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 6321720C021; Wed, 4 Dec 2024 23:28:04 +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=1733354884; cv=none; b=b9TuUeFMqH/jW5DWzQPhhT4RukLFIt7l6rlvlwl5LLGRXQNwMIKiTAF9HzXORJ//jkSaPXdJ23/ONT+1Z4zdmpS8MvH8S7CzARqDirETP/GRPeeym/uiyp107H/2Cuz6kRUj0vYWyqVcrK5TUyhcCRsdF5mwem1zh2DgHrTCCVI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733354884; c=relaxed/simple; bh=Pk0XYOaSRK/hR93+uDXH8B8FrNukHwTXjp5RVOSUmb8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=css+8ltCseL+7phRWGkxPEt9MmfXysCUBLvM3Xz3UeFkXmRyy9iSVIL7C3Do3qaWvDSgr4WX7cgvpr+4rDeCPmM2mSMbH6yhXYQ8B4nsCTmhd0SKvxHMgQ987P/uXcAyS51B+mK0x3nf2bxXr/p6lX+nxfKhLVogp34rjzfZdtE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k7JpU6SL; 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="k7JpU6SL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25020C4CECD; Wed, 4 Dec 2024 23:28:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733354884; bh=Pk0XYOaSRK/hR93+uDXH8B8FrNukHwTXjp5RVOSUmb8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=k7JpU6SLU8CAYTzrG24RXFK4auc0Z8H6RSoOGCArqJ9C0tppXRwJTO+uFEamIkxFD SC9QwZaXJJH9jQk3EPdY1RPIeSeRhpCZra9Qe4YxCP2/FmKVwfjiEAoHK5ujTbYck+ 7GBhfBB5T3P19lhdcmMCUqkk8PQiXlD0Lzr5Wbne5+JSmU13be7qqjFCKLIWZE/XpV LwdCD/rONJLEAItyC6QBHFXrOAmOXWJtcUIwEwMbLwM06G/SePs0YaVK+2dFOFqVkt zVilk5cC24jHSBIfVnbl5jcU6ErSKp/jULFqChCqUDrHUoVSO/C3NtntSDcYGnf2Te f9tEiX1fn+LJQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Saravana Kannan , =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= , Dmitry Baryshkov , Thierry Reding , AngeloGioacchino Del Regno , Greg Kroah-Hartman , Sasha Levin , maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, matthias.bgg@gmail.com, elder@kernel.org, sumit.garg@linaro.org, ricardo@marliere.net, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH AUTOSEL 6.12 08/15] drm: display: Set fwnode for aux bus devices Date: Wed, 4 Dec 2024 17:16:02 -0500 Message-ID: <20241204221627.2247598-8-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241204221627.2247598-1-sashal@kernel.org> References: <20241204221627.2247598-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.12.1 Content-Transfer-Encoding: 8bit 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 --- drivers/gpu/drm/display/drm_dp_aux_bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/display/drm_dp_aux_bus.c b/drivers/gpu/drm/display/drm_dp_aux_bus.c index d810529ebfb6e..ec7eac6b595f7 100644 --- a/drivers/gpu/drm/display/drm_dp_aux_bus.c +++ b/drivers/gpu/drm/display/drm_dp_aux_bus.c @@ -292,7 +292,7 @@ int of_dp_aux_populate_bus(struct drm_dp_aux *aux, aux_ep->dev.parent = aux->dev; aux_ep->dev.bus = &dp_aux_bus_type; aux_ep->dev.type = &dp_aux_device_type_type; - aux_ep->dev.of_node = of_node_get(np); + device_set_node(&aux_ep->dev, of_fwnode_handle(of_node_get(np))); dev_set_name(&aux_ep->dev, "aux-%s", dev_name(aux->dev)); ret = device_register(&aux_ep->dev); -- 2.43.0