diff options
| author | Kishon Vijay Abraham I <kishon@ti.com> | 2018-10-17 13:10:54 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-01 09:14:13 +0100 |
| commit | a2d8b2fa76db5aee9f742645519a68c49a9178d3 (patch) | |
| tree | f8a66c4c4d1f077cc149d2df4a6f52824e668a38 /drivers/pci/dwc | |
| parent | 0c7ebaf98433eee21d5418244e38c673b215875e (diff) | |
PCI: keystone: Use quirk to limit MRRS for K2G
[ Upstream commit 148e340c0696369fadbbddc8f4bef801ed247d71 ]
PCI controller in K2G also has a limitation that memory read request
size (MRRS) must not exceed 256 bytes. Use the quirk to limit MRRS
(added for K2HK, K2L and K2E) for K2G as well.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/pci/dwc')
| -rw-r--r-- | drivers/pci/dwc/pci-keystone.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/dwc/pci-keystone.c b/drivers/pci/dwc/pci-keystone.c index 9bc52e4cf52a..3ea8288c1605 100644 --- a/drivers/pci/dwc/pci-keystone.c +++ b/drivers/pci/dwc/pci-keystone.c @@ -39,6 +39,7 @@ #define PCIE_RC_K2HK 0xb008 #define PCIE_RC_K2E 0xb009 #define PCIE_RC_K2L 0xb00a +#define PCIE_RC_K2G 0xb00b #define to_keystone_pcie(x) dev_get_drvdata((x)->dev) @@ -53,6 +54,8 @@ static void quirk_limit_mrrs(struct pci_dev *dev) .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, { PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2L), .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, + { PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2G), + .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, { 0, }, }; |