[PATCH 2/2] iommu/mediatek: Convert M4Uv1 to iommu_fwspec

Honghui Zhang honghui.zhang at mediatek.com
Wed Oct 19 00:12:39 PDT 2016


On Mon, 2016-10-17 at 12:49 +0100, Robin Murphy wrote:
> Our per-device data consists of the M4U instance and firmware-provided
> list of LARB IDs, which is a perfect fit for the generic iommu_fwspec
> machinery. Use that directly instead of the custom archdata code - while
> we can't rely on the of_xlate() mechanism to initialise things until the
> 32-bit ARM DMA code learns about groups and default domains, it still
> results in a reasonable simplification overall.
> 
> CC: Honghui Zhang <honghui.zhang at mediatek.com>
> Signed-off-by: Robin Murphy <robin.murphy at arm.com>

Thanks Robin.
Tested-by: Honghui Zhang <honghui.zhang at mediatek.com>

> ---
>  drivers/iommu/mtk_iommu.h    |  6 ---
>  drivers/iommu/mtk_iommu_v1.c | 95 +++++++++++++++++---------------------------
>  2 files changed, 36 insertions(+), 65 deletions(-)
> 





More information about the Linux-mediatek mailing list