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[139.181.7.34]) by smtp.gmail.com with ESMTPSA id o9sm777435wrj.17.2019.08.14.16.00.32 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 14 Aug 2019 16:00:37 -0700 (PDT) Subject: Re: [PATCH 04/22] media: Move v4l2_fwnode_parse_link from v4l2 to driver base To: Russell King - ARM Linux admin Cc: Heikki Krogerus , "Rafael J. Wysocki" , Laurent Pinchart , Fabio Estevam , "open list:STAGING SUBSYSTEM" , Mauro Carvalho Chehab , Michal Simek , "open list:ACPI" , Andy Shevchenko , NXP Linux Team , Len Brown , Philipp Zabel , Sascha Hauer , Thomas Gleixner , Andy Shevchenko , Pengutronix Kernel Team , "moderated list:ARM/ZYNQ ARCHITECTURE" , Enrico Weigelt , Hyun Kwon , Greg Kroah-Hartman , open list , Jacopo Mondi , Sakari Ailus , Hans Verkuil , Linux Media Mailing List , Shawn Guo References: <20190805233505.21167-1-slongerbeam@gmail.com> <20190805233505.21167-5-slongerbeam@gmail.com> <4750b347-b421-6569-600f-0ced8406460e@gmail.com> <20190814103054.GI13294@shell.armlinux.org.uk> <20190814220437.GJ13294@shell.armlinux.org.uk> From: Steve Longerbeam Message-ID: <1842bf8f-4f97-6294-41db-74f9f8e2befd@gmail.com> Date: Wed, 14 Aug 2019 16:00:30 -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: <20190814220437.GJ13294@shell.armlinux.org.uk> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On 8/14/19 3:04 PM, Russell King - ARM Linux admin wrote: > On Wed, Aug 14, 2019 at 12:04:41PM -0700, Steve Longerbeam wrote: >> >> On 8/14/19 3:30 AM, Russell King - ARM Linux admin wrote: >>> On Tue, Aug 06, 2019 at 09:53:41AM -0700, Steve Longerbeam wrote: >>>> The full patchset doesn't seem to be up yet, but see [1] for the cover >>>> letter. >>> Was the entire series copied to the mailing lists, or just selected >>> patches? I only saw 4, 9, 11 and 13-22 via lakml. >> The whole series was posted to the linux-media ML, see [1]. At the time, >> none of the linux-media ML archives had the whole series. >> >>> In the absence of the other patches, will this solve imx-media binding >>> the internal subdevs of sensor devices to the CSI2 interface? >> "internal subdevs of sensor devices" ?? That doesn't make any sense. > Sorry, but it makes complete sense when you consider that sensor > devices may have more than one subdev, but there should be only one > that is the "output" to whatever the camera is attached to. The > other subdevs are internal to the sensor. Ah, thanks for the clarification. Yes, by "internal subdevs" I understand what you mean now. The adv748x and smiapp are examples. > > subdevs are not purely the remit of SoC drivers. So there is no binding of internal subdevs to the receiver CSI-2. The receiver CSI-2 subdev will create media links to the subdev that has an externally exposed fwnode endpoint that connects with the CSI-2 sink pad. Steve