Hello,
On Thursday, July 26, 2012 1:13 PM Hideki EIRAKU wrote:
> Previously the vb2_dma_contig_mmap() function was using a dma_addr_t as a
> physical address. The two addressses are not necessarily the same.
> For example, when using the IOMMU funtion on certain platforms, dma_addr_t
> addresses
Previously the vb2_dma_contig_mmap() function was using a dma_addr_t as a
physical address. The two addressses are not necessarily the same.
For example, when using the IOMMU funtion on certain platforms, dma_addr_t
addresses are not directly mappable physical address.
dma_mmap_coherent() maps the
