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authorMagnus Damm <damm@opensource.se>2010-02-08 10:53:13 +0000
committerPaul Mundt <lethal@linux-sh.org>2010-02-09 10:31:11 +0900
commit62f60d6a37910501814c6281e6c21b485434a7f1 (patch)
tree0a4ab10cf6c6e162343788a0699cda4860105679 /arch
parent34bf0fc54a4634ebb0a992e8562191a01233e240 (diff)
ARM: mach-shmobile: optimize get_irqnr_preamble/and_base macros
Optimize the SH-Mobile interrupt assembly macros to avoid reloading the INTFLGA register address in case of multiple pending interrupts. Kindly pointed out by Russell King. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-shmobile/include/mach/entry-macro.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/include/mach/entry-macro.S b/arch/arm/mach-shmobile/include/mach/entry-macro.S
index 796b304050c..a285d13c741 100644
--- a/arch/arm/mach-shmobile/include/mach/entry-macro.S
+++ b/arch/arm/mach-shmobile/include/mach/entry-macro.S
@@ -21,13 +21,13 @@
.endm
.macro get_irqnr_preamble, base, tmp
+ ldr \base, =INTFLGA
.endm
.macro arch_ret_to_user, tmp1, tmp2
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \base, =INTFLGA
ldr \irqnr, [\base]
cmp \irqnr, #0
beq 1000f