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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: Dave Jones <davej@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Dave Jones 2008-07-15 19:54:53 -04:00 committed by Jeff Garzik
parent eb5813481a
commit 152151daec
1 changed files with 8 additions and 0 deletions
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8
drivers/net/8139too.c
View File

@ -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;