From: will.deacon@arm.com (Will Deacon) Date: Wed, 12 Aug 2015 15:53:46 +0100 Subject: [PATCH 4/5] iommu/msm: Set cacheability attributes without tex remap In-Reply-To: <1439390869-6347-5-git-send-email-sricharan@codeaurora.org> References: <1439390869-6347-1-git-send-email-sricharan@codeaurora.org> <1439390869-6347-5-git-send-email-sricharan@codeaurora.org> Message-ID: <20150812145346.GH23540@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Aug 12, 2015 at 03:47:48PM +0100, Sricharan R wrote: > The cacheablity attributes are set when IOMMU_CACHE property > is true. So cachebility is set as either noncached (normal) > or cached (normal WBWA) directly and avoid setting using > tex remap. Does this IOMMU support the ARMv7 short descriptor format? If so, would it work with Yong's patch here: http://lists.infradead.org/pipermail/linux-arm-kernel/2015-August/361615.html I've not gotten around to reviewing the latest version yet, but having other IOMMUs consolidate on one set of page table code would be a good thing. Will