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Commit 051c256f authored by Gertjan van Wingerde's avatar Gertjan van Wingerde Committed by John W. Linville
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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: default avatarGertjan van Wingerde <gwingerde@kpnplanet.nl>
Signed-off-by: default avatarIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent edfa78b2

drivers/net/wireless/rt2x00/rt2x00pci.c

+1 −2
Original line number Diff line number Diff line
@@ -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;