[ARM] pxa: fix irq suspend/resume for pxa25x
PXA25x does not have IPR registers, saving and restoring should happen
only for pxa27x and pxa3xx.
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index 6112af4..1beb40f 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -164,8 +164,11 @@
saved_icmr[i] = _ICMR(irq);
_ICMR(irq) = 0;
}
- for (i = 0; i < pxa_internal_irq_nr; i++)
- saved_ipr[i] = IPR(i);
+
+ if (cpu_is_pxa27x() || cpu_is_pxa3xx()) {
+ for (i = 0; i < pxa_internal_irq_nr; i++)
+ saved_ipr[i] = IPR(i);
+ }
return 0;
}
@@ -174,12 +177,15 @@
{
int i, irq = PXA_IRQ(0);
+ if (cpu_is_pxa27x() || cpu_is_pxa3xx()) {
+ for (i = 0; i < pxa_internal_irq_nr; i++)
+ IPR(i) = saved_ipr[i];
+ }
+
for (i = 0; irq < PXA_IRQ(pxa_internal_irq_nr); i++, irq += 32) {
_ICMR(irq) = saved_icmr[i];
_ICLR(irq) = 0;
}
- for (i = 0; i < pxa_internal_irq_nr; i++)
- IPR(i) = saved_ipr[i];
ICCR = 1;
return 0;