提交 d1f3d4dd 编写于 作者: S Stephen Hemminger 提交者: Jeff Garzik

[PATCH] sky2: call pci_set_consistent_dma_mask

Need to call pci_set_consistent_dma_mask in the case of 64 bit
DMA.
Signed-off-by: NStephen Hemminger <shemminger@osdl.org>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
上级 82788c7a
......@@ -3054,13 +3054,17 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
goto err_out_free_regions;
}
if (sizeof(dma_addr_t) > sizeof(u32)) {
err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
if (!err)
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 pci_dev *pdev,
goto err_out_free_regions;
}
}
#ifdef __BIG_ENDIAN
/* byte swap descriptors in hardware */
{
......
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