[PATCH 4/5] iommu/msm: Set cacheability attributes without tex remap

Will Deacon will.deacon at arm.com
Wed Aug 12 07:53:46 PDT 2015


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



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