[PATCH 2/2] 8139too: Make the OQO2 automatically use PIO mode.
From: Dave Jones <hidden>
Date: 2008-05-29 15:16:18
The OQO model 2 has an RTL8139 from Atheros that doesn't like MMIO. Force it to always use polled IO. Signed-off-by: Dave Jones <redacted>
--- linux-2.6.25.noarch/drivers/net/8139too.c~ 2008-05-28 21:07:36.000000000 -0400
+++ linux-2.6.25.noarch/drivers/net/8139too.c 2008-05-28 21:19:57.000000000 -0400@@ -951,6 +951,14 @@ static int __devinit rtl8139_init_one (s "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_pio = 1; + } + i = rtl8139_init_board (pdev, &dev); if (i < 0) return i;
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