On 14 June 2012 04:02, Jon Hunter <jon-hunter@xxxxxx> wrote: > On 06/08/2012 07:04 PM, Arnd Bergmann wrote: > >> As I said previously, I think just encoding the direction but not >> the client specific ID (meaning we would have to disambiguate >> the more complex cases that Stephen mentioned using a dma-names >> property) would be the best because it keeps the common case simple, >> but I could live with other things going in there too. > > Ok, so you are saying that there are some DMA controllers where there is > no channel/request ID and only a direction is needed? So an even simpler > case than what I had imagined. > I am curious to know which DMA controllers don't need any client ID ? unless it is Mem->Mem (for which even specifying direction is meaningless). Rather, I think specifying direction is even lesser useful, since usually the client's ID imply the (bi/uni)direction. -- 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