tree 772bdd145b5cb91a5573af1c493b4e32a93b552c
parent 6c998abb1ea54b3d83420f68ce382354a30f2238
author Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> 1655287843 +0100
committer Joerg Roedel <jroedel@suse.de> 1657104671 +0200

iommu/arm-smmu-v3: Get associated RMR info and install bypass STE

Check if there is any RMR info associated with the devices behind
the SMMUv3 and if any, install bypass STEs for them. This is to
keep any ongoing traffic associated with these devices alive
when we enable/reset SMMUv3 during probe().

Tested-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20220615101044.1972-9-shameerali.kolothum.thodi@huawei.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>