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| author |   Vidya Sagar <vidyas@nvidia.com> | 2022-07-21 19:50:43 +0530 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2022-07-22 17:14:56 -0500 |
| commit | bf32b8f952cced43001f783b42e95c75dfec9ba1 (patch) | |
| tree | a018260b4d3cb47ce7f48fdbee018d5cf4737489 /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | dt-bindings: PCI: tegra234: Add schema for tegra234 Endpoint mode (diff) | |
| download | linux-dev-bf32b8f952cced43001f783b42e95c75dfec9ba1.tar.xz linux-dev-bf32b8f952cced43001f783b42e95c75dfec9ba1.zip | |
PCI: Disable MSI for Tegra234 Root Ports
Tegra234 PCIe Root Ports don't generate MSI interrupts for PME and AER
events. Since PCIe spec (r6.0 sec 6.1.4.3) doesn't support using a mix of
INTx and MSI/MSI-X, MSI needs to be disabled to avoid Root Port service
drivers registering their respective ISRs with MSI interrupt and to let
only INTx be used for all events.
Link: https://lore.kernel.org/r/20220721142052.25971-8-vidyas@nvidia.com
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions