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rt2x00: Restrict DMA to 32-bit addresses. 

None of the rt2x00 PCI devices support 64-bit DMA addresses (they all
only accept 32-bit buffer addresses). Hence it makes no sense to try to
enable 64-bit DMA addresses. Only try to enable 32-bit DMA addresses.

Signed-off-by: Gertjan van Wingerde <gwingerde@kpnplanet.nl>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gertjan van Wingerde 2008-06-03 20:29:47 +02:00 committed by John W. Linville
parent edfa78b2ba
commit 051c256f67
1 changed files with 1 additions and 2 deletions
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3
drivers/net/wireless/rt2x00/rt2x00pci.c
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@ -412,8 +412,7 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
if (pci_set_mwi(pci_dev))
ERROR_PROBE("MWI not available.\n");
if (pci_set_dma_mask(pci_dev, DMA_64BIT_MASK) &&
pci_set_dma_mask(pci_dev, DMA_32BIT_MASK)) {
if (pci_set_dma_mask(pci_dev, DMA_32BIT_MASK)) {
ERROR_PROBE("PCI DMA not supported.\n");
retval = -EIO;
goto exit_disable_device;