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>
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index f172b5d..f62ac64 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -949,6 +949,14 @@
"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;