Re: [PATCH RFT RESEND linux-next] hexagon: dma-mapping: supportdebug_dma_mapping_error

From: Richard Kuo
Date: Sun Nov 04 2012 - 20:09:11 EST


On Fri, Nov 02, 2012 at 10:48:21AM -0600, Shuah Khan wrote:
> On Fri, 2012-10-26 at 09:43 -0600, Shuah Khan wrote:
> > Add support for debug_dma_mapping_error() call to avoid warning from
> > debug_dma_unmap() interface when it checks for mapping error checked
> > status. Without this patch, device driver failed to check map error
> > warning is generated.
> >
> > Signed-off-by: Shuah Khan <shuah.khan@xxxxxx>
> > ---
> > arch/hexagon/include/asm/dma-mapping.h | 1 +
> > 1 file changed, 1 insertion(+)
>
> Would you like se this patch go through arch tree or linux-next? Please
> let me know your preference.
>
> -- Shuah
> >
> > diff --git a/arch/hexagon/include/asm/dma-mapping.h b/arch/hexagon/include/asm/dma-mapping.h
> > index 85e9935..1957c4c 100644
> > --- a/arch/hexagon/include/asm/dma-mapping.h
> > +++ b/arch/hexagon/include/asm/dma-mapping.h
> > @@ -65,6 +65,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
> > {
> > struct dma_map_ops *dma_ops = get_dma_ops(dev);
> >
> > + debug_dma_mapping_error(dev, dma_addr);
> > if (dma_ops->mapping_error)
> > return dma_ops->mapping_error(dev, dma_addr);
> >
>
>

This looks fine; I'm OK with this going through linux-next. Thanks!

Acked-by: Richard Kuo <rkuo@xxxxxxxxxxxxxx>


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