--- /dev/null
+--- a/arch/arm/mach-cns3xxx/pcie.c
++++ b/arch/arm/mach-cns3xxx/pcie.c
+@@ -220,13 +220,13 @@ static void cns3xxx_write_config(struct
+ u32 mask = (0x1ull << (size * 8)) - 1;
+ int shift = (where % 4) * 8;
+
+- v = readl_relaxed(base + (where & 0xffc));
++ v = readl_relaxed(base);
+
+ v &= ~(mask << shift);
+ v |= (val & mask) << shift;
+
+- writel_relaxed(v, base + (where & 0xffc));
+- readl_relaxed(base + (where & 0xffc));
++ writel_relaxed(v, base);
++ readl_relaxed(base);
+ }
+
+ static void __init cns3xxx_pcie_hw_init(struct cns3xxx_pcie *cnspci)