Hello,
On 3/27/2013 7:59 AM, Michael Cree wrote:
On Thu, Nov 15, 2012 at 10:49:28AM -0700, Shuah Khan wrote:
> On Fri, 2012-10-26 at 10:32 -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/alpha/include/asm/dma-mapping.h | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h
> > index dfa32f0..b4d483b 100644
> > --- a/arch/alpha/include/asm/dma-mapping.h
> > +++ b/arch/alpha/include/asm/dma-mapping.h
> > @@ -32,6 +32,7 @@ static inline void dma_free_attrs(struct device *dev, size_t size,
> >
> > static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
> > {
> > + debug_dma_mapping_error(dev, dma_addr);
> > return get_dma_ops(dev)->mapping_error(dev, dma_addr);
> > }
> >
>
> Marek,
>
> This is for alpha to go through your tree.
Given that this does not appear to be upstream yet I'll take it through
the Alpha tree.
Those patches in the end went via IOMMU tree. I looks that the patch for
Alpha has
been missed. It looks that this patch should be merged to v3.9-rcX asap
to fix the
broken dma-mapping api calls.
Best regards
--
Marek Szyprowski
Samsung Poland R&D Center
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