diff options
Diffstat (limited to 'arch/blackfin/kernel/bfin_dma_5xx.c')
| -rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index 5453bc3664fc..fd5448d6107c 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c @@ -67,7 +67,7 @@ static int __init blackfin_dma_init(void) for (i = 0; i < MAX_BLACKFIN_DMA_CHANNEL; i++) { dma_ch[i].chan_status = DMA_CHANNEL_FREE; - dma_ch[i].regs = base_addr[i]; + dma_ch[i].regs = dma_io_base_addr[i]; mutex_init(&(dma_ch[i].dmalock)); } /* Mark MEMDMA Channel 0 as requested since we're using it internally */ @@ -105,13 +105,17 @@ int request_dma(unsigned int channel, char *device_id) mutex_unlock(&(dma_ch[channel].dmalock)); #ifdef CONFIG_BF54x - if (channel >= CH_UART2_RX && channel <= CH_UART3_TX && - strncmp(device_id, "BFIN_UART", 9) == 0) - dma_ch[channel].regs->peripheral_map |= - (channel - CH_UART2_RX + 0xC); - else - dma_ch[channel].regs->peripheral_map |= - (channel - CH_UART2_RX + 0x6); + if (channel >= CH_UART2_RX && channel <= CH_UART3_TX) { + if (strncmp(device_id, "BFIN_UART", 9) == 0) { + dma_ch[channel].regs->peripheral_map &= 0x0FFF; + dma_ch[channel].regs->peripheral_map |= + ((channel - CH_UART2_RX + 0xC)<<12); + } else { + dma_ch[channel].regs->peripheral_map &= 0x0FFF; + dma_ch[channel].regs->peripheral_map |= + ((channel - CH_UART2_RX + 0x6)<<12); + } + } #endif dma_ch[channel].device_id = device_id; |