linux-kernel - Re: [PATCH 1/2] dmaengine: sun4i: Add support for cyclic requests with dedicated DMA

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Message-ID: <20200121083514.GE2841@vkoul-mobl>
Date:   Tue, 21 Jan 2020 14:05:14 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Maxime Ripard <mripard@...nel.org>
Cc:     Stefan Mavrodiev <stefan@...mex.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Chen-Yu Tsai <wens@...e.org>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:DMA GENERIC OFFLOAD ENGINE SUBSYSTEM" 
        <dmaengine@...r.kernel.org>,
        "moderated list:ARM/Allwinner sunXi SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:DRM DRIVERS FOR ALLWINNER A10" 
        <dri-devel@...ts.freedesktop.org>, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 1/2] dmaengine: sun4i: Add support for cyclic requests
 with dedicated DMA

On 15-01-20, 18:07, Maxime Ripard wrote:
> On Wed, Jan 15, 2020 at 06:01:37PM +0530, Vinod Koul wrote:
> > On 10-01-20, 16:11, Stefan Mavrodiev wrote:
> > > Currently the cyclic transfers can be used only with normal DMAs. They
> > > can be used by pcm_dmaengine module, which is required for implementing
> > > sound with sun4i-hdmi encoder. This is so because the controller can
> > > accept audio only from a dedicated DMA.
> > >
> > > This patch enables them, following the existing style for the
> > > scatter/gather type transfers.
> >
> > I presume you want this to go with drm tree (if not let me know) so:
> >
> > Acked-by: Vinod Koul <vkoul@...nel.org>
> 
> There's no need for it to go through DRM, it can go through your tree :)

okay in that case I have applied now :), thanks

-- 
~Vinod