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http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=4058/1
From: Lennert Buytenhek
On the n2100, both onboard r8169 ports exhibit PCI parity problems.
Set the ->broken_parity_status flag for both ports so that the r8169
drivers knows it should ignore error interrupts.
--- linux-2.6.19.orig/arch/arm/mach-iop32x/n2100.c
+++ linux-2.6.19/arch/arm/mach-iop32x/n2100.c
@@ -123,9 +123,26 @@ static struct hw_pci n2100_pci __initdat
static int __init n2100_pci_init(void)
{
- if (machine_is_n2100())
+ if (machine_is_n2100()) {
+ int i;
+
pci_common_init(&n2100_pci);
+ /*
+ * Both r8169 chips on the n2100 exhibit PCI parity
+ * problems. Set the ->broken_parity_status flag for
+ * both ports so that the r8169 driver knows it should
+ * ignore error interrupts.
+ */
+ for (i = 1; i <= 2; i++) {
+ struct pci_dev *dev;
+
+ dev = pci_get_bus_and_slot(0, PCI_DEVFN(i, 0));
+ if (dev != NULL)
+ dev->broken_parity_status = 1;
+ }
+ }
+
return 0;
}
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