diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2020-11-06 17:32:55 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-06 17:33:38 -0800 |
| commit | ae0d0bb29b311ee3c71c8796f76d309a3779c8d9 (patch) | |
| tree | ae8e6f90d4eec5594bf42fe7aa9c3d989fc4317e /drivers/pci/pci.c | |
| parent | 9f32c27eb4fc4426eedd511697d921a932f7dba6 (diff) | |
| parent | bf3e76289cd28b87f679cd53e26d67fd708d718a (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 6d4d5a2f923d..e578d34095e9 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -3516,8 +3516,13 @@ void pci_acs_init(struct pci_dev *dev) { dev->acs_cap = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ACS); - if (dev->acs_cap) - pci_enable_acs(dev); + /* + * Attempt to enable ACS regardless of capability because some Root + * Ports (e.g. those quirked with *_intel_pch_acs_*) do not have + * the standard ACS capability but still support ACS via those + * quirks. + */ + pci_enable_acs(dev); } /** |