From mboxrd@z Thu Jan 1 00:00:00 1970 From: mark.yao@rock-chips.com (Mark yao) Date: Mon, 18 Apr 2016 10:20:46 +0800 Subject: [RFC 3/3] iommu: dma-iommu: use common implementation also on ARM architecture In-Reply-To: <1455870164-25337-4-git-send-email-m.szyprowski@samsung.com> References: <1455870164-25337-1-git-send-email-m.szyprowski@samsung.com> <1455870164-25337-4-git-send-email-m.szyprowski@samsung.com> Message-ID: <5714447E.2030400@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 2016?02?19? 16:22, Marek Szyprowski wrote: > This patch replaces ARM-specific IOMMU-based DMA-mapping implementation > with generic IOMMU DMA-mapping code shared with ARM64 architecture. The > side-effect of this change is a switch from bitmap-based IO address space > management to tree-based code. There should be no functional changes > for drivers, which rely on initialization from generic arch_setup_dna_ops() > interface. Code, which used old arm_iommu_* functions must be updated to > new interface. > > Signed-off-by: Marek Szyprowski IOMMU works good on drm/rockchip ARM64 platform with this patch. So Tested-by: Mark Yao Thanks. -- ?ark Yao