Re: [PATCH v3 4/8] arm: dma-mapping: add {map, unmap}_resource for iommu ops

2016-02-10 Thread Laurent Pinchart
Hi Niklas, Thank you for the patch. On Wednesday 10 February 2016 01:57:54 Niklas Söderlund wrote: > Add methods to map/unmap device resources addresses for dma_map_ops that > are IOMMU aware. This is needed to map a device MMIO register from a > physical address. > > Signed-off-by: Niklas

[PATCH v3 4/8] arm: dma-mapping: add {map, unmap}_resource for iommu ops

2016-02-09 Thread Niklas Söderlund
Add methods to map/unmap device resources addresses for dma_map_ops that are IOMMU aware. This is needed to map a device MMIO register from a physical address. Signed-off-by: Niklas Söderlund --- arch/arm/mm/dma-mapping.c | 63