lkml.org 
[lkml]   [2017]   [Jul]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] pci: quirk: Apply APM ACS quirk to XGene devices
Date
The APM X-Gene PCIe root port does not support ACS at this point.
Since the root does not allow peer to peer transactions, mask out
ACS capability flag bits.

Signed-off-by: Feng Kan <fkan@apm.com>
---
drivers/pci/quirks.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 085fb78..951064d 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4368,6 +4368,8 @@ static int pci_quirk_mf_endpoint_acs(struct pci_dev *dev, u16 acs_flags)
{ 0x10df, 0x720, pci_quirk_mf_endpoint_acs }, /* Emulex Skyhawk-R */
/* Cavium ThunderX */
{ PCI_VENDOR_ID_CAVIUM, PCI_ANY_ID, pci_quirk_cavium_acs },
+ /* APM XGene */
+ { PCI_VENDOR_ID_AMCC, 0xE004, pci_quirk_mf_endpoint_acs },
{ 0 }
};

--
1.8.3.1
\
 
 \ /
  Last update: 2017-07-18 02:46    [W:0.241 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site