From nobody Thu Dec 18 07:18:39 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0016C54E76 for ; Mon, 20 Nov 2023 12:30:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233398AbjKTMaT (ORCPT ); Mon, 20 Nov 2023 07:30:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233478AbjKTMaP (ORCPT ); Mon, 20 Nov 2023 07:30:15 -0500 Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EC465F1 for ; Mon, 20 Nov 2023 04:30:11 -0800 (PST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 0143AFF813; Mon, 20 Nov 2023 12:30:08 +0000 (UTC) From: Quentin Schulz To: Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Mark Yao Cc: Quentin Schulz , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Fabio Estevam , Quentin Schulz Subject: [PATCH v2 1/2] drm/rockchip: lvds: do not overwrite error code Date: Mon, 20 Nov 2023 13:29:48 +0100 Message-ID: <20231120-rk-lvds-defer-msg-v2-1-9c59a5779cf9@theobroma-systems.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231120-rk-lvds-defer-msg-v2-0-9c59a5779cf9@theobroma-systems.com> References: <20231120-rk-lvds-defer-msg-v2-0-9c59a5779cf9@theobroma-systems.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.12.4 Content-Transfer-Encoding: quoted-printable X-GND-Sasl: foss@0leil.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Quentin Schulz ret variable stores the return value of drm_of_find_panel_or_bridge which can return error codes different from EPROBE_DEFER. Therefore, let's just return that error code instead of forcing it to EPROBE_DEFER. Fixes: 34cc0aa25456 ("drm/rockchip: Add support for Rockchip Soc LVDS") Cc: Quentin Schulz Signed-off-by: Quentin Schulz --- drivers/gpu/drm/rockchip/rockchip_lvds.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/roc= kchip/rockchip_lvds.c index f0f47e9abf5a..17d8fc797151 100644 --- a/drivers/gpu/drm/rockchip/rockchip_lvds.c +++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c @@ -578,7 +578,6 @@ static int rockchip_lvds_bind(struct device *dev, struc= t device *master, goto err_put_port; } else if (ret) { DRM_DEV_ERROR(dev, "failed to find panel and bridge node\n"); - ret =3D -EPROBE_DEFER; goto err_put_port; } if (lvds->panel) --=20 2.42.0 From nobody Thu Dec 18 07:18:39 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68A66C54FB9 for ; Mon, 20 Nov 2023 12:30:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233329AbjKTMaV convert rfc822-to-8bit (ORCPT ); Mon, 20 Nov 2023 07:30:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36540 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233644AbjKTMaR (ORCPT ); Mon, 20 Nov 2023 07:30:17 -0500 Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84345F2 for ; Mon, 20 Nov 2023 04:30:13 -0800 (PST) Received: by mail.gandi.net (Postfix) with ESMTPSA id ACC3CFF811; Mon, 20 Nov 2023 12:30:10 +0000 (UTC) From: Quentin Schulz To: Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Mark Yao Cc: Quentin Schulz , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Fabio Estevam , Quentin Schulz Subject: [PATCH v2 2/2] drm/rockchip: lvds: do not print scary message when probing defer Date: Mon, 20 Nov 2023 13:29:49 +0100 Message-ID: <20231120-rk-lvds-defer-msg-v2-2-9c59a5779cf9@theobroma-systems.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231120-rk-lvds-defer-msg-v2-0-9c59a5779cf9@theobroma-systems.com> References: <20231120-rk-lvds-defer-msg-v2-0-9c59a5779cf9@theobroma-systems.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.12.4 Content-Transfer-Encoding: quoted-printable X-GND-Sasl: foss@0leil.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Quentin Schulz This scary message can misled the user into thinking something bad has happened and needs to be fixed, however it could simply be part of a normal boot process where EPROBE_DEFER is taken into account. Therefore, let's use dev_err_probe so that this message doesn't get shown (by default) when the return code is EPROBE_DEFER. Fixes: 34cc0aa25456 ("drm/rockchip: Add support for Rockchip Soc LVDS") Cc: Quentin Schulz Signed-off-by: Quentin Schulz --- drivers/gpu/drm/rockchip/rockchip_lvds.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/roc= kchip/rockchip_lvds.c index 17d8fc797151..f2831d304e7b 100644 --- a/drivers/gpu/drm/rockchip/rockchip_lvds.c +++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c @@ -577,7 +577,7 @@ static int rockchip_lvds_bind(struct device *dev, struc= t device *master, ret =3D -EINVAL; goto err_put_port; } else if (ret) { - DRM_DEV_ERROR(dev, "failed to find panel and bridge node\n"); + dev_err_probe(dev, ret, "failed to find panel and bridge node\n"); goto err_put_port; } if (lvds->panel) --=20 2.42.0