MIPS: SMTC: Bring set/clear/change_c0_## return value semantics uptodate.

Signed-off-by: Kevin D. Kissell <kevink@paralogos.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 11 insertions, 8 deletions

diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 526f327475ce..1f7987793782 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);                               \
                                                                 \