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ar71xx: don't init PCI irqs on the AR7240 if the PCIe subsystem are in reset
author
Gabor Juhos
<juhosg@openwrt.org>
Fri, 5 Mar 2010 20:29:29 +0000
(20:29 +0000)
committer
Gabor Juhos
<juhosg@openwrt.org>
Fri, 5 Mar 2010 20:29:29 +0000
(20:29 +0000)
SVN-Revision: 20007
target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
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diff --git
a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
index 212ff129976bf9a4b0417a18a13a8ff1a29c5f00..13d25c43fd30fd024802df6cb77c5b7d606ef760 100644
(file)
--- 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);