linux-kernel - Re: [PATCH v3 17/31] media: synopsys: move imx6-mipi-csi2.c to synopsys/mipi-csi2.c

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Message-ID: <aP_bogkrwIkbZIRh@valkosipuli.retiisi.eu>
Date: Mon, 27 Oct 2025 22:52:50 +0200
From: Sakari Ailus <sakari.ailus@....fi>
To: Frank Li <Frank.li@....com>
Cc: Rui Miguel Silva <rmfrfs@...il.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Martin Kepplinger <martink@...teo.de>,
	Purism Kernel Team <kernel@...i.sm>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Eugen Hristev <eugen.hristev@...aro.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, Peng Fan <peng.fan@....com>,
	Alice Yuan <alice.yuan@....com>, Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Steve Longerbeam <slongerbeam@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-media@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-phy@...ts.infradead.org,
	linux-staging@...ts.linux.dev
Subject: Re: [PATCH v3 17/31] media: synopsys: move imx6-mipi-csi2.c to
 synopsys/mipi-csi2.c

Hi Frank,

On Mon, Oct 27, 2025 at 12:37:34PM -0400, Frank Li wrote:
> On Mon, Oct 27, 2025 at 11:10:39AM +0200, Sakari Ailus wrote:
> > Hi Frank,
> >
> > On Thu, Aug 21, 2025 at 04:15:52PM -0400, Frank Li wrote:
> > > Move dw MIPI CSI2 common part drivers/staging/media/imx/imx6-mipi-csi2.c
> > > under synopsys to let more SoC can reuse it.
> > >
> > > Signed-off-by: Frank Li <Frank.Li@....com>
> > > ---
> > >  drivers/media/platform/synopsys/Kconfig                      | 12 ++++++++++++
> > >  drivers/media/platform/synopsys/Makefile                     |  2 ++
> > >  .../imx6-mipi-csi2.c => media/platform/synopsys/mipi-csi2.c} |  0
> > >  drivers/staging/media/imx/Kconfig                            |  1 +
> > >  drivers/staging/media/imx/Makefile                           |  2 +-
> > >  5 files changed, 16 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/media/platform/synopsys/Kconfig b/drivers/media/platform/synopsys/Kconfig
> > > index 4fd521f78425a96985fa3b6b017deef36631d1a9..e54dad835349d420dead6d5313c0623567c28c0b 100644
> > > --- a/drivers/media/platform/synopsys/Kconfig
> > > +++ b/drivers/media/platform/synopsys/Kconfig
> > > @@ -1,3 +1,15 @@
> > >  # SPDX-License-Identifier: GPL-2.0-only
> > >
> > > +config VIDEO_SYNOPSYS_MIPI_CSI2
> > > +        tristate "Synopsys DesignWare MIPI CSI2 Receiver common library"
> > > +        depends on VIDEO_DEV
> > > +        select MEDIA_CONTROLLER
> > > +        select VIDEO_V4L2_SUBDEV_API
> > > +        select VIDEOBUF2_DMA_CONTIG
> > > +        help
> > > +          Common library for MIPI CSI2 Controller.
> > > +
> > > +          To compile this driver as a module, choose M here. The module
> > > +          will be called synopsys_hdmirx
> > > +
> > >  source "drivers/media/platform/synopsys/hdmirx/Kconfig"
> > > diff --git a/drivers/media/platform/synopsys/Makefile b/drivers/media/platform/synopsys/Makefile
> > > index 3b12c574dd67c072901108d88cad64ca3a723938..045ed3177738e6d28aa223804b79e6774e141dc8 100644
> > > --- a/drivers/media/platform/synopsys/Makefile
> > > +++ b/drivers/media/platform/synopsys/Makefile
> > > @@ -1,2 +1,4 @@
> > >  # SPDX-License-Identifier: GPL-2.0-only
> > >  obj-y += hdmirx/
> > > +
> > > +obj-$(CONFIG_VIDEO_SYNOPSYS_MIPI_CSI2) += mipi-csi2.o
> >
> > Please give the module a more specific name.
> 
> How about dw-mipi-csi2.o? but it is already under synopsys. Our spec only
> show synopsys mipi csi2, and have not code naming for it.
> 
> Or mipi-csi2-v150.o (but it also supports more versions).
> 
> which one do you prefer?

I'd use dw-mipi-csi2.o.

-- 
Regards,

Sakari Ailus