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Commit 78e83cfc authored by Yicong Yang's avatar Yicong Yang Committed by Greg Kroah-Hartman
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iommu/arm-smmu-v3: Make default domain type of HiSilicon PTT device to identity

[ Upstream commit 24b6c779

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The DMA operations of HiSilicon PTT device can only work properly with
identical mappings. So add a quirk for the device to force the domain
as passthrough.

Acked-by: default avatarWill Deacon <will@kernel.org>
Signed-off-by: default avatarYicong Yang <yangyicong@hisilicon.com>
Reviewed-by: default avatarJohn Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/20220816114414.4092-2-yangyicong@huawei.com
Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 62006a72
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