Messages in this thread | | | Subject | Re: [PATCH] dmaengine: add CSR SiRFprimaII DMAC driver | From | Vinod Koul <> | Date | Fri, 09 Sep 2011 21:51:22 +0530 |
| |
On Fri, 2011-09-09 at 16:18 +0800, Barry Song wrote: > 2011/9/9 Vinod Koul <vkoul@infradead.org>: > > Looks like Jassi got a user for his proposed API. I am not sure whats > > going on with TI folks, they never showed up here @LPC. > > yes, i can definitely be an user of Jassi's new generic api. it seems > the api is just there for dma in 2d. > > Jassi prefer to use a transfer type instead of a control command. > though we will not really change the interleaved setting for every > transfer(it is more possible for one device, we will not change the > xlen/ylen/dma_width setting in the whole life period), i do believe > the transfer type is enough flexible for my possible applications to > change xlen, ylen and dma_width in different transfers. > > as we know, interleaved DMA can also be used for audio driver. for > some audio controllers, if there are n channels, it can't tranfer the > whole audio frame to sound card by one dma channel, and it needs to > tranfer every channel by separate dma. typically, we can define this > kind of xfer to skip other n-1 channel. > > Jassi, you might think my reply as an ACK to "[PATCH] DMAEngine: > Define generic transfer request api". Great, can you two redo patch along with this driver as user of new API :)
-- ~Vinod Koul Intel Corp.
| |