Jeff Garzik 19 жил өмнө
parent
commit
2baeaaa4da
1 өөрчлөгдсөн 15 нэмэгдсэн , 5 устгасан
  1. 15 5
      drivers/net/skge.c

+ 15 - 5
drivers/net/skge.c

@@ -3243,12 +3243,22 @@ static int __devinit skge_probe(struct pci_dev *pdev,
 
 
 	pci_set_master(pdev);
 	pci_set_master(pdev);
 
 
-	if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)))
+	if (sizeof(dma_addr_t) > sizeof(u32) &&
+	    !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) {
 		using_dac = 1;
 		using_dac = 1;
-	else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
-		printk(KERN_ERR PFX "%s no usable DMA configuration\n",
-		       pci_name(pdev));
-		goto err_out_free_regions;
+		err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+		if (err < 0) {
+			printk(KERN_ERR PFX "%s unable to obtain 64 bit DMA "
+			       "for consistent allocations\n", pci_name(pdev));
+			goto err_out_free_regions;
+		}
+	} else {
+		err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+		if (err) {
+			printk(KERN_ERR PFX "%s no usable DMA configuration\n",
+			       pci_name(pdev));
+			goto err_out_free_regions;
+		}
 	}
 	}
 
 
 #ifdef __BIG_ENDIAN
 #ifdef __BIG_ENDIAN