* Shubhrajyoti <shubhrajy...@ti.com> [120807 04:21]: > On Tuesday 07 August 2012 01:17 PM, Tony Lindgren wrote: > >> }; > > Don't you need to check separately for rx and tx dma? There's a slight > > chance that you get a channel for one but not for the other.. > In that case I treat it as non usable and fall back to pio.
OK that should work too. > Are you suggesting that let one channel be dma and only the failed one pio? I guess both are doable. For reduced CPU load using DMA where possible of course is the best way to go. Tony -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
