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Signed-off-by: Alexander Stein --- drivers/gpu/drm/bridge/imx/imx8qxp-pxl2dpi.c | 26 ++++++-------------- 1 file changed, 7 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/bridge/imx/imx8qxp-pxl2dpi.c b/drivers/gpu/drm/bridge/imx/imx8qxp-pxl2dpi.c index 65cf3a6c8ec69..038eaff889bb7 100644 --- a/drivers/gpu/drm/bridge/imx/imx8qxp-pxl2dpi.c +++ b/drivers/gpu/drm/bridge/imx/imx8qxp-pxl2dpi.c @@ -398,20 +398,12 @@ static int imx8qxp_pxl2dpi_bridge_probe(struct platform_device *pdev) return -ENOMEM; p2d->regmap = syscon_node_to_regmap(np->parent); - if (IS_ERR(p2d->regmap)) { - ret = PTR_ERR(p2d->regmap); - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, "failed to get regmap: %d\n", ret); - return ret; - } + if (IS_ERR(p2d->regmap)) + return dev_err_probe(dev, ret, "failed to get regmap\n"); ret = imx_scu_get_handle(&p2d->ipc_handle); - if (ret) { - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, "failed to get SCU ipc handle: %d\n", - ret); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "failed to get SCU ipc handle\n"); p2d->dev = dev; @@ -422,13 +414,9 @@ static int imx8qxp_pxl2dpi_bridge_probe(struct platform_device *pdev) } p2d->next_bridge = imx8qxp_pxl2dpi_find_next_bridge(p2d); - if (IS_ERR(p2d->next_bridge)) { - ret = PTR_ERR(p2d->next_bridge); - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, "failed to find next bridge: %d\n", - ret); - return ret; - } + if (IS_ERR(p2d->next_bridge)) + return dev_err_probe(dev, PTR_ERR(p2d->next_bridge), + "failed to find next bridge\n"); ret = imx8qxp_pxl2dpi_set_pixel_link_sel(p2d); if (ret) From patchwork Tue Jan 7 14:38:58 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Stein X-Patchwork-Id: 13929103 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5472DE77197 for ; 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d="scan'208";a="40897247" Received: from vmailcow01.tq-net.de ([10.150.86.48]) by mx1.tq-group.com with ESMTP; 07 Jan 2025 15:39:27 +0100 X-CheckPoint: {677D3C9F-1F-3C670366-E45AD810} X-MAIL-CPID: 5D665BE28A4386F0867A29349A815CCC_4 X-Control-Analysis: str=0001.0A682F27.677D3C9F.00CA,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 59956160B22; Tue, 7 Jan 2025 15:39:22 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1736260763; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=v6ZalIwFfK9vUB0/HSTtySwzznHuXDMQLLMZDZH/dAc=; b=Kz/TNRA2k3u0PyJ5oHB+nYGayQGkRTxZ/4I43G45iHR3By/K8jB9CNTC3ABHnqQ+5j4yi1 JK0iWidsvqz2r9mSf8ykklx9V5qMaTkR7iAxw2V8CPSar/qAY4r74lKL/noQSeVcC3VVOj je4FFLa5DIqPgszBZ3nBkUAmqXvJnXvKX30Y1XIgBDai1BUJ6zBIZ/BlC2qN9HwAzVqHmQ hNivDMYEMYc6BHoSSj8KRGOVdaMfOGRVTg8i89h8UNQBaLgqsi9GP1SeITDB3QCVktFNGH tENFAAGPUqz8kL4ALPtJ9jxdwF68cdWI7BZbASmcBCgXIL03jobcxGjHDJ+xOQ== From: Alexander Stein To: Liu Ying , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Alexander Stein , dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/4] drm/bridge: imx8qxp-ldb: Use dev_err_probe Date: Tue, 7 Jan 2025 15:38:58 +0100 Message-Id: <20250107143900.988567-3-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250107143900.988567-1-alexander.stein@ew.tq-group.com> References: <20250107143900.988567-1-alexander.stein@ew.tq-group.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250107_063929_852572_B66C7884 X-CRM114-Status: GOOD ( 12.