Messages in this thread | | | Date | Fri, 17 Dec 2010 15:35:27 -0800 | From | Greg KH <> | Subject | Re: [PATCH 2/2] USB: ehci: tegra: Align DMA transfers to 32 bytes |
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On Sat, Dec 18, 2010 at 12:17:40AM +0100, Oliver Neukum wrote: > Am Samstag, 18. Dezember 2010, 00:09:40 schrieb Greg KH: > > I still don't like it, it feels like a hack that is not going to be able > > to be maintained very well. > > > > And I still think the individual drivers should be fixed... > > > > But they are not buggy. The USB API was written under the > assumption that HCDs can deal with byte level granularity and alignment. > Hence the network driver pass DMA-able memory with an alignment > that suits them.
Ok, fair enough.
But I still don't like that urb flag stuff as a solution to this...
thanks,
greg k-h
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