RE: [PATCH] common: dma-mapping: add support for generic dma_mmap_* calls

[Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>]

Hi,

On Friday, June 29, 2012 1:10 PM Clemens Ladisch wrote:

> Marek Szyprowski wrote:
> > +++ b/drivers/base/dma-mapping.c
> > ...
> > +int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
> > +		    void *cpu_addr, dma_addr_t dma_addr, size_t size)
> > +{
> > +	int ret = -ENXIO;
> > +	...
> > +	if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
> > +		return ret;
> 
> This will return -ENXIO if dma_mmap_from_coherent() succeeds.
 
Thanks for spotting this! I will fix it in the next version of the patch.

Best regards
-- 
Marek Szyprowski
Samsung Poland R&D Center


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