Sounds good to me, and you're right - the MFD level is good for this config option. -- Ian Molton Linux, Automotive, and other hacking: http://www.mnementh.co.uk/ On 13 May 2010 15:18, Guennadi Liakhovetski <g.liakhovetski@xxxxxx> wrote: > On Thu, 13 May 2010, Guennadi Liakhovetski wrote: > >> On Thu, 13 May 2010, Ian Molton wrote: >> >> > Might be worth exposing for now, whilst the feature is new. but yes, >> > automatic select yes on all the platforms you are comfortable with. >> > >> > Im not sure if it should be per MFD or per platform. I tend to think >> > the latter, given that its slave DMA and thus I could have the same >> > MFD in platforms with different CPUs (eg. e740 and e800) where a CPU >> > bug might upset one but not the other. >> >> So far I went for the least effort - not exposed, selected by MFDs. If we >> ever have a need to change this, e.g., make it user-selectable or per >> platform, we can always do so later. For now all SuperH / SH-Mobile >> platforms I tested can use this driver with DMA. Expect updated patches >> shortly. > > One more thing I forgot to mention - even if your MFD enables DMA, it > still can further decide when (on which platforms) to enable and when to > disable DMA by providing or not providing DMA slave configuration to > tmio_mmc. > > Thanks > Guennadi > --- > Guennadi Liakhovetski, Ph.D. > Freelance Open-Source Software Developer > http://www.open-technology.de/ > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
