From da900edca4111536e0523526fcebcd7cb2548c21 Mon Sep 17 00:00:00 2001
From: juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 5 Mar 2010 20:29:29 +0000
Subject: ar71xx: don't init PCI irqs on the AR7240 if the PCIe subsystem are
in reset
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20007 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
target/linux/ar71xx/files/arch/mips/ar71xx/irq.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
index 212ff1299..13d25c43f 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
@@ -158,8 +158,15 @@ static struct irqaction ar724x_pci_irqaction = {
static void __init ar724x_pci_irq_init(void)
{
+ u32 t;
int i;
+ t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
+ if (t & (AR724X_RESET_PCIE | AR724X_RESET_PCIE_PHY |
+ AR724X_RESET_PCIE_PHY_SERIAL)) {
+ return;
+ }
+
ar71xx_ip2_irq_handler = ar724x_pci_irq_dispatch;
ar724x_pci_wr(AR724X_PCI_REG_INT_MASK, 0);
--
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