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| author | Pali Rohár <pali@kernel.org> | 2021-10-05 21:09:43 +0300 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2021-10-07 16:23:31 +0300 |
| commit | d419052bc6c60fa4ab2b5a51d5f1e55a66e2b4ff (patch) | |
| tree | af868f92941fa9b02487c8163e7d19ec29b69f71 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 464de7e7fff767e87429cd7be09c4f2cb50a6ccb (diff) | |
| download | linux-d419052bc6c60fa4ab2b5a51d5f1e55a66e2b4ff.tar.xz | |
PCI: aardvark: Fix preserving PCI_EXP_RTCTL_CRSSVE flag on emulated bridge
Commit 43f5c77bcbd2 ("PCI: aardvark: Fix reporting CRS value") started
using CRSSVE flag for handling CRS responses.
PCI_EXP_RTCTL_CRSSVE flag is stored only in emulated config space buffer
and there is handler for PCI_EXP_RTCTL register. So every read operation
from config space automatically clears CRSSVE flag as it is not defined in
PCI_EXP_RTCTL read handler.
Fix this by reading current CRSSVE bit flag from emulated space buffer and
appending it to PCI_EXP_RTCTL read response.
Link: https://lore.kernel.org/r/20211005180952.6812-5-kabel@kernel.org
Fixes: 43f5c77bcbd2 ("PCI: aardvark: Fix reporting CRS value")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Marek Behún <kabel@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions