From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A7DFF255F3E; Fri, 16 May 2025 18:47:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.194 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747421254; cv=none; b=RWrfvJ8Xx41YyjxuD1qyYNnH4yRiE9BiEqUBTlog37k05ZmXP/ra4KA73Wl0Xu0+zFaDQPj7hdQmanaoeJuZSHLRUz3n5NuSh+nfRfkbP4ftcBTrDua55J7fOid1LlAP+ae1ewWT72xm953pLbfW8RWVtGaCEhrWFnlxUxxwHm0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747421254; c=relaxed/simple; bh=a2dOMHP3kj4+jm6fRlYBj5slYaX05QFOPhyjS1UDZxM=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=YPRNpUlEzwnQF1oQAlc0oRvg1ZOJqrX99ghY+zBa9x33gQwHK9yAGy/0LuD6ssMS3Bx5z5EPdvdCcQ7RCsXpKYRYEx+MW22M5CPCACB9xxJfv7Fd2QGtk3/GzFV11u4RE4KxWsvdwiRrjEtMmmNLlUKDut9RKAr5GGAVoap6iKI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=Mh11vKnp; arc=none smtp.client-ip=217.70.183.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="Mh11vKnp" Received: by mail.gandi.net (Postfix) with ESMTPSA id 2D57543155; Fri, 16 May 2025 18:47:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1747421250; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9lqQXD9Q9jfyGYo4y6j27XcbvfdwUtHoucCG3UKJI5E=; b=Mh11vKnpY6MONWDMsThK7Cqb138ZIMoMt5g3566QT39UcP4s+R/AphtZisgoYg2wMrmt26 uCHmHUiwoBS/d+k4ypoFmoU6PwGx/5SCPw242o5BRNbZ9Brta2/XM7w61rXy0V+DVsjG/b 4gByw4R4GGCDNAs0Z8TrpkuGwtLCZsCp5ggAIFAQPv+ZXfY2zCZEr639AnTYMvwHL69Hv2 rmhO3i28gLr471jhvk2d8qisOXRIPRK77FLgicXJTG8vVCLvWg44teiH4UMa2O0LPJDCWa lBct2WiiHT4TnLlHeUmE5q8g3BWDWEggx1CIZdBzdqYSWyy3OApp2llreF768w== Date: Fri, 16 May 2025 20:47:27 +0200 From: Luca Ceresoli To: "Sverdlin, Alexander" Cc: "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , "linux-fbdev@vger.kernel.org" Subject: Re: [PATCH v4 6/8] backlight: led-backlight: add devlink to supplier LEDs Message-ID: <20250516204727.4d87e700@booty> In-Reply-To: References: <20240917-hotplug-drm-bridge-v4-0-bc4dfee61be6@bootlin.com> <20240917-hotplug-drm-bridge-v4-6-bc4dfee61be6@bootlin.com> Organization: Bootlin X-Mailer: Claws Mail 4.3.1 (GTK 3.24.49; x86_64-redhat-linux-gnu) Precedence: bulk X-Mailing-List: linux-fbdev@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: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdefudefheduucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpeffhffvvefukfgjfhhoofggtgfgsehtjeertdertddvnecuhfhrohhmpefnuhgtrgcuvegvrhgvshholhhiuceolhhutggrrdgtvghrvghsohhlihessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepgeelffefgfehhfdtvdefueefieevkefggfelkeeiudetkeektedvhedukefgvddvnecuffhomhgrihhnpegsohhothhlihhnrdgtohhmnecukfhppedvrgdtvdemieejtdemvddtvddtmegvrgdtudemrgegiedvmedusgguugemledutddumedvleegfhenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvrgdtvdemieejtdemvddtvddtmegvrgdtudemrgegiedvmedusgguugemledutddumedvleegfhdphhgvlhhopegsohhothihpdhmrghilhhfrhhomheplhhutggrrdgtvghrvghsohhlihessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepgedprhgtphhtthhopegrlhgvgigrnhguvghrrdhsvhgvrhgulhhinhesshhivghmvghnshdrtghomhdprhgtphhtthhopegurhhiqdguvghvvghlsehlihhsthhsrdhfrhgvvgguvghskhhtohhprdhorhhgpdhrtghpthhto heplhhinhhugidqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhugidqfhgsuggvvhesvhhgvghrrdhkvghrnhgvlhdrohhrgh X-GND-Sasl: luca.ceresoli@bootlin.com Hello Alexander, On Mon, 12 May 2025 12:13:54 +0000 "Sverdlin, Alexander" wrote: > > I've tested the patch wit LP8864 LED as a provider for led_bl, removing the > > underlying I2C bus. The patch avoids the crash for me (by removing led_bl device as well), > > thanks for fixing it! > > > > Tested-by: Alexander Sverdlin Thanks for the feedback! I will have a look next week, perhaps sending a new version of this patch alone (outside of the series). > Would it make sense to add > > Fixes: ae232e45acf9 ("backlight: add led-backlight driver") > > ? Probably. Luca -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com