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Diffstat (limited to 'arch')
-rw-r--r--arch/mips/include/asm/mipsregs.h19
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 526f327475c..1f798779378 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -1484,14 +1484,15 @@ static inline unsigned int \
set_c0_##name(unsigned int set) \
{ \
unsigned int res; \
+ unsigned int new; \
unsigned int omt; \
unsigned long flags; \
\
local_irq_save(flags); \
omt = __dmt(); \
res = read_c0_##name(); \
- res |= set; \
- write_c0_##name(res); \
+ new = res | set; \
+ write_c0_##name(new); \
__emt(omt); \
local_irq_restore(flags); \
\
@@ -1502,14 +1503,15 @@ static inline unsigned int \
clear_c0_##name(unsigned int clear) \
{ \
unsigned int res; \
+ unsigned int new; \
unsigned int omt; \
unsigned long flags; \
\
local_irq_save(flags); \
omt = __dmt(); \
res = read_c0_##name(); \
- res &= ~clear; \
- write_c0_##name(res); \
+ new = res & ~clear; \
+ write_c0_##name(new); \
__emt(omt); \
local_irq_restore(flags); \
\
@@ -1517,9 +1519,10 @@ clear_c0_##name(unsigned int clear) \
} \
\
static inline unsigned int \
-change_c0_##name(unsigned int change, unsigned int new) \
+change_c0_##name(unsigned int change, unsigned int newbits) \
{ \
unsigned int res; \
+ unsigned int new; \
unsigned int omt; \
unsigned long flags; \
\
@@ -1527,9 +1530,9 @@ change_c0_##name(unsigned int change, unsigned int new) \
\
omt = __dmt(); \
res = read_c0_##name(); \
- res &= ~change; \
- res |= (new & change); \
- write_c0_##name(res); \
+ new = res & ~change; \
+ new |= (newbits & change); \
+ write_c0_##name(new); \
__emt(omt); \
local_irq_restore(flags); \
\