Re: [PATCH] mmc: dw_mmc: Fix switch from DMA to PIO

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Apr 10, 2012 at 1:53 AM, Seungwon Jeon <tgih.jun@xxxxxxxxxxx> wrote:
> When dw_mci_pre_dma_transfer returns failure in some reasons,
> dw_mci_submit_data will prepare to switch the PIO mode from DMA.
> After switching to PIO mode, DMA(IDMAC in particular) is still
> enabled. This makes the corruption in handling interrupt and
> the driver lock-up.
>
> Signed-off-by: Seungwon Jeon <tgih.jun@xxxxxxxxxxx>

This looks ok to me.

Acked-by: Will Newton <will.newton@xxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux