From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v2 7/7] arm: dma-mapping: plumb our iommu mapping ops into arch_setup_dma_ops
Date: Tue, 02 Sep 2014 20:14:24 +0200 [thread overview]
Message-ID: <6595943.s3o5K6pyp9@wuerfel> (raw)
In-Reply-To: <1409680587-29818-8-git-send-email-will.deacon@arm.com>
On Tuesday 02 September 2014 18:56:27 Will Deacon wrote:
> This patch plumbs the existing ARM IOMMU DMA infrastructure (which isn't
> actually called outside of a few drivers) into arch_setup_dma_ops, so
> that we can use IOMMUs for DMA transfers in a more generic fashion.
>
> Since this significantly complicates the arch_setup_dma_ops function,
> it is moved out of line into dma-mapping.c. If CONFIG_ARM_DMA_USE_IOMMU
> is not set, the iommu paramater is ignored and the normal ops are used
> instead.
>
> Signed-off-by: Will Deacon <will.deacon@arm.com>
>
Looks great to me.
Arnd
next prev parent reply other threads:[~2014-09-02 18:14 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-02 17:56 [RFC PATCH v2 0/7] Introduce automatic DMA configuration for IOMMU masters Will Deacon
2014-09-02 17:56 ` [RFC PATCH v2 1/7] iommu: provide early initialisation hook for IOMMU drivers Will Deacon
2014-09-10 11:29 ` Marek Szyprowski
2014-09-02 17:56 ` [RFC PATCH v2 2/7] dma-mapping: replace set_arch_dma_coherent_ops with arch_setup_dma_ops Will Deacon
2014-09-05 15:37 ` Grygorii Strashko
2014-09-08 10:31 ` Will Deacon
2014-09-09 14:15 ` Grygorii Strashko
2014-09-02 17:56 ` [RFC PATCH v2 3/7] iommu: add new iommu_ops callback for adding an OF device Will Deacon
2014-09-10 11:16 ` Marek Szyprowski
2014-09-10 11:22 ` Will Deacon
2014-09-10 11:33 ` Will Deacon
2014-09-02 17:56 ` [RFC PATCH v2 4/7] iommu: provide helper function to configure an IOMMU for an of master Will Deacon
2014-09-02 19:10 ` Arnd Bergmann
2014-09-04 11:26 ` Will Deacon
2014-09-04 11:59 ` Arnd Bergmann
2014-09-04 12:28 ` Will Deacon
2014-09-10 13:01 ` Laurent Pinchart
2014-09-10 13:06 ` Will Deacon
2014-09-02 17:56 ` [RFC PATCH v2 5/7] dma-mapping: detect and configure IOMMU in of_dma_configure Will Deacon
2014-09-02 17:56 ` [RFC PATCH v2 6/7] arm: call iommu_init before of_platform_populate Will Deacon
2014-09-02 18:13 ` Arnd Bergmann
2014-09-02 17:56 ` [RFC PATCH v2 7/7] arm: dma-mapping: plumb our iommu mapping ops into arch_setup_dma_ops Will Deacon
2014-09-02 18:14 ` Arnd Bergmann [this message]
2014-09-02 19:11 ` [RFC PATCH v2 0/7] Introduce automatic DMA configuration for IOMMU masters Arnd Bergmann
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