Re: [PATCH] dmaengine: dw: clear LLP_[SD]_EN bits in last descriptor of a chain

From: Vinod Koul
Date: Wed Jan 06 2016 - 04:17:24 EST


On Tue, Dec 22, 2015 at 10:24:49PM +0530, Shevchenko, Andriy wrote:
> On Mon, 2015-12-21 at 21:34 +0200, Andy Shevchenko wrote:
> > On Mon, 2015-12-21 at 19:10 +0000, Mans Rullgard wrote:
> > > The datasheet requires that the LLP_[SD]_EN bits be cleared
> > > whenever
> > > LLP.LOC is zero, i.e. in the last descriptor of a multi-block
> > > chain.
> > > Make the driver do this.
> >
> > Acked-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>
> Vinod, I would like to postpone this patch for a while to make a bit
> easier back porting of other dw_dmac changes wrt fix SATA on 460EX (*).
>
> I will send it later in a bunch. Hope Måns has no objections on this.

Okay by me as long as Måns is okay

--
~Vinod
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