diff options
Diffstat (limited to 'arch/blackfin/kernel/bfin_dma_5xx.c')
| -rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index 8a16c2b..7cf02f0 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c @@ -332,7 +332,7 @@ set_bfin_dma_config(char direction, char flow_mode, } EXPORT_SYMBOL(set_bfin_dma_config); -void set_dma_sg(unsigned int channel, struct dmasg * sg, int nr_sg) +void set_dma_sg(unsigned int channel, struct dmasg *sg, int nr_sg) { BUG_ON(!(dma_ch[channel].chan_status != DMA_CHANNEL_FREE && channel < MAX_BLACKFIN_DMA_CHANNEL)); @@ -401,7 +401,7 @@ static void *__dma_memcpy(void *dest, const void *src, size_t size) if (size <= 0) return NULL; - + local_irq_save(flags); if ((unsigned long)src < memory_end) @@ -545,7 +545,6 @@ void *dma_memcpy(void *dest, const void *src, size_t size) addr = __dma_memcpy(dest+bulk, src+bulk, rest); return addr; } - EXPORT_SYMBOL(dma_memcpy); void *safe_dma_memcpy(void *dest, const void *src, size_t size) @@ -558,14 +557,13 @@ EXPORT_SYMBOL(safe_dma_memcpy); void dma_outsb(void __iomem *addr, const void *buf, unsigned short len) { - unsigned long flags; - + local_irq_save(flags); - - blackfin_dcache_flush_range((unsigned int)buf,(unsigned int)(buf) + len); - bfin_write_MDMA_D0_START_ADDR(addr); + blackfin_dcache_flush_range((unsigned int)buf, (unsigned int)(buf) + len); + + bfin_write_MDMA_D0_START_ADDR(addr); bfin_write_MDMA_D0_X_COUNT(len); bfin_write_MDMA_D0_X_MODIFY(0); bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR); @@ -593,9 +591,9 @@ EXPORT_SYMBOL(dma_outsb); void dma_insb(const void __iomem *addr, void *buf, unsigned short len) { unsigned long flags; - + local_irq_save(flags); - bfin_write_MDMA_D0_START_ADDR(buf); + bfin_write_MDMA_D0_START_ADDR(buf); bfin_write_MDMA_D0_X_COUNT(len); bfin_write_MDMA_D0_X_MODIFY(1); bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR); @@ -624,12 +622,12 @@ EXPORT_SYMBOL(dma_insb); void dma_outsw(void __iomem *addr, const void *buf, unsigned short len) { unsigned long flags; - + local_irq_save(flags); - - blackfin_dcache_flush_range((unsigned int)buf,(unsigned int)(buf) + len); - bfin_write_MDMA_D0_START_ADDR(addr); + blackfin_dcache_flush_range((unsigned int)buf, (unsigned int)(buf) + len); + + bfin_write_MDMA_D0_START_ADDR(addr); bfin_write_MDMA_D0_X_COUNT(len); bfin_write_MDMA_D0_X_MODIFY(0); bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR); @@ -656,10 +654,10 @@ EXPORT_SYMBOL(dma_outsw); void dma_insw(const void __iomem *addr, void *buf, unsigned short len) { unsigned long flags; - + local_irq_save(flags); - - bfin_write_MDMA_D0_START_ADDR(buf); + + bfin_write_MDMA_D0_START_ADDR(buf); bfin_write_MDMA_D0_X_COUNT(len); bfin_write_MDMA_D0_X_MODIFY(2); bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR); @@ -688,12 +686,12 @@ EXPORT_SYMBOL(dma_insw); void dma_outsl(void __iomem *addr, const void *buf, unsigned short len) { unsigned long flags; - + local_irq_save(flags); - - blackfin_dcache_flush_range((unsigned int)buf,(unsigned int)(buf) + len); - bfin_write_MDMA_D0_START_ADDR(addr); + blackfin_dcache_flush_range((unsigned int)buf, (unsigned int)(buf) + len); + + bfin_write_MDMA_D0_START_ADDR(addr); bfin_write_MDMA_D0_X_COUNT(len); bfin_write_MDMA_D0_X_MODIFY(0); bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR); @@ -720,10 +718,10 @@ EXPORT_SYMBOL(dma_outsl); void dma_insl(const void __iomem *addr, void *buf, unsigned short len) { unsigned long flags; - + local_irq_save(flags); - - bfin_write_MDMA_D0_START_ADDR(buf); + + bfin_write_MDMA_D0_START_ADDR(buf); bfin_write_MDMA_D0_X_COUNT(len); bfin_write_MDMA_D0_X_MODIFY(4); bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR); |
