diff options
author | Magnus Damm <damm@opensource.se> | 2010-02-08 05:53:13 -0500 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2010-02-08 20:31:11 -0500 |
commit | 62f60d6a37910501814c6281e6c21b485434a7f1 (patch) | |
tree | 0a4ab10cf6c6e162343788a0699cda4860105679 /arch/arm | |
parent | 34bf0fc54a4634ebb0a992e8562191a01233e240 (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/arm')
-rw-r--r-- | arch/arm/mach-shmobile/include/mach/entry-macro.S | 2 |
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 796b304050cc..a285d13c7416 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 @@ | |||
21 | .endm | 21 | .endm |
22 | 22 | ||
23 | .macro get_irqnr_preamble, base, tmp | 23 | .macro get_irqnr_preamble, base, tmp |
24 | ldr \base, =INTFLGA | ||
24 | .endm | 25 | .endm |
25 | 26 | ||
26 | .macro arch_ret_to_user, tmp1, tmp2 | 27 | .macro arch_ret_to_user, tmp1, tmp2 |
27 | .endm | 28 | .endm |
28 | 29 | ||
29 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | 30 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
30 | ldr \base, =INTFLGA | ||
31 | ldr \irqnr, [\base] | 31 | ldr \irqnr, [\base] |
32 | cmp \irqnr, #0 | 32 | cmp \irqnr, #0 |
33 | beq 1000f | 33 | beq 1000f |