On Tuesday 24 July 2012, Stephen Warren wrote: > It seems that given there are two values for dma-names, there really are > two channels; it's just that one channel is bi-directional, and the > second has two alternatives. > > Still, I guess you could also view this as three separate channels > instead. In which case, the text below makes sense. > > > 3. A device with three channels, one of which has two alternatives: > > > > dmas = <&dma0 1 4 /* first channel, data read */ > > &dma0 2 6 /* second channel, data write */ > > &dma1 1 0 /* third channel, error read */ > > &dma2 1 0>; /* third channel, ernative error read */ > > dma-names = "data", "data", "error", "error"; > > A bidirectional channel would have only one request line, not two, and we would write that as dmas = <&dma0 3 4>; /* one channel on dmarq 4, read-write */ Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
