From: Mark yao <mark.yao@rock-chips.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org,
Arnd Bergmann <arnd@arndb.de>, Will Deacon <will.deacon@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Robin Murphy <robin.murphy@arm.com>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
Joerg Roedel <joro@8bytes.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Sakari Ailus <sakari.ailus@iki.fi>,
Heiko Stuebner <heiko@sntech.de>,
Tomasz Figa <tfiga@chromium.org>, Inki Dae <inki.dae@samsung.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>
Subject: Re: [RFC 3/3] iommu: dma-iommu: use common implementation also on ARM architecture
Date: Mon, 18 Apr 2016 10:20:46 +0800 [thread overview]
Message-ID: <5714447E.2030400@rock-chips.com> (raw)
In-Reply-To: <1455870164-25337-4-git-send-email-m.szyprowski@samsung.com>
On 2016年02月19日 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<m.szyprowski@samsung.com>
IOMMU works good on drm/rockchip ARM64 platform with this patch. So
Tested-by: Mark Yao <mark.yao@rock-chips.com>
Thanks.
--
Ｍark Yao
next prev parent reply other threads:[~2016-04-18 2:21 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-19 8:22 [RFC 0/3] Unify IOMMU-based DMA-mapping code for ARM and ARM64 Marek Szyprowski
2016-02-19 8:22 ` [RFC 1/3] drm/exynos: rewrite IOMMU support code Marek Szyprowski
2016-02-19 8:22 ` [RFC 2/3] iommu: dma-iommu: move IOMMU/DMA-mapping code from ARM64 arch to drivers Marek Szyprowski
2016-04-18 2:20 ` Mark yao
2016-02-19 8:22 ` [RFC 3/3] iommu: dma-iommu: use common implementation also on ARM architecture Marek Szyprowski
2016-02-19 10:30 ` Arnd Bergmann
2016-02-25 12:26 ` Marek Szyprowski
2016-02-25 14:44 ` Arnd Bergmann
2016-03-15 12:33 ` Robin Murphy
2016-03-15 11:18 ` Magnus Damm
2016-03-15 11:45 ` Robin Murphy
2016-03-15 12:03 ` Marek Szyprowski
2016-04-18 2:20 ` Mark yao [this message]
2016-04-18 2:18 ` [RFC 0/3] Unify IOMMU-based DMA-mapping code for ARM and ARM64 Mark yao
2016-04-19 3:17 ` [PATCH] drm/rockchip: rewrite IOMMU support code Mark Yao
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