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authorKrzysztof Halasa <khalasa@piap.pl>2016-03-11 12:32:14 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-05-11 11:21:28 +0200
commit826a816fb278289e231ac8f1eec355730ac2b592 (patch)
treebb6bf9a367136f2aaccdba8990a2bd3714e5a0de /arch
parent3fb17a4d3e0d8760d268815f27589662fb702f4f (diff)
CNS3xxx: Fix PCI cns3xxx_write_config()
commit 88e9da9a2a70b6f1a171fbf30a681d6bc4031c4d upstream. The "where" offset was added twice, fix it. Signed-off-by: Krzysztof HaƂasa <khalasa@piap.pl> Fixes: 498a92d42596 ("ARM: cns3xxx: pci: avoid potential stack overflow") Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-cns3xxx/pcie.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mach-cns3xxx/pcie.c b/arch/arm/mach-cns3xxx/pcie.c
index 47905a50e075..318394ed5c7a 100644
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -220,13 +220,13 @@ static void cns3xxx_write_config(struct cns3xxx_pcie *cnspci,
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)