diff options
| author | Manish Jaggi <mjaggi@caviumnetworks.com> | 2017-03-30 18:47:14 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-22 09:17:45 +0100 |
| commit | aad6ccac0e4fddcfd1b04a2cbd95b550c59da23e (patch) | |
| tree | f5808411eba502971a55672c23990b72467edd14 /drivers/pci | |
| parent | 8c989a6803e4e235cd50d789a7ebe6fad10f747d (diff) | |
PCI: Apply Cavium ACS quirk only to CN81xx/CN83xx/CN88xx devices
[ Upstream commit b77d537d00d08fcf0bf641cd3491dd7df0ad1475 ]
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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pci')
| -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 0c9edc9d7c44..4c9fb8b323e8 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4104,6 +4104,9 @@ static int pci_quirk_cavium_acs(struct pci_dev *dev, u16 acs_flags) */ acs_flags &= ~(PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_SV | PCI_ACS_UF); + if (!((dev->device >= 0xa000) && (dev->device <= 0xa0ff))) + return -ENOTTY; + return acs_flags ? 0 : 1; } |