Re: [PATCH 11/16] dmaengine: ti: k3-psil-j721e: Add entry for CSI2RX

From: Pratyush Yadav <p.yadav@ti.com>
To: "Péter Ujfalusi" <peter.ujfalusi@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Vinod Koul <vkoul@kernel.org>, Maxime Ripard <mripard@kernel.org>,
	Benoit Parrot <bparrot@ti.com>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>,
	Alexandre Courbot <acourbot@chromium.org>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Stanimir Varbanov <stanimir.varbanov@linaro.org>,
	Helen Koike <helen.koike@collabora.com>,
	Michael Tretter <m.tretter@pengutronix.de>,
	Peter Chen <peter.chen@nxp.com>,
	Chunfeng Yun <chunfeng.yun@mediatek.com>,
	<linux-media@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linux-phy@lists.infradead.org>,
	<dmaengine@vger.kernel.org>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Subject: Re: [PATCH 11/16] dmaengine: ti: k3-psil-j721e: Add entry for CSI2RX
Date: Tue, 6 Apr 2021 22:40:31 +0530	[thread overview]
Message-ID: <20210406171029.nku6hrmw7pohr5ri@ti.com> (raw)
In-Reply-To: <20210406165554.5mhn4u5enbf2tvaz@ti.com>

On 06/04/21 10:25PM, Pratyush Yadav wrote:
> On 06/04/21 06:33PM, Péter Ujfalusi wrote:
> > 
> > 
> > On 4/6/21 6:09 PM, Pratyush Yadav wrote:
> > > On 04/04/21 04:24PM, Péter Ujfalusi wrote:
> > >> Hi Pratyush,
> > >>
> > >> On 3/30/21 8:33 PM, Pratyush Yadav wrote:
> > >>> The CSI2RX subsystem uses PSI-L DMA to transfer frames to memory. It can
> > >>> have up to 32 threads but the current driver only supports using one. So
> > >>> add an entry for that one thread.
> > >>
> > >> If you are absolutely sure that the other threads are not going to be
> > >> used, then:
> > > 
> > > The opposite in fact. I do expect other threads to be used in the 
> > > future. But the current driver can only use one so I figured it is 
> > > better to add just the thread that is currently needed and then I can 
> > > always add the rest later.
> > > 
> > > Why does this have to be a one-and-done deal? Is there anything wrong 
> > > with adding the other threads when the driver can actually use them?
> > 
> > You can skip CCing DMAengine (and me ;) ). Less subsystems is the better
> > when sending patches...
> 
> I'm a bit confused here. If you are no longer interested in maintaining 
> the TI DMA drivers then that's fine, I can skip CCing you. But the patch 
> is still relevant to the dmaengine list so why should I skip CCing it? 
> And if I don't CC the dmaengine list then on which list would I get 
> comments/reviews for the patch?

Ignore this. Got your point. Will do it in v2.

-- 
Regards,
Pratyush Yadav
Texas Instruments Inc.