[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>
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@ -105,13 +105,14 @@ int request_dma(unsigned int channel, char *device_id)
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mutex_unlock(&(dma_ch[channel].dmalock));
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mutex_unlock(&(dma_ch[channel].dmalock));
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#ifdef CONFIG_BF54x
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#ifdef CONFIG_BF54x
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if (channel >= CH_UART2_RX && channel <= CH_UART3_TX &&
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if (channel >= CH_UART2_RX && channel <= CH_UART3_TX) {
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strncmp(device_id, "BFIN_UART", 9) == 0)
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if (strncmp(device_id, "BFIN_UART", 9) == 0)
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dma_ch[channel].regs->peripheral_map |=
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dma_ch[channel].regs->peripheral_map |=
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(channel - CH_UART2_RX + 0xC);
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(channel - CH_UART2_RX + 0xC);
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else
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else
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dma_ch[channel].regs->peripheral_map |=
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dma_ch[channel].regs->peripheral_map |=
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(channel - CH_UART2_RX + 0x6);
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(channel - CH_UART2_RX + 0x6);
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}
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#endif
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#endif
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dma_ch[channel].device_id = device_id;
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dma_ch[channel].device_id = device_id;
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