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Diffstat (limited to 'arch/arm/mach-pxa/irq.c')
-rw-r--r--arch/arm/mach-pxa/irq.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index d694ce289668..6112af431fa4 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -25,6 +25,8 @@
#include "generic.h"
+#define MAX_INTERNAL_IRQS 128
+
#define IRQ_BIT(n) (((n) - PXA_IRQ(0)) & 0x1f)
#define _ICMR(n) (*((((n) - PXA_IRQ(0)) & ~0x1f) ? &ICMR2 : &ICMR))
#define _ICLR(n) (*((((n) - PXA_IRQ(0)) & ~0x1f) ? &ICLR2 : &ICLR))
@@ -122,6 +124,8 @@ void __init pxa_init_irq(int irq_nr, set_wake_t fn)
{
int irq, i;
+ BUG_ON(irq_nr > MAX_INTERNAL_IRQS);
+
pxa_internal_irq_nr = irq_nr;
for (irq = PXA_IRQ(0); irq < PXA_IRQ(irq_nr); irq += 32) {
@@ -149,7 +153,8 @@ void __init pxa_init_irq(int irq_nr, set_wake_t fn)
}
#ifdef CONFIG_PM
-static unsigned long saved_icmr[2];
+static unsigned long saved_icmr[MAX_INTERNAL_IRQS/32];
+static unsigned long saved_ipr[MAX_INTERNAL_IRQS];
static int pxa_irq_suspend(struct sys_device *dev, pm_message_t state)
{
@@ -159,6 +164,8 @@ static int pxa_irq_suspend(struct sys_device *dev, pm_message_t state)
saved_icmr[i] = _ICMR(irq);
_ICMR(irq) = 0;
}
+ for (i = 0; i < pxa_internal_irq_nr; i++)
+ saved_ipr[i] = IPR(i);
return 0;
}
@@ -171,6 +178,8 @@ static int pxa_irq_resume(struct sys_device *dev)
_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;