On Fri, 17 Mar 2017 12:46:29 +0530 Manish Jaggi <[email protected]> wrote:
> ACS quirk applies to devices with ID in the range a000-a0XX. > The patch adds a check.This matches on-chip pci devices for > CN81xx/CN83xx/CN88xx > > This patch adds check to > b404bcfbf0 : PCI: Add ACS quirk for all Cavium devices > > Signed-off-by: Manish Jaggi <[email protected]> > Acked-by: David Daney <[email protected]> Fixes: b404bcfbf035 ("PCI: Add ACS quirk for all Cavium devices") Reported-by: Alex Williamson <[email protected]> Acked-by: Alex Williamson <[email protected]> Thanks > --- > drivers/pci/quirks.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c > index f754453..178242d 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; > } >
