On Friday 28 April 2006 00:11, Christoph Hellwig wrote: > On Fri, Apr 28, 2006 at 12:02:52AM +0200, Ivo van Doorn wrote: > > From: Ivo van Doorn <[EMAIL PROTECTED]> > > > > Instead of dma_*_coherent > > use pci_*consistent functions. > > No point in doing that, quite reverse as you use the gfp_mask argument > which is a (small) pessimation here.
Would it be recommended that I replace the usb_alloc_buffers in the rt2570 driver with dma_*coherent? This would get the dma rings allocation and freeing a bit more generic between PCI and USB and could reduce some duplicate code between them. But I am not sure if there is any major difference between the two.
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