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authorLennert Buytenhek <buytenh@wantstofly.org>2007-02-08 01:03:17 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-02-18 10:59:51 +0000
commit66822b2eef8de9fe3ec9fa837386817565dbe690 (patch)
tree532c723be9b794f1a2f814281e04155ba81cbdfd /arch/arm/mach-iop32x
parent14d178a143568f3651a40af6defadd44fb0b6b81 (diff)
downloadop-kernel-dev-66822b2eef8de9fe3ec9fa837386817565dbe690.zip
op-kernel-dev-66822b2eef8de9fe3ec9fa837386817565dbe690.tar.gz
[ARM] 4058/2: iop32x: set ->broken_parity_status on n2100 onboard r8169 ports
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. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-iop32x')
-rw-r--r--arch/arm/mach-iop32x/n2100.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c
index 2499a77..966aa51 100644
--- a/arch/arm/mach-iop32x/n2100.c
+++ b/arch/arm/mach-iop32x/n2100.c
@@ -120,6 +120,20 @@ static struct hw_pci n2100_pci __initdata = {
.map_irq = n2100_pci_map_irq,
};
+/*
+ * 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.
+ */
+static void n2100_fixup_r8169(struct pci_dev *dev)
+{
+ if (dev->bus->number == 0 &&
+ (dev->devfn == PCI_DEVFN(1, 0) ||
+ dev->devfn == PCI_DEVFN(2, 0)))
+ dev->broken_parity_status = 1;
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_REALTEK, PCI_ANY_ID, n2100_fixup_r8169);
+
static int __init n2100_pci_init(void)
{
if (machine_is_n2100())
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