[PATCH 02/12] sky2: call pci_set_consistent_dma_mask

[Stephen Hemminger]

Need to call pci_set_consistent_dma_mask in the case of 64 bit
DMA.

Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>


--- netdev-2.6.orig/drivers/net/sky2.c
+++ netdev-2.6/drivers/net/sky2.c
@@ -3054,13 +3054,17 @@ static int __devinit sky2_probe(struct p
                goto err_out_free_regions;
        }
 
-       if (sizeof(dma_addr_t) > sizeof(u32)) {
-               err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
-               if (!err)
-                       using_dac = 1;
-       }
+       if (sizeof(dma_addr_t) > sizeof(u32) &&
+           !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) {
+               using_dac = 1;
+               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;
+               }
 
-       if (!using_dac) {
+       } else {
                err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
                if (err) {
                        printk(KERN_ERR PFX "%s no usable DMA configuration\n",
@@ -3068,6 +3072,7 @@ static int __devinit sky2_probe(struct p
                        goto err_out_free_regions;
                }
        }
+
 #ifdef __BIG_ENDIAN
        /* byte swap descriptors in hardware */
        {

--
Stephen Hemminger <[EMAIL PROTECTED]>
OSDL http://developer.osdl.org/~shemminger

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