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Commit 66822b2e authored by Lennert Buytenhek's avatar Lennert Buytenhek Committed by Russell King
Browse files

[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: default avatarLennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 14d178a1

arch/arm/mach-iop32x/n2100.c

+14 −0
Original line number Diff line number Diff line
@@ -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())