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[ARM] pxa: fix interrupts number calculation when CONFIG_PXA_HAVE_ISA_IRQS=y

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Commit d2c3706842 ([ARM] pxa:
initialize default interrupt priority and use ICHP for IRQ handling)
broke ISA interrupt support on pxa27x/3xx.

In such a case, PXA_IRQ(0) != 0, and the IRQ number computed from
ICHP must be offset by PXA_IRQ(0).

Tested on an Arcom Zeus (pxa270), with both CONFIG_PXA_HAVE_ISA_IRQS
enabled and disabled.

Signed-off-by: Marc Zyngier <maz@misterjones.org>
Tested-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Marc Zyngier 2009-11-05 08:10:10 +01:00 committed by Eric Miao
parent 156171c71a
commit b2b3631662
1 changed files with 1 additions and 0 deletions
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1
arch/arm/mach-pxa/include/mach/entry-macro.S
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@ -46,5 +46,6 @@
beq 1001f
bic \irqstat, \irqstat, #0x80000000
mov \irqnr, \irqstat, lsr #16
add \irqnr, \irqnr, #(PXA_IRQ(0))
1001:
.endm