The CPC registers use native endianness, so using plain readl & writel
will produce incorrect results on big endian systems.
Reported-by: Jeffrey Deans <jeffrey.deans@xxxxxxxxxx>
Reported-by: Keng Koh <keng.koh@xxxxxxxxxx>
Signed-off-by: Paul Burton <paul.burton@xxxxxxxxxx>
---
Feel free to apply as a fixup for "MIPS: Add CPC probe, access
functions".
---
arch/mips/include/asm/mips-cpc.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/mips/include/asm/mips-cpc.h b/arch/mips/include/asm/mips-cpc.h
index fb78935..988507e 100644
--- a/arch/mips/include/asm/mips-cpc.h
+++ b/arch/mips/include/asm/mips-cpc.h
@@ -75,13 +75,13 @@ static inline bool mips_cpc_present(void)
#define BUILD_CPC_R_(name, off) \
static inline u32 read_cpc_##name(void) \
{ \
- return readl(mips_cpc_base + (off)); \
+ return __raw_readl(mips_cpc_base + (off)); \
}
#define BUILD_CPC__W(name, off) \
static inline void write_cpc_##name(u32 value) \
{ \
- writel(value, mips_cpc_base + (off)); \
+ __raw_writel(value, mips_cpc_base + (off)); \
}
#define BUILD_CPC_RW(name, off) \
--
1.8.5.3
