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| author | Jon Derrick <jonathan.derrick@intel.com> | 2020-11-02 15:22:23 -0700 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2020-11-23 09:43:01 +0000 |
| commit | f6b7bb847ca821a8aaa1b6da10ee65311e6f15bf (patch) | |
| tree | e35898916c5e4a97208582041d4d9261a46ec7fa /drivers/pci/controller/pci-rcar-gen2.c | |
| parent | f8394f232b1eab649ce2df5c5f15b0e528c92091 (diff) | |
| download | linux-f6b7bb847ca821a8aaa1b6da10ee65311e6f15bf.tar.bz2 | |
PCI: vmd: Offset Client VMD MSI-X vectors
Client VMD platforms have a software-triggered MSI-X vector 0 that will
not forward hardware-remapped MSI from the sub-device domain. This
causes an issue with VMD platforms that use AHCI behind VMD and have a
single MSI-X vector remapped to VMD vector 0. Add a VMD MSI-X vector
offset for these platforms.
Link: https://lore.kernel.org/r/20201102222223.92978-1-jonathan.derrick@intel.com
Tested-by: Jian-Hong Pan <jhp@endlessos.org>
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Diffstat (limited to 'drivers/pci/controller/pci-rcar-gen2.c')
0 files changed, 0 insertions, 0 deletions