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This simplifies the code and gives additional information upon deferral. Signed-off-by: Alexander Stein Reviewed-by: Liu Ying --- drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c | 37 ++++++++---------------- 1 file changed, 12 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c b/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c index 7bce2305d6767..d5e123173f354 100644 --- a/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c +++ b/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c @@ -557,10 +557,8 @@ static int imx8qxp_ldb_parse_dt_companion(struct imx8qxp_ldb *imx8qxp_ldb) imx8qxp_ldb->companion = of_drm_find_bridge(companion_port); if (!imx8qxp_ldb->companion) { - ret = -EPROBE_DEFER; - DRM_DEV_DEBUG_DRIVER(dev, - "failed to find bridge for companion bridge: %d\n", - ret); + ret = dev_err_probe(dev, -EPROBE_DEFER, + "failed to find bridge for companion bridge\n"); goto out; } @@ -590,22 +588,14 @@ static int imx8qxp_ldb_probe(struct platform_device *pdev) return -ENOMEM; imx8qxp_ldb->clk_pixel = devm_clk_get(dev, "pixel"); - if (IS_ERR(imx8qxp_ldb->clk_pixel)) { - ret = PTR_ERR(imx8qxp_ldb->clk_pixel); - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, - "failed to get pixel clock: %d\n", ret); - return ret; - } + if (IS_ERR(imx8qxp_ldb->clk_pixel)) + return dev_err_probe(dev, PTR_ERR(imx8qxp_ldb->clk_pixel), + "failed to get pixel clock\n"); imx8qxp_ldb->clk_bypass = devm_clk_get(dev, "bypass"); - if (IS_ERR(imx8qxp_ldb->clk_bypass)) { - ret = PTR_ERR(imx8qxp_ldb->clk_bypass); - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, - "failed to get bypass clock: %d\n", ret); - return ret; - } + if (IS_ERR(imx8qxp_ldb->clk_bypass)) + return dev_err_probe(dev, PTR_ERR(imx8qxp_ldb->clk_bypass), + "failed to get bypass clock\n"); imx8qxp_ldb->dev = dev; @@ -640,13 +630,10 @@ static int imx8qxp_ldb_probe(struct platform_device *pdev) } imx8qxp_ldb_ch->phy = devm_of_phy_get(dev, ldb_ch->np, "lvds_phy"); - if (IS_ERR(imx8qxp_ldb_ch->phy)) { - ret = PTR_ERR(imx8qxp_ldb_ch->phy); - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, "failed to get channel%d PHY: %d\n", - imx8qxp_ldb->active_chno, ret); - return ret; - } + if (IS_ERR(imx8qxp_ldb_ch->phy)) + return dev_err_probe(dev, PTR_ERR(imx8qxp_ldb_ch->phy), + "failed to get channel%d PHY\n", + imx8qxp_ldb->active_chno); ret = ldb_find_next_bridge_helper(ldb); if (ret) From patchwork Tue Jan 7 14:38:59 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Stein X-Patchwork-Id: 13929104 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AB83BE77197 for ; Tue, 7 Jan 2025 14:44:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; 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a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1736260769; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=XVzJm2W1uVdEFEZWkXxZ+spN7k+YpzBUagSYY5jbkr0=; b=EllWyCh9SvK4sD0noz8TqzYTsz87MPpHWGJx3iLQ+dsF4rFFUyeHuv1JxV6vKmssHezoYt vTdohZGKG3dXtwtlZPtTrrjWt5N4YboIORAs9Sua9hyqOX2tZrst+K+QI/46AENHPx5Pw0 LRUGxZsTI2SXuJAqQnIHZtgybEKhB7Kq5+b6bb5DkO5n0mwCI6BmGb88YONYQfvZFhN1gF sWAcDONNQjMJ5WIPpwnVFPPf/RGNKz9onpxeEdDQF5q52W9kMbfuCT0pEvHGP2KgKpCx/l kT08aoo4YIE8s/bk77hnylJcSUn4UaxoDyMs+6u/T44ThUXJk788xpTPUAhhuA== From: Alexander Stein To: Liu Ying , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Alexander Stein , dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/4] drm/bridge: imx-ldb-helper: Use dev_err_probe Date: Tue, 7 Jan 2025 15:38:59 +0100 Message-Id: <20250107143900.988567-4-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250107143900.988567-1-alexander.stein@ew.tq-group.com> References: <20250107143900.988567-1-alexander.stein@ew.tq-group.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250107_063934_456443_27FFEA81 X-CRM114-Status: GOOD ( 13.03 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This simplifies the code and gives additional information upon deferral. Signed-off-by: Alexander Stein --- drivers/gpu/drm/bridge/imx/imx-ldb-helper.