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ns9xxx: Use get_irqnr_preamble to initialize base register
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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>
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Uwe Kleine-König authored and Uwe Kleine-König committed Mar 31, 2008
1 parent c1a9e91 commit ab65b87
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion include/asm-arm/arch-ns9xxx/entry-macro.S
Original file line number Diff line number Diff line change
Expand Up @@ -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]
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