Lars-Peter Clausen <lars@xxxxxxxxxx> writes: > On 01/05/2015 11:39 PM, Arnd Bergmann wrote: >> As discussed on the topic of shmobile DMA today, jz4740 is the only >> user of the slave_id field in dma_slave_config besides shmobile. This >> use is really incompatible with the way that other drivers use the >> dmaengine API, so we should get rid of it. > > Do you have a link to that discussion? > >> >> This adds a trivial filter function that uses the filter param to >> pass the dma type, and uses that in both drivers. > > In my opinion that's just from bad to worse. Using filter functions > isn't that great in the first place. And using them to pass data from > the consumer to the DMA provider is just a horrible abuse of the API. It seems to me the only sane way to use the dmaengine API is in conjunction with DT. -- Måns Rullgård mans@xxxxxxxxx -- 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
