Messages in this thread Patch in this message | | | From | Manish Jaggi <> | Subject | [PATCH] pci: quirk cavium: Add device ID range check | Date | Fri, 17 Mar 2017 12:46:29 +0530 |
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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@cavium.com> Acked-by: David Daney <david.daney@cavium.com> --- 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
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