diff options
| author |   Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> | 2007-10-16 08:03:00 +0200 |
|---|---|---|
| committer | Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> | 2008-03-31 08:17:01 +0200 |
| commit | ab65b87093a38ad8565780494c74bd7afd79ad9a (patch) | |
| tree | f50e9c1a1776befdd1e5feec17b2d65b9097506b /include | |
| parent | ns9xxx: use default text offset (diff) | |
| download | linux-dev-ab65b87093a38ad8565780494c74bd7afd79ad9a.tar.xz linux-dev-ab65b87093a38ad8565780494c74bd7afd79ad9a.zip | |
ns9xxx: Use get_irqnr_preamble to initialize base register
This patch optimizes the irq handling a bit. Now the base register is only
computed once if more than one irq is pending.
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-arm/arch-ns9xxx/entry-macro.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-arm/arch-ns9xxx/entry-macro.S b/include/asm-arm/arch-ns9xxx/entry-macro.S index 86aec87303e4..5c706dd2379c 100644 --- a/include/asm-arm/arch-ns9xxx/entry-macro.S +++ b/include/asm-arm/arch-ns9xxx/entry-macro.S @@ -12,13 +12,13 @@ #include <asm/arch-ns9xxx/regs-sys.h> .macro get_irqnr_preamble, base, tmp + ldr \base, =SYS_ISRADDR .endm .macro arch_ret_to_user, tmp1, tmp2 .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - ldr \base, =SYS_ISRADDR ldr \irqstat, [\base, #(SYS_ISA - SYS_ISRADDR)] cmp \irqstat, #0 ldrne \irqnr, [\base] |