From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 F2E8723DEA7; Tue, 10 Dec 2024 16:12:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733847153; cv=none; b=Mn0G+hH8gUEnYNB3dsPTYklhQ3JBhkDk39YmSAFwtX+JEfO0y5jAU2hXYUKgTlOiPcpAlgoZKaRqyvMEhvwFyYbYL87jAXydOK0K201ZMDApli6tuZJdMipdj6Z1zZDVEgMCMtlFTPJesYYU0Pfb1SStfEbLLtGbWAsgggykUdg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733847153; c=relaxed/simple; bh=aeFcHfhyyi6Hrc1ORc56BM7zT3V7KDTDRrWatg2IVuM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sbMz5fstnyxC29siXg347DTABSblSVubi5CCTyE8AhJ42EZnITXaSNMwZIq+sRSSlz/neU50Vlb3YGDQSshOFf65U76nd+kXkBWGMoLtu5lpARwCRz1JMzF0uumzeTXaS3OcikKBY3Oa4nKp7tIGN7lMS16euy3pnlIaJOzQ23A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tNyKLcLf; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tNyKLcLf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 38D41C4CED6; Tue, 10 Dec 2024 16:12:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733847152; bh=aeFcHfhyyi6Hrc1ORc56BM7zT3V7KDTDRrWatg2IVuM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tNyKLcLf9TBPZY/+magH1b8HAo631nln+OPc5sR6f4ayS8hvBfvwQPECC9oIm9ag5 LCeTAGJ8duFEitSd1+oL2LJp9rHp5BH4DocBeF2Bv8BdcJtdCaHyWooP0i2kXRRUvq ZcLqGR+StgEpRHOLLCIw3mPcZElRJNRJuN6fbGm39WIn5xZ55aptvWyx9tlGVKz24c KMF8WTpz3g1u0nx65+IjO2ma/Pj0w759l4H3HgL3Uh0tj4dNNLLMonbl4+8bAZYCu6 FTJJv/kq4mgaYBi6sPjghLxgc3fEXCou7AiLit1XNSNqte8p5C7RIE05x9BJ4RVNgS xlERbS1/Oj/2g== Date: Tue, 10 Dec 2024 11:12:30 -0500 From: Sasha Levin To: Saravana Kannan Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, =?iso-8859-1?Q?N=EDcolas_F_=2E_R_=2E_A_=2E?= Prado , Dmitry Baryshkov , Thierry Reding , AngeloGioacchino Del Regno , Greg Kroah-Hartman , maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, matthias.bgg@gmail.com, elder@kernel.org, ricardo@marliere.net, sumit.garg@linaro.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH AUTOSEL 6.11 08/15] drm: display: Set fwnode for aux bus devices Message-ID: References: <20241204221726.2247988-1-sashal@kernel.org> <20241204221726.2247988-8-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Thu, Dec 05, 2024 at 04:07:45PM -0800, Saravana Kannan wrote: >On Thu, Dec 5, 2024 at 4:06 PM Saravana Kannan wrote: >> >> On Wed, Dec 4, 2024 at 3:29 PM Sasha Levin wrote: >> > >> > From: Saravana Kannan >> > >> > [ Upstream commit fe2e59aa5d7077c5c564d55b7e2997e83710c314 ] >> > >> > fwnode needs to be set for a device for fw_devlink to be able to >> > track/enforce its dependencies correctly. Without this, you'll see error >> > messages like this when the supplier has probed and tries to make sure >> > all its fwnode consumers are linked to it using device links: >> > >> > mediatek-drm-dp 1c500000.edp-tx: Failed to create device link (0x180) with backlight-lcd0 >> > >> > Reported-by: Nícolas F. R. A. Prado >> > Closes: https://lore.kernel.org/all/7b995947-4540-4b17-872e-e107adca4598@notapiano/ >> > Tested-by: Nícolas F. R. A. Prado >> > Signed-off-by: Saravana Kannan >> > Reviewed-by: Dmitry Baryshkov >> > Reviewed-by: Thierry Reding >> > Tested-by: AngeloGioacchino Del Regno >> > Link: https://lore.kernel.org/r/20241024061347.1771063-2-saravanak@google.com >> > Signed-off-by: Greg Kroah-Hartman >> > Signed-off-by: Sasha Levin >> >> As mentioned in the original cover letter: >> >> PSA: Do not pull any of these patches into stable kernels. fw_devlink >> had a lot of changes that landed in the last year. It's hard to ensure >> cherry-picks have picked up all the dependencies correctly. If any of >> these really need to get cherry-picked into stable kernels, cc me and >> wait for my explicit Ack. >> >> Is there a pressing need for this in 4.19? > >I copy pasted this into several replies. In all those cases I meant >the kernel version mentioned in the subject. I'll drop this and the other patch you've pointed out, thanks! -- Thanks, Sasha