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Code Issues

cns3xxx: fix PCIe->PCI bridge access (fixes #18422)

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43414
This commit is contained in:
Felix Fietkau 2014-11-27 20:54:18 +00:00
parent ceccdc4a31
commit f473f95196
1 changed files with 11 additions and 0 deletions
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11
target/linux/cns3xxx/patches-3.14/121-pcie_fix_bridge_access.patch Normal file
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@ -0,0 +1,11 @@
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -93,6 +93,8 @@ static void __iomem *cns3xxx_pci_cfg_bas
base = (void __iomem *)cnspci->cfg_bases[type].virtual;
offset = (devfn << 12) | (where & 0xffc);
+ if (busno > 1)
+ offset += busno << 20;
return base + offset;
}