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[RAMEN9610-12270] iommu/exynos: do not force IOMMU_CACHE
authorCho KyongHo <pullip.cho@samsung.com>
Mon, 18 Feb 2019 02:28:45 +0000 (11:28 +0900)
committerCosmin Tanislav <demonsingur@gmail.com>
Mon, 22 Apr 2024 17:23:17 +0000 (20:23 +0300)
commit823bd3985ef2c233a0aee6bb3f567af43703fc3c
tree77c736ce0ea7471cfc159c0cd08029ddfbca01edtree | snapshot (tar.gz zip)
parent531fa4edb15549415d004289e15eb3ec557d8691commit | diff
[RAMEN9610-12270] iommu/exynos: do not force IOMMU_CACHE

IOMMU_CACHE of Exynos IOMMU means shareable in the page tables of IOMMU.
Forcing shareable to all I/O coherent DMAs may obstruct changes to
shareability property of DMAs of the client drivers.

Change-Id: Ibb5e0f5f5a0e0ef6942b2d7901014e6b94e430b1
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>
drivers/iommu/exynos-iovmm.c diff | blob | blame | history