Commit 62f60d6a authored Feb 08, 2010 by Magnus Damm Committed by Paul Mundt Feb 09, 2010

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>

parent 34bf0fc5

arch/arm/mach-shmobile/include/mach/entry-macro.S

+1 −1

Original line number	Diff line number	Diff line
		@@ -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