mainline inclusion
from mainline-5.13-rc1
commit cdf315f9
category: feature
bugzilla: 51855
CVE: NA

---------------------------------------------

When handling faults from the event or PRI queue, we need to find the
struct device associated with a SID. Add a rb_tree to keep track of
SIDs.
Acked-by: NJonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: NEric Auger <eric.auger@redhat.com>
Reviewed-by: NKeqian Zhu <zhukeqian1@huawei.com>
Signed-off-by: NJean-Philippe Brucker <jean-philippe@linaro.org>
Acked-by: NWill Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210401154718.307519-8-jean-philippe@linaro.orgSigned-off-by: NJoerg Roedel <jroedel@suse.de>
Signed-off-by: NLijun Fang <fanglijun3@huawei.com>
Reviewed-by: NWeilong Chen <chenweilong@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>