From nobody Thu Dec 18 12:11:45 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 D878BC83F1A for ; Sun, 27 Aug 2023 09:39:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230418AbjH0JjB (ORCPT ); Sun, 27 Aug 2023 05:39:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230287AbjH0JiU (ORCPT ); Sun, 27 Aug 2023 05:38:20 -0400 Received: from smtp.smtpout.orange.fr (smtp-15.smtpout.orange.fr [80.12.242.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 647FAFA for ; Sun, 27 Aug 2023 02:38:18 -0700 (PDT) Received: from pop-os.home ([86.243.2.178]) by smtp.orange.fr with ESMTPA id aCDYqs7H09KIfaCDoq3nY7; Sun, 27 Aug 2023 11:38:17 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1693129097; bh=piFugZHMLuSIS9b+Rv/FmdqkIddGgweuSK0getmdWiQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=YJ7XAJ3+B+BiabruVyPjt4PsGR3SEyI6KA0N9ZzKe1O7WTLRY7+zI5tUkCIBTuA5t bZlYskYXbE0zGWWPU3nokcAl/cDDfnn3G3xe1ePsfo/Z1U3EjGHWM24bdc2xO0+Gyp lKyqco2d0LCAV5ijqFVthSYu3TktErkNQj7GhLqHUJFDaR3dcks7n2k9uk032IOZ0p nZMtMcMgJZvQ3N3wg6qAQvg+yrT1pFg6mln7VCkDxfF1+VREHmM8HZErGNYIylbxby TBigHzrjqAsU5YdeolnqtnxbT5BJqICZdrm1SBB9bq2spVbUmfRH+7gA8rGANPYxzc bbT8mV+3w3fEQ== X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sun, 27 Aug 2023 11:38:17 +0200 X-ME-IP: 86.243.2.178 From: Christophe JAILLET To: abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, shengjiu.wang@nxp.com Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 1/5] clk: imx: imx8: Fix an error handling path in clk_imx_acm_attach_pm_domains() Date: Sun, 27 Aug 2023 11:37:52 +0200 Message-Id: <84ba2f52d43887f954d26a784bd576f20587320f.1693126687.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" If a dev_pm_domain_attach_by_id() call fails, previously allocated resources need to be released. Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver") Signed-off-by: Christophe JAILLET Reviewed-by: Peng Fan --- drivers/clk/imx/clk-imx8-acm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c index 1e82f72b75c6..87025a6772d0 100644 --- a/drivers/clk/imx/clk-imx8-acm.c +++ b/drivers/clk/imx/clk-imx8-acm.c @@ -279,8 +279,10 @@ static int clk_imx_acm_attach_pm_domains(struct device= *dev, =20 for (i =3D 0; i < dev_pm->num_domains; i++) { dev_pm->pd_dev[i] =3D dev_pm_domain_attach_by_id(dev, i); - if (IS_ERR(dev_pm->pd_dev[i])) - return PTR_ERR(dev_pm->pd_dev[i]); + if (IS_ERR(dev_pm->pd_dev[i])) { + ret =3D PTR_ERR(dev_pm->pd_dev[i]); + goto detach_pm; + } =20 dev_pm->pd_dev_link[i] =3D device_link_add(dev, dev_pm->pd_dev[i], --=20 2.34.1 From nobody Thu Dec 18 12:11:45 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 A616FC83F13 for ; Sun, 27 Aug 2023 09:39:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230490AbjH0JjD (ORCPT ); Sun, 27 Aug 2023 05:39:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40732 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230360AbjH0JiZ (ORCPT ); Sun, 27 Aug 2023 05:38:25 -0400 Received: from smtp.smtpout.orange.fr (smtp-15.smtpout.orange.fr [80.12.242.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D949FA for ; Sun, 27 Aug 2023 02:38:22 -0700 (PDT) Received: from pop-os.home ([86.243.2.178]) by smtp.orange.fr with ESMTPA id aCDYqs7H09KIfaCDtq3nYr; Sun, 27 Aug 2023 11:38:21 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1693129101; bh=qhuQ6UNsFUTemQzGujstryJyMiE4Em6qSWkpxgpWDqw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=DmXSgHOSFNiAOlGSQRm/3mR0BBWewJyG3gQrTv5gPGt12LklZqc0KIFph5X0/zrpU uzfu8+7vVNeej1qCEdwbVDpVzpbl4C8lycjMf/TkKF4uTiejqCAA2GpFpcwIrapAXY GqtIgaopOWS8rK6W899cKGzD4FDCV8ThCJYvWNCzqibNp9hWdzYobkvd+22X8rtZav uuUVwiDT7RwGOTKB3eP/edYGz90Stb4EX8FgH+mh9tdCLH/v+pRrH1TmeFg+4FvFId TbcEPYTkKIyY6cQF0ZPeDxgjdVxB1WaxsUeMUJd/HFYV1MTLP7TwVsGQYyPWdBj4of iYtrtFigrD4sg== X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sun, 27 Aug 2023 11:38:21 +0200 X-ME-IP: 86.243.2.178 From: Christophe JAILLET To: abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, shengjiu.wang@nxp.com Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 2/5] clk: imx: imx8: Fix an error handling path if devm_clk_hw_register_mux_parent_data_table() fails Date: Sun, 27 Aug 2023 11:37:53 +0200 Message-Id: <6bd11f11ccbf23bb6735daf3b3780f1f24528647.1693126687.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" If a devm_clk_hw_register_mux_parent_data_table() call fails, it is likely that the probe should fail with an error code. Set ret before leaving the function. Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver") Signed-off-by: Christophe JAILLET Reviewed-by: Peng Fan --- This patch is speculative, review with care. --- drivers/clk/imx/clk-imx8-acm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c index 87025a6772d0..0cd9aa3629f3 100644 --- a/drivers/clk/imx/clk-imx8-acm.c +++ b/drivers/clk/imx/clk-imx8-acm.c @@ -373,6 +373,7 @@ static int imx8_acm_clk_probe(struct platform_device *p= dev) sels[i].shift, sels[i].width, 0, NULL, NULL); if (IS_ERR(hws[sels[i].clkid])) { + ret =3D PTR_ERR(hws[sels[i].clkid]); pm_runtime_disable(&pdev->dev); goto err_clk_register; } --=20 2.34.1 From nobody Thu Dec 18 12:11:45 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 3861AC83F15 for ; Sun, 27 Aug 2023 09:39:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230501AbjH0JjG (ORCPT ); Sun, 27 Aug 2023 05:39:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40734 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230364AbjH0Ji2 (ORCPT ); Sun, 27 Aug 2023 05:38:28 -0400 Received: from smtp.smtpout.orange.fr (smtp-15.smtpout.orange.fr [80.12.242.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1648E4 for ; Sun, 27 Aug 2023 02:38:26 -0700 (PDT) Received: from pop-os.home ([86.243.2.178]) by smtp.orange.fr with ESMTPA id aCDYqs7H09KIfaCDxq3na4; Sun, 27 Aug 2023 11:38:25 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1693129105; bh=I6DfPJLjRMXd5IakoD9Cs1Y4bITISq9Vs0SLJnQFqZU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=hqotYqNZ7+Lb9zpuQe/7IGIaXgdHXl142eKk6OuVwfKjh1Fr3OD8vrRCx3DVMUFtO juL3qA4px/KLjNLignVmc5cCEZNmzRrcXaiWo/+n9UxirARxaIty5PEuHvqvyhf5fe L/2I5nlLA4j4raZlusP4/evTQ7ZoR4G7MdWGEddNDz06cqjWbkDaeFqHXgUT9aM0JJ B3smEwbAHN4n6frMLoJZG6tLhs50BPGCh5uhgnPlo2YrR+pSAW/Ls0JOXd3pnhPZ7g WnXkSQk9qq+3MDMcO9HlUcUoLm66jM9lZLDV99Uvd3QchIx8ZSIKXNlXSacqShJYag inDyKrYwnYt8g== X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sun, 27 Aug 2023 11:38:25 +0200 X-ME-IP: 86.243.2.178 From: Christophe JAILLET To: abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, shengjiu.wang@nxp.com Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 3/5] clk: imx: imx8: Fix an error handling path in imx8_acm_clk_probe() Date: Sun, 27 Aug 2023 11:37:54 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" If an error occurs after a successful clk_imx_acm_attach_pm_domains() call, it must be undone. Add an explicit error handling path, Re-order the code and add the missing clk_imx_acm_detach_pm_domains() call. Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver") Signed-off-by: Christophe JAILLET Reviewed-by: Peng Fan --- This patch is speculative, review with care. --- drivers/clk/imx/clk-imx8-acm.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c index 0cd9aa3629f3..19914c1d7c39 100644 --- a/drivers/clk/imx/clk-imx8-acm.c +++ b/drivers/clk/imx/clk-imx8-acm.c @@ -374,7 +374,6 @@ static int imx8_acm_clk_probe(struct platform_device *p= dev) 0, NULL, NULL); if (IS_ERR(hws[sels[i].clkid])) { ret =3D PTR_ERR(hws[sels[i].clkid])); - pm_runtime_disable(&pdev->dev); goto err_clk_register; } } @@ -384,12 +383,16 @@ static int imx8_acm_clk_probe(struct platform_device = *pdev) ret =3D devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, clk_hw_da= ta); if (ret < 0) { dev_err(dev, "failed to register hws for ACM\n"); - pm_runtime_disable(&pdev->dev); + goto err_clk_register; } =20 -err_clk_register: + pm_runtime_put_sync(&pdev->dev); + return 0; =20 +err_clk_register: pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + clk_imx_acm_detach_pm_domains(&pdev->dev, &priv->dev_pm); =20 return ret; } --=20 2.34.1 From nobody Thu Dec 18 12:11:45 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 5E8ABC83F16 for ; Sun, 27 Aug 2023 09:39:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231137AbjH0JjL (ORCPT ); Sun, 27 Aug 2023 05:39:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230374AbjH0Jid (ORCPT ); Sun, 27 Aug 2023 05:38:33 -0400 Received: from smtp.smtpout.orange.fr (smtp-16.smtpout.orange.fr [80.12.242.16]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4D8BE4 for ; Sun, 27 Aug 2023 02:38:30 -0700 (PDT) Received: from pop-os.home ([86.243.2.178]) by smtp.orange.fr with ESMTPA id aCDYqs7H09KIfaCE1q3naj; Sun, 27 Aug 2023 11:38:29 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1693129109; bh=i5qoU1N0Ijqq+IRjIQaG9uUkOL+C8Y0RRn+B9L4Ow7A=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=rOBttUZYKGhbmMprEne7+McQ0FBU3WSbssxOHdFLcpJ31dcw0+EEhZd4vy3uwAd0V YhYpN1PqH95lKqoaC8dOxYp2jbSncOacMIb57yMiD052ZIUGdfSJ3/zL+F16pCPTfx xLOXQn9/QohJfQoN/1/j/eX5g9+5cjOLW65osmAK/kZ2mp7dGKPj6gwJcBksJsL8DO MmKY5n/4e+AUTPKacSkIR3yz57kw1oyy7/5pq/HtD0Cv/o6NF5Z80mT9cyHjLAKASO c8jEGxiOzLipdqobaf0HJqbXqapCm8Tfe87ibX/vCbfmK4YJaZGPpOBY9krMDHku/Z bMFqFQts0sRjw== X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sun, 27 Aug 2023 11:38:29 +0200 X-ME-IP: 86.243.2.178 From: Christophe JAILLET To: abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, shengjiu.wang@nxp.com Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 4/5] clk: imx: imx8: Add a message in case of devm_clk_hw_register_mux_parent_data_table() error Date: Sun, 27 Aug 2023 11:37:55 +0200 Message-Id: <92d1e1355a216b1304a9d988aaa499553528a3b9.1693126687.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" If devm_clk_hw_register_mux_parent_data_table() fails, we branch to the error handling path and imx_check_clk_hws() is never called. Actually, imx_check_clk_hws() is a no-op because values in hws are either valid, either NULL. Move the call to imx_check_clk_hws() in the error handling path, so that an error is logged. Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver") Signed-off-by: Christophe JAILLET Reviewed-by: Peng Fan --- drivers/clk/imx/clk-imx8-acm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c index 19914c1d7c39..33157bc706ae 100644 --- a/drivers/clk/imx/clk-imx8-acm.c +++ b/drivers/clk/imx/clk-imx8-acm.c @@ -374,12 +374,11 @@ static int imx8_acm_clk_probe(struct platform_device = *pdev) 0, NULL, NULL); if (IS_ERR(hws[sels[i].clkid])) { ret =3D PTR_ERR(hws[sels[i].clkid])); + imx_check_clk_hws(hws, IMX_ADMA_ACM_CLK_END); goto err_clk_register; } } =20 - imx_check_clk_hws(hws, IMX_ADMA_ACM_CLK_END); - ret =3D devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, clk_hw_da= ta); if (ret < 0) { dev_err(dev, "failed to register hws for ACM\n"); --=20 2.34.1 From nobody Thu Dec 18 12:11:45 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 BAB84C83F18 for ; Sun, 27 Aug 2023 09:39:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231149AbjH0JjN (ORCPT ); Sun, 27 Aug 2023 05:39:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56348 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230379AbjH0Jig (ORCPT ); Sun, 27 Aug 2023 05:38:36 -0400 Received: from smtp.smtpout.orange.fr (smtp-16.smtpout.orange.fr [80.12.242.16]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 597DFFA for ; Sun, 27 Aug 2023 02:38:34 -0700 (PDT) Received: from pop-os.home ([86.243.2.178]) by smtp.orange.fr with ESMTPA id aCDYqs7H09KIfaCE4q3nb5; Sun, 27 Aug 2023 11:38:33 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1693129113; bh=+P4qXG0DNFgTzSGfPFxL6rolcGOhTs7nFhwTKxuBpPo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=e6GGeHkclzkSFZH7b6d6bA40oWV879quuR7gMm0OtFDdxiowVxHxfUZX1s7d07Leb DEJp+gg/Gpf25duCNb11870Z4mHvaKw6tJf2E4LebCkZ3RIR7kJ58aY9RpoRDflVH1 QGnGlABHepua5oBa8YUlSsaoOKaW/tzFUAOT92VPQdlKZodOlrU64tNjzBz/9iLjaK T13d+u6IKBC0Jb7QSga2ltLIpcytHTAG/hW1V7c6vCRq1NCe76ymUimiCdjXSDJQBf YTi2VzcGJWyP6uA68pxqmY4h9el5F8EW/Y/UUp9947zjRxrIgrVlGpx4a6+sYIVIoV OAKxmTCEWmzkA== X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sun, 27 Aug 2023 11:38:33 +0200 X-ME-IP: 86.243.2.178 From: Christophe JAILLET To: abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, shengjiu.wang@nxp.com Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 5/5] clk: imx: imx8: Simplify clk_imx_acm_detach_pm_domains() Date: Sun, 27 Aug 2023 11:37:56 +0200 Message-Id: <9046676220e3f5362d3aa638cb5cd4ffcbae797d.1693126687.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The return value of clk_imx_acm_detach_pm_domains() never used. Simplify the code and turn it into a void function. Signed-off-by: Christophe JAILLET Reviewed-by: Peng Fan --- drivers/clk/imx/clk-imx8-acm.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c index 33157bc706ae..2c920091d678 100644 --- a/drivers/clk/imx/clk-imx8-acm.c +++ b/drivers/clk/imx/clk-imx8-acm.c @@ -310,20 +310,18 @@ static int clk_imx_acm_attach_pm_domains(struct devic= e *dev, * @dev: deivice pointer * @dev_pm: multi power domain for device */ -static int clk_imx_acm_detach_pm_domains(struct device *dev, - struct clk_imx_acm_pm_domains *dev_pm) +static void clk_imx_acm_detach_pm_domains(struct device *dev, + struct clk_imx_acm_pm_domains *dev_pm) { int i; =20 if (dev_pm->num_domains <=3D 1) - return 0; + return; =20 for (i =3D 0; i < dev_pm->num_domains; i++) { device_link_del(dev_pm->pd_dev_link[i]); dev_pm_domain_detach(dev_pm->pd_dev[i], false); } - - return 0; } =20 static int imx8_acm_clk_probe(struct platform_device *pdev) --=20 2.34.1