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 <mjaggi@xxxxxxxxxx>
Acked-by: David Daney <david.daney@xxxxxxxxxx>
---
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;
}
--
2.7.4
