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[Blackfin] arch: Fix bug - Setting peripheral_map only when dma channel is UART2/3. 

Singed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Sonic Zhang 2008-02-25 11:13:07 +08:00 committed by Bryan Wu
parent cad2ab65dd
commit 549aaa8425
1 changed files with 8 additions and 7 deletions
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5
arch/blackfin/kernel/bfin_dma_5xx.c
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@ -105,13 +105,14 @@ 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)
if (channel >= CH_UART2_RX && channel <= CH_UART3_TX) {
if (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);
}
#endif
dma_ch[channel].device_id = device_id;