Re: [PATCH 07/15] tty: serial: 8250_dma: enqueue RX dma again on completion.

From: Sebastian Andrzej Siewior
Date: Fri Aug 29 2014 - 11:53:28 EST


On 08/18/2014 12:52 PM, One Thousand Gnomes wrote:
>
>> if (!up->dma || dma_err)
>> status = serial8250_rx_chars(up, status);
>> +
>> + if (dma_err && port->type == PORT_OMAP_16750)
>> + serial8250_rx_dma(up, 0);
>
> Can we stick to a 'has dma' flag and port->rx_dma() type usages so that
> we don't have to rewrite it again to add them the next slightly odd DMA
> user we add 8)

I hide this behind a bug flag, something like UART_NEEDS_DMA_RX_PENDING.

Sebastian
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