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| author | Vidya Sagar <vidyas@nvidia.com> | 2019-08-13 17:06:16 +0530 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2019-08-13 15:42:02 +0100 |
| commit | 8c7e96d3fe75bb41fadf23e7a494f37d1cd9906c (patch) | |
| tree | e63ea0e8daca556621de578adc5203c5f54d5eca /drivers/pci/controller/dwc/pci-layerscape.c | |
| parent | 448d5a55759a2e60208b75ceed4bd88cd4f5a963 (diff) | |
| download | linux-8c7e96d3fe75bb41fadf23e7a494f37d1cd9906c.tar.bz2 | |
PCI: Disable MSI for Tegra root ports
Tegra PCIe rootports don't generate MSI interrupts for PME and AER events.
Since PCIe spec (Ref: r4.0 sec 7.7.1.2 and 7.7.2.2) doesn't support using
a mix of INTx and MSI/MSI-X, MSI needs to be disabled to avoid root ports
service drivers registering their respective ISRs with MSI interrupt and
to let only INTx be used for all events.
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/pci/controller/dwc/pci-layerscape.c')
0 files changed, 0 insertions, 0 deletions