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[139.181.7.34]) by smtp.gmail.com with ESMTPSA id l15sm2581667wrq.64.2019.08.06.09.53.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Aug 2019 09:53:48 -0700 (PDT) Subject: Re: [PATCH 04/22] media: Move v4l2_fwnode_parse_link from v4l2 to driver base To: Andy Shevchenko References: <20190805233505.21167-1-slongerbeam@gmail.com> <20190805233505.21167-5-slongerbeam@gmail.com> From: Steve Longerbeam Message-ID: <4750b347-b421-6569-600f-0ced8406460e@gmail.com> Date: Tue, 6 Aug 2019 09:53:41 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190806_095350_980239_4F7392F8 X-CRM114-Status: GOOD ( 15.82 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Heikki Krogerus , "Rafael J. Wysocki" , Laurent Pinchart , Shawn Guo , Fabio Estevam , "open list:STAGING SUBSYSTEM" , Mauro Carvalho Chehab , Michal Simek , "open list:ACPI" , NXP Linux Team , Philipp Zabel , Len Brown , Sakari Ailus , Sascha Hauer , Thomas Gleixner , Andy Shevchenko , "moderated list:ARM/ZYNQ ARCHITECTURE" , Hyun Kwon , Greg Kroah-Hartman , open list , Jacopo Mondi , Pengutronix Kernel Team , Hans Verkuil , Linux Media Mailing List , Enrico Weigelt Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Andy, On 8/5/19 11:41 PM, Andy Shevchenko wrote: > On Tue, Aug 6, 2019 at 2:37 AM Steve Longerbeam wrote: >> There is nothing v4l2-specific about v4l2_fwnode_{parse|put}_link(). >> Make these functions more generally available by moving them to driver >> base, with the appropriate name changes to the functions and struct. >> >> In the process embed a 'struct fwnode_endpoint' in 'struct fwnode_link' >> for both sides of the link, and make use of fwnode_graph_parse_endpoint() >> to fully parse both endpoints. Rename members local_node and >> remote_node to more descriptive local_port_parent and >> remote_port_parent. >> > May I ask if it's going to be used outside of v4l2? It could be, I can see fwnode_graph_parse_link() being useful in DRM, for example. But at this, only media core and v4l2 are making use of it. This patch was created so that fwnode links can be parsed in a new media core function that forms media links from fwnode links. The full patchset doesn't seem to be up yet, but see [1] for the cover letter. Steve [1] https://www.mail-archive.com/linux-media@vger.kernel.org/msg148910.html _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel