Vinod Koul <vinod.koul@xxxxxxxxx> writes: > On Wed, Dec 07, 2016 at 04:45:58PM +0000, Måns Rullgård wrote: >> Vinod Koul <vinod.koul@xxxxxxxxx> writes: >> >> > On Tue, Dec 06, 2016 at 01:14:20PM +0000, Måns Rullgård wrote: >> >> >> >> That's not going to work very well. Device drivers typically request >> >> dma channels in their probe functions or when the device is opened. >> >> This means that reserving one of the few channels there will inevitably >> >> make some other device fail to operate. >> > >> > No that doesnt make sense at all, you should get a channel only when you >> > want to use it and not in probe! >> >> Tell that to just about every single driver ever written. > > Not really, few do yes which is wrong but not _all_ do that. Every driver I ever looked at does. Name one you consider "correct." -- Måns Rullgård -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
