From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 00238176AAD for ; Thu, 24 Oct 2024 11:35:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729769752; cv=none; b=kIYer6y+wZUdkNHS12LayX3jl4iF/SDMa151nRcja9cdHyLdzq6dauiNtRdpqQWwds+7YdgH6V8hSxaTd+H0cj2nEYyiz+kyebCUnsKiP/Az6LeooAiJbA9TLcYHjA5RAckO8GeRlvEEIGnAVLZYOwbT2vIKpJC3g4ZuRz1d9/E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729769752; c=relaxed/simple; bh=BLP2qSk59XHygRuGtwvvviZHLismYalYrgP+lhwiV8k=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=LQ+JtPsQ6YuLWof04PuStzapKdmz3/vy7Q+mJhBwP8pafG7DqsWPkwI+PF+/Awst/VNPLNUqPjTY8V4avE0TnyyVvt9e28w6TBRt1bJESwzPFdhG697bhMDomFhV0d1OSC2ShLMGzLIQcwtkWd19qP+fez3B1YsfBHkEDBQ1B9I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=Jhv2OSwn; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="Jhv2OSwn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1729769748; bh=BLP2qSk59XHygRuGtwvvviZHLismYalYrgP+lhwiV8k=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Jhv2OSwnszDSFGVPFqjILsZE1X2ReJHgp8WHeWdMv6Zsp6Ll1unmY9mgeJSKjxB9B mEjNgsWWD0PT2cbTzMv0c3SSxNIpI8cXU9S6Oq/L8gALXkPeL+OU4O7rn4KmxyNJbr dplZUqsXXvoPIdGhu/pBalDD5WIV5npfwPUGKyr15sjE+sg83nmft8tpN0i+7/39Vh JEtm5uanLs3k5TyC1Habi76PiqfhLiP45fDsFlSBLCJoXV6dwWl1K31uuKqoYy30KK qKKntmQnWevYFnGX9FJqETrcIs1gHtyOXUjSJPFs6o1Zc7mFlhlS1XFDx/nxPIbqxY QVmqxnMDNBkuQ== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 8697417E35D1; Thu, 24 Oct 2024 13:35:47 +0200 (CEST) Message-ID: Date: Thu, 24 Oct 2024 13:35:47 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] drm: display: Set fwnode for aux bus devices To: Saravana Kannan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Matthias Brugger Cc: =?UTF-8?B?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Jon Hunter , kernel-team@android.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org References: <20241023191339.1491282-1-saravanak@google.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20241023191339.1491282-1-saravanak@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Il 23/10/24 21:13, Saravana Kannan ha scritto: > 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 > tegra-xusb-padctl 3520000.padctl: Failed to create device link (0x180) with 1-0008 > > 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" > Reported-by: Jon Hunter > Closes: https://lore.kernel.org/all/20240910130019.35081-1-jonathanh@nvidia.com/ > Signed-off-by: Saravana Kannan > --- On MT8186, MT8192, MT8195 Chromebooks: Tested-by: AngeloGioacchino Del Regno