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bh=HS5RaRTjPPs886uKnPgM9Gu4eihbomnvhbN7rWX9FJs=; b=jeWFhEhU3AQBw6HUma0NVg4uS9fJGRBckJvDPWZ6YuxA4UwHthsb/TZsi3FG3QeaxWxcX+ 0VPhcFKQBKr7SMFDKGes8Y4TvHYYk+d6c/qzbN1B56KyiSkebZ68WK4X8R8tmzna8TT0OJ q0o9NYIDYRa0ZG9zbJz/8hN73ihXnes/B8UghLrw5G740zV+AjqsUEJDeDjVL/m6/kiqLb wVREEubJnZJYbHoKQlT+I8ODosFtev9JhuWRdSzv3WOBz8Z7DYXAJ4ursFyC4sFKpu7pz8 NQ1baJE3OfzTX5GvrPaONZndiwdcqMlEnVIuqC4imfdG1KUCCDFlE6y8yVZiQw== Date: Fri, 7 Feb 2025 09:59:04 +0100 From: Luca Ceresoli To: Dmitry Baryshkov Cc: Simona Vetter , Inki Dae , Jagan Teki , Marek Szyprowski , Catalin Marinas , Will Deacon , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Daniel Thompson , Andrzej Hajda , Jonathan Corbet , Sam Ravnborg , Boris Brezillon , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Jessica Zhang , Paul Kocialkowski , Maxime Ripard , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Thomas Zimmermann , David Airlie , =?UTF-8?Q?Herv?= =?UTF-8?Q?=C3=A9?= Codina , Thomas Petazzoni , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Paul Kocialkowski Subject: Re: [PATCH v6 04/26] drm/bridge: panel: drm_panel_bridge_remove: warn when called on non-panel bridge Message-ID: <20250207095904.478df621@booty> In-Reply-To: References: <20250206-hotplug-drm-bridge-v6-0-9d6f2c9c3058@bootlin.com> <20250206-hotplug-drm-bridge-v6-4-9d6f2c9c3058@bootlin.com> Organization: Bootlin X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvkeekiecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepfffhvfevuffkjghfohfogggtgfesthejredtredtvdenucfhrhhomhepnfhutggrucevvghrvghsohhlihcuoehluhgtrgdrtggvrhgvshholhhisegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeeglefffefghefhtddvfeeufeeiveekgffgleekieduteekkeetvdehudekgfdvvdenucffohhmrghinhepsghoohhtlhhinhdrtghomhenucfkphepvdgrtddvmeeijedtmedvtddvtdemvggrtddumegtvgejvgemiegtgegvmeeitggtjeemleekgeejnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepvdgrtddvmeeijedtmedvtddvtdemvggrtddumegtvgejvgemiegtgegvmeeitggtjeemleekgeejpdhhvghlohepsghoohhthidpmhgrihhlfhhrohhmpehluhgtrgdrtggvrhgvshholhhisegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopeefjedprhgtphhtthhopegumhhithhrhidrsggrrhihshhhkhhovheslhhinhgrrhhordhorhhgpdhrtghpthhtohepshhimhhonhgrsehffhiflhhlrdgthhdprhgtphhtthhopehinhhkihdruggrvgesshgrmhhsuhhnghdrt ghomhdprhgtphhtthhopehjrghgrghnsegrmhgrrhhulhgrshholhhuthhiohhnshdrtghomhdprhgtphhtthhopehmrdhsiiihphhrohifshhkihesshgrmhhsuhhnghdrtghomhdprhgtphhtthhopegtrghtrghlihhnrdhmrghrihhnrghssegrrhhmrdgtohhmpdhrtghpthhtohepfihilhhlsehkvghrnhgvlhdrohhrghdprhgtphhtthhopehshhgrfihnghhuoheskhgvrhhnvghlrdhorhhg X-GND-Sasl: luca.ceresoli@bootlin.com On Fri, 7 Feb 2025 04:22:25 +0200 Dmitry Baryshkov wrote: > On Thu, Feb 06, 2025 at 07:14:19PM +0100, Luca Ceresoli wrote: > > This function is for panel_bridge instances only. The silent return when > > invoked on other bridges might hide actual errors, so avoid them to go > > unnoticed. > > Is there a real case of something using this function in a wrong way? I don't know, but there was one in my v5 code. Having this warning would have saved me a lot of debugging, so it looked useful for future developers. Luca -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com