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PCI: keystone: Use quirk to limit MRRS for K2G

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[ Upstream commit 148e340c06 ]

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>
This commit is contained in:
Kishon Vijay Abraham I 2018-10-17 13:10:54 +05:30 committed by Greg Kroah-Hartman
parent 0c7ebaf984
commit a2d8b2fa76
1 changed files with 3 additions and 0 deletions
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3
drivers/pci/dwc/pci-keystone.c
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@ -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, },
};