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Commit 93aea718 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
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[PATCH] skge: dma configuration cleanup



Cleanup of the part of the code that sets up DMA configuration.
Should cause no real change in operation, just clearer.

Signed-off-by: default avatarStephen Hemminger <shemminger@osdl.org>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent c3da1447
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+10 −14
Original line number Diff line number Diff line
@@ -3251,23 +3251,19 @@ static int __devinit skge_probe(struct pci_dev *pdev,

	pci_set_master(pdev);

	if (sizeof(dma_addr_t) > sizeof(u32) &&
	    !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) {
	if (!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;
	} else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
		using_dac = 0;
		err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
	}
	} else {
		err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);

	if (err) {
		printk(KERN_ERR PFX "%s no usable DMA configuration\n",
		       pci_name(pdev));
		goto err_out_free_regions;
	}
	}

#ifdef __BIG_ENDIAN
	/* byte swap descriptors in hardware */