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staging: slicoss Use pci_set_consistent_dma_mask.

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Use pci_set_consistent_dma_mask() in the case of 64-bit consistent allocations.

Signed-off-by: Denis Kirjanov <kirjanov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
kirjanov@gmail.com 2009-12-18 11:02:09 +03:00 committed by Greg Kroah-Hartman
parent 30ae835f89
commit a5c252411f
1 changed files with 18 additions and 5 deletions
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23
drivers/staging/slicoss/slicoss.c
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@ -366,6 +366,7 @@ static int __devinit slic_entry_probe(struct pci_dev *pcidev,
ulong mmio_start = 0;
ulong mmio_len = 0;
struct sliccard *card = NULL;
int pci_using_dac = 0;
slic_global.dynamic_intagg = dynamic_intagg;
@ -379,16 +380,26 @@ static int __devinit slic_entry_probe(struct pci_dev *pcidev,
printk(KERN_DEBUG "%s\n", slic_proc_version);
}
err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(64));
if (err) {
err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
if (err)
if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {
pci_using_dac = 1;
if (pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64))) {
dev_err(&pcidev->dev, "unable to obtain 64-bit DMA for "
"consistent allocations\n");
goto err_out_disable_pci;
}
} else if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(32))) {
pci_using_dac = 0;
pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
} else {
dev_err(&pcidev->dev, "no usable DMA configuration\n");
goto err_out_disable_pci;
}
err = pci_request_regions(pcidev, DRV_NAME);
if (err)
if (err) {
dev_err(&pcidev->dev, "can't obtain PCI resources\n");
goto err_out_disable_pci;
}
pci_set_master(pcidev);
@ -404,6 +415,8 @@ static int __devinit slic_entry_probe(struct pci_dev *pcidev,
adapter = netdev_priv(netdev);
adapter->netdev = netdev;
adapter->pcidev = pcidev;
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
mmio_start = pci_resource_start(pcidev, 0);
mmio_len = pci_resource_len(pcidev, 0);