Enable/disable irq's only if needed.

Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h
index 039845f2e6b0..1f2fe11f4124 100644
--- a/include/asm-mips/io.h
+++ b/include/asm-mips/io.h
@@ -319,7 +319,8 @@ static inline type pfx##read##bwlq(volatile void __iomem *mem)		\
         else if (cpu_has_64bits) {                                      \
                 unsigned long __flags;                                  \
                                                                         \
-                local_irq_save(__flags);                                \
+                if (irq)                                                \
+                        local_irq_save(__flags);                        \
                 __asm__ __volatile__(                                   \
                         ".set   mips3"          "\t\t# __readq" "\n\t"  \
                         "ld     %L0, %1"                        "\n\t"  \
@@ -328,7 +329,8 @@ static inline type pfx##read##bwlq(volatile void __iomem *mem)		\
                         ".set   mips0"                          "\n"    \
                         : "=r" (__val)                                  \
                         : "m" (*__mem));                                \
-                local_irq_restore(__flags);                             \
+                if (irq)                                                \
+                        local_irq_restore(__flags);                     \
         } else {                                                        \
                 __val = 0;                                              \
                 BUG();                                                  \