diff options
| author | Manish Jaggi <mjaggi@caviumnetworks.com> | 2017-03-31 01:47:14 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-03-31 01:47:14 +0200 |
| commit | b77d537d00d08fcf0bf641cd3491dd7df0ad1475 (patch) | |
| tree | 177da5471184834d04d1a05369a5534965873d6a /drivers/pci/quirks.c | |
| parent | Linux 4.11-rc1 (diff) | |
| download | linux-b77d537d00d08fcf0bf641cd3491dd7df0ad1475.tar.xz linux-b77d537d00d08fcf0bf641cd3491dd7df0ad1475.zip | |
PCI: Apply Cavium ACS quirk only to CN81xx/CN83xx/CN88xx devices
Only apply the Cavium ACS quirk to devices with ID in the range
0xa000-0xa0ff. These are the on-chip PCI devices for CN81xx/CN83xx/CN88xx.
Fixes: b404bcfbf035 ("PCI: Add ACS quirk for all Cavium devices")
Reported-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Manish Jaggi <mjaggi@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/pci/quirks.c')
| -rw-r--r-- | drivers/pci/quirks.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index f754453fe754..178242d0d9df 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4094,6 +4094,9 @@ static int pci_quirk_cavium_acs(struct pci_dev *dev, u16 acs_flags) acs_flags &= ~(PCI_ACS_SV | PCI_ACS_TB | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF | PCI_ACS_DT); + if (!((dev->device >= 0xa000) && (dev->device <= 0xa0ff))) + return -ENOTTY; + return acs_flags ? 0 : 1; } |