Hi,
I'm having some trouble with using the dma_map/unmap API.
On unmapping a particular page using dma_unmap, it seems that the
PG_dcache_clean flag is set in the page-flags. This is set by the
following statement in __dma_page_dev_to_cpu function in
arch/arm/mm/dma-mapping.c
On Thu, Aug 15, 2013 at 02:35:59AM -0500, Joel Fernandes wrote:
Hi,
I'm having some trouble with using the dma_map/unmap API.
On unmapping a particular page using dma_unmap, it seems that the
PG_dcache_clean flag is set in the page-flags. This is set by the
following statement in
Hi Russell,
On 08/15/2013 06:55 AM, Russell King - ARM Linux wrote:
On Thu, Aug 15, 2013 at 02:35:59AM -0500, Joel Fernandes wrote:
Hi,
I'm having some trouble with using the dma_map/unmap API.
On unmapping a particular page using dma_unmap, it seems that the
PG_dcache_clean flag is set in
