Re: [PATCH] dmaengine: add CSR SiRFprimaII DMAC driver

From: Barry Song
Date: Fri Sep 09 2011 - 19:40:43 EST

2011/9/10 Vinod Koul <vkoul@xxxxxxxxxxxxx>:
> On Fri, 2011-09-09 at 16:18 +0800, Barry Song wrote:
>> 2011/9/9 Vinod Koul <vkoul@xxxxxxxxxxxxx>:
>> > 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 :)

ok. i'll send v2 using this new API.

> --
> ~Vinod Koul
> Intel Corp.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at