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

Marek Szyprowski wrote: > 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) >>

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

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

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

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_a