Commit 549aaa84 authored by Sonic Zhang's avatar Sonic Zhang Committed by Bryan Wu

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

Singed-off-by: default avatarSonic Zhang <sonic.zhang@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent cad2ab65
......@@ -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;
......
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