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>
This commit is contained in:
Magnus Damm 2010-02-08 10:53:13 +00:00 committed by Paul Mundt
parent 34bf0fc54a
commit 62f60d6a37

View File

@ -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