diff options
| author | Kishon Vijay Abraham I <kishon@ti.com> | 2018-10-17 13:10:54 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-28 18:26:10 +0100 |
| commit | d651d24224f2c4bf867808bd6114f984d301236f (patch) | |
| tree | 0ea67529d9624852d1cdbb1823f5adf3346d35da /drivers/pci/host/pci-keystone.c | |
| parent | 7d1b4fac74ebe21b40c00b950d1401676971451a (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/host/pci-keystone.c')
| -rw-r--r-- | drivers/pci/host/pci-keystone.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/host/pci-keystone.c index fb682e8af74d..bdb808ba90d2 100644 --- a/drivers/pci/host/pci-keystone.c +++ b/drivers/pci/host/pci-keystone.c @@ -42,6 +42,7 @@ #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) container_of(x, struct keystone_pcie, pp) @@ -56,6 +57,8 @@ 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, }, }; |