openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Enable/disable irq's only if needed. 

Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Thiemo Seufer 2005-02-21 11:44:31 +00:00 committed by Ralf Baechle
parent 9f83d839df
commit 049b13c358
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/asm-mips/io.h
View File

@ -319,7 +319,8 @@ static inline type pfx##read##bwlq(volatile void __iomem *mem) \
else if (cpu_has_64bits) { \ else if (cpu_has_64bits) { \
unsigned long __flags; \ unsigned long __flags; \
\ \
local_irq_save(__flags); \ if (irq) \
local_irq_save(__flags); \
__asm__ __volatile__( \ __asm__ __volatile__( \
".set mips3" "\t\t# __readq" "\n\t" \ ".set mips3" "\t\t# __readq" "\n\t" \
"ld %L0, %1" "\n\t" \ "ld %L0, %1" "\n\t" \
@ -328,7 +329,8 @@ static inline type pfx##read##bwlq(volatile void __iomem *mem) \
".set mips0" "\n" \ ".set mips0" "\n" \
: "=r" (__val) \ : "=r" (__val) \
: "m" (*__mem)); \ : "m" (*__mem)); \
local_irq_restore(__flags); \ if (irq) \
local_irq_restore(__flags); \
} else { \ } else { \
__val = 0; \ __val = 0; \
BUG(); \ BUG(); \