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

Signed-off-by: Felix Fietkau <nbd@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43414 3c298f89-4303-0410-b956-a3cf2f4a3e73
2014-11-27 20:54:18 +00:00 · 2014-11-27 20:54:18 +00:00 · 2dbc93c0b0
parent 5da2510705
commit 2dbc93c0b0
1 changed files with 11 additions and 0 deletions
--- a/target/linux/cns3xxx/patches-3.14/121-pcie_fix_bridge_access.patch
+++ b/target/linux/cns3xxx/patches-3.14/121-pcie_fix_bridge_access.patch
@ -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;
+ }