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(parent: c3aaa1c) | patch
iommu/io-pgtable-arm: Add support to use system cache
authorSai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Wed, 25 Nov 2020 07:00:11 +0000 (12:30 +0530)
committerWill Deacon <will@kernel.org>
Wed, 25 Nov 2020 12:39:09 +0000 (12:39 +0000)
commitd9fe9f7784c6de91b55c3a58ca2dfb4524b417f9
tree0d28bec804f2f21c08b99b8bb937c53d52468213tree | snapshot
parentc3aaa1c5a55cb7a9778a40d9b205c23c511bcff5commit | diff
iommu/io-pgtable-arm: Add support to use system cache

Add a quirk IO_PGTABLE_QUIRK_ARM_OUTER_WBWA to override
the outer-cacheability attributes set in the TCR for a
non-coherent page table walker when using system cache.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Link: https://lore.kernel.org/r/f818676b4a2a9ad1edb92721947d47db41ed6a7c.1606287059.git.saiprakash.ranjan@codeaurora.org
Signed-off-by: Will Deacon <will@kernel.org>
drivers/iommu/io-pgtable-arm.c diff | blob | history
include/linux/io-pgtable.h diff | blob | history
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