diff -uar linux-2.6.39-gentoo-r2/drivers/net/jme.c linux-2.6.39-gentoo-r2.patched/drivers/net/jme.c
--- linux-2.6.39-gentoo-r2/drivers/net/jme.c	2011-05-19 12:06:34.000000000 +0800
+++ linux-2.6.39-gentoo-r2.patched/drivers/net/jme.c	2011-07-19 15:23:02.000000000 +0800
@@ -2853,16 +2853,6 @@
 static int
 jme_pci_dma64(struct pci_dev *pdev)
 {
-	if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 &&
-	    !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))
-		if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
-			return 1;
-
-	if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 &&
-	    !pci_set_dma_mask(pdev, DMA_BIT_MASK(40)))
-		if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40)))
-			return 1;
-
 	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
 		if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
 			return 0;