Re: [PATCH v7 05/07] iommu/ipmmu-vmsa: Add new IOMMU_DOMAIN_DMA ops

From: Joerg Roedel
Date: Wed Mar 22 2017 - 10:26:30 EST


On Tue, Mar 07, 2017 at 12:17:33PM +0900, Magnus Damm wrote:
> From: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
>
> Introduce an alternative set of iommu_ops suitable for 64-bit ARM
> as well as 32-bit ARM when CONFIG_IOMMU_DMA=y. Also adjust the
> Kconfig to depend on ARM or IOMMU_DMA. Initialize the device
> from ->xlate() when CONFIG_IOMMU_DMA=y.
>
> Signed-off-by: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
> ---
>
> Changes since V6:
> - Rolled in the following patches from "r8a7795 support V2":
> [PATCH v2 04/11] iommu/ipmmu-vmsa: Reuse iommu groups
> [PATCH v2 06/11] iommu/ipmmu-vmsa: Teach xlate() to skip disabled iommus
> - Moved find_group() implementation to prevent warning on 32-bit ARM
> - Rolled in the following patch from "IPMMU slave device whitelist V2":
> [PATCH/RFC v2 3/4] iommu/ipmmu-vmsa: Check devices in xlate()
>
> drivers/iommu/Kconfig | 1
> drivers/iommu/ipmmu-vmsa.c | 164 +++++++++++++++++++++++++++++++++++++++++---
> 2 files changed, 157 insertions(+), 8 deletions(-)

Reviewed-by: Joerg Roedel <jroedel@xxxxxxx>