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Commit 152151da authored by Dave Jones's avatar Dave Jones Committed by Jeff Garzik
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8139too: Force usage of PIO on OQO2 



The OQO model 2 has an RTL8139 from Atheros that doesn't like MMIO.
It fails on modprobe, with a 'PCI Bus error' message.

Force it to always use polled IO.

Signed-off-by: default avatarDave Jones <davej@redhat.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent eb581348

drivers/net/8139too.c

+8 −0
Original line number Diff line number Diff line
@@ -949,6 +949,14 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev, 
			   "Use the \"8139cp\" driver for improved performance and stability.\n");

	}



	if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&

	    pdev->device == PCI_DEVICE_ID_REALTEK_8139 &&

	    pdev->subsystem_vendor == PCI_VENDOR_ID_ATHEROS &&

	    pdev->subsystem_device == PCI_DEVICE_ID_REALTEK_8139) {

		printk(KERN_INFO "8139too: OQO Model 2 detected. Forcing PIO\n");

		use_io = 1;

	}



	i = rtl8139_init_board (pdev, &dev);

	if (i < 0)

		return i;