[PATCH v2 0/2] Add Qualcomm MSM ADM DMAEngine driver

Vinod Koul vinod.koul at intel.com
Wed Feb 1 03:29:58 EST 2012


On Wed, 2012-02-01 at 11:46 +0530, Ravi Kumar V wrote:
> On 1/31/2012 11:39 AM, Vinod Koul wrote:
> > On Tue, 2012-01-31 at 11:29 +0530, Ravi Kumar V wrote:
> >>> [1]: https://lkml.org/lkml/2011/10/24/275
> >>> [2]: https://lkml.org/lkml/2012/1/26/405
> >>>
> >>
> >> Yes if we follow the above RFC and add extra context parameter also
> >> in
> >> device_prep_dma_sg()&  device_prep_interleaved_dma() then it supports
> >> our hardware and our work will be completed.
> >>
> >> can we follow above RFC and implement our driver.
> >> Is above RFC finalized and included in mainline?
> > Alexandre will post an updated one soon, but the idea is same
> >
> 
> Can we add extra parameter context to device_prep_dma_sg() & 
> device_prep_interleaved_dma() API's and implement our driver.
So what one are you going to use...

>From the description sounds like you need interleaved API but with
changes to make it interleaved in both src and dtsn, right?
Then why prep_dma_sg?


-- 
~Vinod




More information about the linux-arm-kernel mailing list