From: Eric Miao <eric.y.miao@gmail.com>
Date: Mon, 11 Jan 2010 12:39:37 +0000 (+0800)
Subject: [ARM] pxa: fix irq suspend/resume for pxa25x
X-Git-Tag: v2.6.33-rc6~10^2~1^2
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=c70f5a60994058895384f593989a9fbe6fe6adee;p=~shefty%2Frdma-dev.git

[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 6112af431fa..1beb40f692f 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -164,8 +164,11 @@ 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);
+
+	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 @@ static int pxa_irq_resume(struct sys_device *dev)
 {
 	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;