diff options
| -rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 10 | ||||
| -rw-r--r-- | include/asm-blackfin/dma.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index 7cf02f02a1db..7e2201908356 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c @@ -345,6 +345,16 @@ void set_dma_sg(unsigned int channel, struct dmasg *sg, int nr_sg) } EXPORT_SYMBOL(set_dma_sg); +void set_dma_curr_addr(unsigned int channel, unsigned long addr) +{ + BUG_ON(!(dma_ch[channel].chan_status != DMA_CHANNEL_FREE + && channel < MAX_BLACKFIN_DMA_CHANNEL)); + + dma_ch[channel].regs->curr_addr_ptr = addr; + SSYNC(); +} +EXPORT_SYMBOL(set_dma_curr_addr); + /*------------------------------------------------------------------------------ * Get the DMA status of a specific DMA channel from the system. *-----------------------------------------------------------------------------*/ diff --git a/include/asm-blackfin/dma.h b/include/asm-blackfin/dma.h index be0d913e5516..4269082b154a 100644 --- a/include/asm-blackfin/dma.h +++ b/include/asm-blackfin/dma.h @@ -159,6 +159,7 @@ void set_dma_y_modify(unsigned int channel, short y_modify); void set_dma_config(unsigned int channel, unsigned short config); unsigned short set_bfin_dma_config(char direction, char flow_mode, char intr_mode, char dma_mode, char width); +void set_dma_curr_addr(unsigned int channel, unsigned long addr); /* get curr status for polling */ unsigned short get_dma_curr_irqstat(unsigned int channel); |