On Mon 22 Mar 2010 05:37, [email protected] pondered:
> Revision
> 8528<http://blackfin.uclinux.org/gf/project/linux-kernel/scmsvn/?action=browse&path=/&view=rev&root=linux-kernel&revision=8528>
> Author
> bhsong<http://blackfin.uclinux.org/gf/user/bhsong/>
> Date
> 2010-03-22 05:37:11 -0400 (Mon, 22 Mar 2010)
> Log Message
>
> bfin-serial: use nosync mode for dma_disable_irq in timer function
Why? Does this fix a bug?
> Modified Paths
>
> * trunk/drivers/serial/bfin_5xx.c
>
> Diff
> Modified: trunk/drivers/serial/bfin_5xx.c (8527 => 8528)
>
>
> --- trunk/drivers/serial/bfin_5xx.c 2010-03-22 07:02:06 UTC (rev 8527)
> +++ trunk/drivers/serial/bfin_5xx.c 2010-03-22 09:37:11 UTC (rev 8528)
> @@ -486,7 +486,7 @@
> {
> int x_pos, pos;
>
> - dma_disable_irq(uart->rx_dma_channel);
> + dma_disable_irq_nosync(uart->rx_dma_channel);
> spin_lock_bh(&uart->rx_lock);
>
> /* 2D DMA RX buffer ring is used. Because curr_y_count and
>
>
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