Hi Chris,

Can you take this one please?

Sascha

On Thu, Aug 25, 2011 at 11:33:05AM +0200, Sascha Hauer wrote:
> When we can't configure the dma channel we want to fall
> back to PIO. We do this by setting host->do_dma to zero.
> This does not work as do_dma is used to see whether dma
> can be used for the current transfer. Instead, we have
> to set host->dma to NULL.
> 
> Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
> Cc: Chris Ball <c...@laptop.org>
> Cc: linux-mmc@vger.kernel.org
> ---
>  drivers/mmc/host/mxcmmc.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
> index 14aa213..4dc9008 100644
> --- a/drivers/mmc/host/mxcmmc.c
> +++ b/drivers/mmc/host/mxcmmc.c
> @@ -730,7 +730,8 @@ static void mxcmci_set_ios(struct mmc_host *mmc, struct 
> mmc_ios *ios)
>                       dev_err(mmc_dev(host->mmc),
>                               "failed to config DMA channel. Falling back to 
> PIO\n");
>                       dma_release_channel(host->dma);
> -                     host->do_dma = 0;
> +                     host->dma = NULL;
> +                     host->dma = 0;
>               }
>       }
>  
> -- 
> 1.7.5.4
> 
> 

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