iommu/arm-smmu: Get associated RMR info and install bypass SMR
Check if there is any RMR info associated with the devices behind the SMMU and if any, install bypass SMRs for them. This is to keep any ongoing traffic associated with these devices alive when we enable/reset SMMU during probe(). Signed-off-by: Jon Nettleton <jon@solid-run.com> Signed-off-by: Steven Price <steven.price@arm.com> Tested-by: Steven Price <steven.price@arm.com> Tested-by: Laurentiu Tudor <laurentiu.tudor@nxp.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/20220615101044.1972-10-shameerali.kolothum.thodi@huawei.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
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