RE: [PATCH v5 1/3] dmaengine: xilinx_dma: Check for channel idle state before submitting dma descriptor

[Appana Durga Kedareswara Rao]

Hi Vinod,
	
	Thanks for the review...
> 
> On Fri, Jan 13, 2017 at 04:28:11AM +0000, Appana Durga Kedareswara Rao
> wrote:
> > Hi Vinod,
> >
> > 	Thanks for the review...
> > >
> > > On Sat, Jan 07, 2017 at 12:15:28PM +0530, Kedareswara rao Appana wrote:
> > > > Add channel idle state to ensure that dma descriptor is not
> > > > submitted when VDMA engine is in progress.
> > >
> > > any reason why you want to make your own varible and not use the HW
> > > to query as done earlier. It is not clear to me why that is removed
> > > from description
> >
> > We need to poll for a bit in the status register to know the dma state.
> > We are currently doing that in the driver hot path To avoid this using
> > own variables.
> 
> It would be worthwhile to document these, down the line people may not
> remeber the motivation

Sure will add comments during the variable initialization
In the driver...

Regards,
Kedar.

> 
> 
> --
> ~Vinod