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authorUwe Kleine-König <Uwe.Kleine-Koenig@digi.com>2007-10-16 02:03:00 -0400
committerUwe Kleine-König <Uwe.Kleine-Koenig@digi.com>2008-03-31 02:17:01 -0400
commitab65b87093a38ad8565780494c74bd7afd79ad9a (patch)
treef50e9c1a1776befdd1e5feec17b2d65b9097506b
parentc1a9e91e426a78728c0e815b0355a7c0374d1088 (diff)
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>
-rw-r--r--include/asm-arm/arch-ns9xxx/entry-macro.S2
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 @@
12#include <asm/arch-ns9xxx/regs-sys.h> 12#include <asm/arch-ns9xxx/regs-sys.h>
13 13
14 .macro get_irqnr_preamble, base, tmp 14 .macro get_irqnr_preamble, base, tmp
15 ldr \base, =SYS_ISRADDR
15 .endm 16 .endm
16 17
17 .macro arch_ret_to_user, tmp1, tmp2 18 .macro arch_ret_to_user, tmp1, tmp2
18 .endm 19 .endm
19 20
20 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp 21 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
21 ldr \base, =SYS_ISRADDR
22 ldr \irqstat, [\base, #(SYS_ISA - SYS_ISRADDR)] 22 ldr \irqstat, [\base, #(SYS_ISA - SYS_ISRADDR)]
23 cmp \irqstat, #0 23 cmp \irqstat, #0
24 ldrne \irqnr, [\base] 24 ldrne \irqnr, [\base]