RE: [PATCH v2] mmc: davinci: allow driver to work without DMA resource

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Hi Chris,

As there are no comments, Could you please accept this patch?

Thanks,
Prakash

On Tue, Feb 05, 2013 at 17:52:24, Manjunathappa, Prakash wrote:
> Do not return probe failure with missing DMA resources,
> allow driver to work in PIO mode.
> Tested on da850-evm by mounting partition followed by
> file creation and deletion.
> 
> Signed-off-by: Manjunathappa, Prakash <prakash.pm@xxxxxx>
> ---
> Since v1:
> Specified missing DMA resource(RX/TX).
> 
>  drivers/mmc/host/davinci_mmc.c |   10 ++++++----
>  1 files changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
> index 2063677..27123f8 100644
> --- a/drivers/mmc/host/davinci_mmc.c
> +++ b/drivers/mmc/host/davinci_mmc.c
> @@ -1190,13 +1190,15 @@ static int __init davinci_mmcsd_probe(struct platform_device *pdev)
>  
>  	r = platform_get_resource(pdev, IORESOURCE_DMA, 0);
>  	if (!r)
> -		goto out;
> -	host->rxdma = r->start;
> +		dev_warn(&pdev->dev, "RX DMA resource not specified\n");
> +	else
> +		host->rxdma = r->start;
>  
>  	r = platform_get_resource(pdev, IORESOURCE_DMA, 1);
>  	if (!r)
> -		goto out;
> -	host->txdma = r->start;
> +		dev_warn(&pdev->dev, "TX DMA resource not specified\n");
> +	else
> +		host->txdma = r->start;
>  
>  	host->mem_res = mem;
>  	host->base = ioremap(mem->start, mem_size);
> -- 
> 1.7.4.1
> 
> 

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