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| 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 18:29:01 +0100 |
| commit | 61022359b32f21654c9d53216a5c5f0723fbf6e7 (patch) | |
| tree | 771afbe2a68b0cf3ab9d034329306fd8fc7f8f28 | |
| parent | 4b6fa999b0c1036573a023a9a0105b7e7d63d845 (diff) | |
| download | linux-stable-61022359b32f21654c9d53216a5c5f0723fbf6e7.tar.gz linux-stable-61022359b32f21654c9d53216a5c5f0723fbf6e7.tar.bz2 linux-stable-61022359b32f21654c9d53216a5c5f0723fbf6e7.zip | |
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>
| -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 eac0a1238e9d..c690299d5c4a 100644 --- a/drivers/pci/host/pci-keystone.c +++ b/drivers/pci/host/pci-keystone.c @@ -43,6 +43,7 @@ #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) @@ -57,6 +58,8 @@ 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, }, }; |