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c b/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c index 9b5bebbe357dd..2c9b862af74af 100644 --- a/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c +++ b/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c @@ -167,7 +167,7 @@ int ldb_find_next_bridge_helper(struct ldb *ldb) { struct device *dev = ldb->dev; struct ldb_channel *ldb_ch; - int ret, i; + int i; for (i = 0; i < MAX_LDB_CHAN_NUM; i++) { ldb_ch = ldb->channel[i]; @@ -177,14 +177,9 @@ int ldb_find_next_bridge_helper(struct ldb *ldb) ldb_ch->next_bridge = devm_drm_of_get_bridge(dev, ldb_ch->np, 1, 0); - if (IS_ERR(ldb_ch->next_bridge)) { - ret = PTR_ERR(ldb_ch->next_bridge); - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, - "failed to get next bridge: %d\n", - ret); - return ret; - } + if (IS_ERR(ldb_ch->next_bridge)) + return dev_err_probe(dev, PTR_ERR(ldb_ch->next_bridge), + "failed to find next bridge\n"); } return 0; From patchwork Tue Jan 7 14:39:00 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Stein X-Patchwork-Id: 13929112 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EF139E77197 for ; Tue, 7 Jan 2025 14:45:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; 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a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1736260774; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=0iI7T0R6eCAxaxyKlzF/ND6AcM0EauPs1fZKfAI3pZM=; b=QS2VxVpTVdB1WaEfGv+GWDm26X5wPDOXJYAeb5LFd6sdrOCKvcrAsiQFkkTKTIwhf9Om84 cLyNjddXLlyONdDEl5jW2W3gtmgcTh+iQt+QArc0fEpAnPk2n3D3eNwjqMSTbwmoQa6trn TGdOicsp3Is0Mw5xurF9t1BUZn612LRJNc0RbM+67sIbLELBy+J78juLWh3IIWl/R285nm AuW4GY6vTWvxpSRdwXfO503WYUbC9rqoAGFBC+GWnG99fUgRpGSA+yFzW6ReazhvqJ6va1 r51N/cjz1WleLpweyKC/tYovISHm7yiCsq7fCQlu20hyvaobUqHl3cXibN/oTw== From: Alexander Stein To: Liu Ying , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Alexander Stein , dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 4/4] drm/bridge: imx8qxp-pixel-link: Use dev_err_probe Date: Tue, 7 Jan 2025 15:39:00 +0100 Message-Id: <20250107143900.988567-5-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250107143900.988567-1-alexander.stein@ew.tq-group.com> References: <20250107143900.988567-1-alexander.stein@ew.tq-group.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250107_063940_346034_1F0CFBA1 X-CRM114-Status: GOOD ( 11.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This simplifies the code and gives additional information upon deferral. Signed-off-by: Alexander Stein Reviewed-by: Liu Ying --- .../gpu/drm/bridge/imx/imx8qxp-pixel-link.c | 19 ++++++------------- 1 file changed, 6 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/bridge/imx/imx8qxp-pixel-link.c b/drivers/gpu/drm/bridge/imx/imx8qxp-pixel-link.c index 4b0715ed6f38c..6391038f3949f 100644 --- a/drivers/gpu/drm/bridge/imx/imx8qxp-pixel-link.c +++ b/drivers/gpu/drm/bridge/imx/imx8qxp-pixel-link.c @@ -333,12 +333,9 @@ static int imx8qxp_pixel_link_bridge_probe(struct platform_device *pdev) return -ENOMEM; ret = imx_scu_get_handle(&pl->ipc_handle); - if (ret) { - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, "failed to get SCU ipc handle: %d\n", - ret); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, + "failed to get SCU ipc handle\n"); ret = of_property_read_u8(np, "fsl,dc-id", &pl->dc_id); if (ret) { @@ -374,13 +371,9 @@ static int imx8qxp_pixel_link_bridge_probe(struct platform_device *pdev) return ret; pl->next_bridge = imx8qxp_pixel_link_find_next_bridge(pl); - if (IS_ERR(pl->next_bridge)) { - ret = PTR_ERR(pl->next_bridge); - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, "failed to find next bridge: %d\n", - ret); - return ret; - } + if (IS_ERR(pl->next_bridge)) + return dev_err_probe(dev, PTR_ERR(pl->next_bridge), + "failed to find next bridge\n"); platform_set_drvdata(pdev, pl);