On Wed, 25 May 2011, Paul Mundt wrote: > On Tue, May 24, 2011 at 12:23:55PM +0200, Guennadi Liakhovetski wrote: > > Currently platforms, using the SDHI TMIO driver, have to specify negative > > DMA slave IDs to force PIO mode. If default 0 is left, the driver > > recognises it as a valid DMA slave ID and tries to acquire channels. This > > fails then, because the driver cannot allocate two channels with the same > > ID, but it would be better to just make 0 an invalid ID to prevent this. > > > I suppose the ordering for this will be adding the invalid IDs for all of > the CPUs first and then updating the SDHI driver accordingly during -rc2 > or something like that.
Yes, otherwise it would break SDHI DMA on sh7757, where one of the IDs == 0. 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 majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
