')
| -rw-r--r-- | arch/arm/plat-mxc/dma-mx1-mx2.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm/plat-mxc/dma-mx1-mx2.c b/arch/arm/plat-mxc/dma-mx1-mx2.c index 92bc4f6bd01..a9bab15f0fd 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 <mach/dma.h> #include <mach/dma-mx1-mx2.h> #define DMA_DCR 0x00 /* Control Register */ @@ -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); |