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 24D721E0DB6; Wed, 6 Nov 2024 13:01:17 +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=1730898077; cv=none; b=IMeYuxdO5RqafzCI7kSYpRFo8dU9xF0PqdTLsFk1WjxJ5TnUfa0Wx3b9hGIG41AyDyTXOjSvd2z3Og1JnJycnw8cJOPR6nLUz/q8ll5a++MnaoNBmC0d01c0jEJ4y+7yrEwCzSx01l81umhs1iouLBu8vVfqZuRJTh6SBNV0vGI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730898077; c=relaxed/simple; bh=smuHritx4oY06AG6B9YBPasz5Q4hjPQJpsoaYYWCcb0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SJccJazj7s4+yFCkBP/SBGw0eaKnyBwZmEOsVJTOpxVEGl+0UnZVW0xpckp7mVUoWT2cTtlLuF+y/sPR3CoHqr0Y+vQU23+Oea8/tMQ2TQ/8TwQorUg2XDyhn+XF8g7xizBzIyALJQZZu4VJVHmjI3/p2S27RiGQV9iULgeee2c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=HDZhoVP/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="HDZhoVP/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9FAFFC4CECD; Wed, 6 Nov 2024 13:01:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730898077; bh=smuHritx4oY06AG6B9YBPasz5Q4hjPQJpsoaYYWCcb0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HDZhoVP/Cppzje/KR+R9V+gSddx5o+oqX6H2SX/BZue73W1cZEPI9s5DNC5OKSatm 6lyrHuTieb4LwpDAhsk3aKW3YpruEPTnpP+DUq4BnP/Atlcm7UXU//XD7GVklz6kZl NxkWamgpHkWmcFp6RiCKlj3E2PnZqhVPyySewO/w= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wang Jianzheng , Linus Walleij , Sasha Levin Subject: [PATCH 5.4 117/462] pinctrl: mvebu: Fix devinit_dove_pinctrl_probe function Date: Wed, 6 Nov 2024 13:00:10 +0100 Message-ID: <20241106120334.397510345@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241106120331.497003148@linuxfoundation.org> References: <20241106120331.497003148@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wang Jianzheng [ Upstream commit c25478419f6fd3f74c324a21ec007cf14f2688d7 ] When an error occurs during the execution of the function __devinit_dove_pinctrl_probe, the clk is not properly disabled. Fix this by calling clk_disable_unprepare before return. Fixes: ba607b6238a1 ("pinctrl: mvebu: make pdma clock on dove mandatory") Signed-off-by: Wang Jianzheng Link: https://lore.kernel.org/20240829064823.19808-1-wangjianzheng@vivo.com Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/mvebu/pinctrl-dove.c | 42 +++++++++++++++++++--------- 1 file changed, 29 insertions(+), 13 deletions(-) diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c index bd74daa9ed666..c84326dfe371c 100644 --- a/drivers/pinctrl/mvebu/pinctrl-dove.c +++ b/drivers/pinctrl/mvebu/pinctrl-dove.c @@ -769,7 +769,7 @@ static int dove_pinctrl_probe(struct platform_device *pdev) of_match_device(dove_pinctrl_of_match, &pdev->dev); struct mvebu_mpp_ctrl_data *mpp_data; void __iomem *base; - int i; + int i, ret; pdev->dev.platform_data = (void *)match->data; @@ -785,13 +785,17 @@ static int dove_pinctrl_probe(struct platform_device *pdev) clk_prepare_enable(clk); base = devm_platform_get_and_ioremap_resource(pdev, 0, &mpp_res); - if (IS_ERR(base)) - return PTR_ERR(base); + if (IS_ERR(base)) { + ret = PTR_ERR(base); + goto err_probe; + } mpp_data = devm_kcalloc(&pdev->dev, dove_pinctrl_info.ncontrols, sizeof(*mpp_data), GFP_KERNEL); - if (!mpp_data) - return -ENOMEM; + if (!mpp_data) { + ret = -ENOMEM; + goto err_probe; + } dove_pinctrl_info.control_data = mpp_data; for (i = 0; i < ARRAY_SIZE(dove_mpp_controls); i++) @@ -810,8 +814,10 @@ static int dove_pinctrl_probe(struct platform_device *pdev) } mpp4_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mpp4_base)) - return PTR_ERR(mpp4_base); + if (IS_ERR(mpp4_base)) { + ret = PTR_ERR(mpp4_base); + goto err_probe; + } res = platform_get_resource(pdev, IORESOURCE_MEM, 2); if (!res) { @@ -822,8 +828,10 @@ static int dove_pinctrl_probe(struct platform_device *pdev) } pmu_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(pmu_base)) - return PTR_ERR(pmu_base); + if (IS_ERR(pmu_base)) { + ret = PTR_ERR(pmu_base); + goto err_probe; + } gconfmap = syscon_regmap_lookup_by_compatible("marvell,dove-global-config"); if (IS_ERR(gconfmap)) { @@ -833,12 +841,17 @@ static int dove_pinctrl_probe(struct platform_device *pdev) adjust_resource(&fb_res, (mpp_res->start & INT_REGS_MASK) + GC_REGS_OFFS, 0x14); gc_base = devm_ioremap_resource(&pdev->dev, &fb_res); - if (IS_ERR(gc_base)) - return PTR_ERR(gc_base); + if (IS_ERR(gc_base)) { + ret = PTR_ERR(gc_base); + goto err_probe; + } + gconfmap = devm_regmap_init_mmio(&pdev->dev, gc_base, &gc_regmap_config); - if (IS_ERR(gconfmap)) - return PTR_ERR(gconfmap); + if (IS_ERR(gconfmap)) { + ret = PTR_ERR(gconfmap); + goto err_probe; + } } /* Warn on any missing DT resource */ @@ -846,6 +859,9 @@ static int dove_pinctrl_probe(struct platform_device *pdev) dev_warn(&pdev->dev, FW_BUG "Missing pinctrl regs in DTB. Please update your firmware.\n"); return mvebu_pinctrl_probe(pdev); +err_probe: + clk_disable_unprepare(clk); + return ret; } static struct platform_driver dove_pinctrl_driver = { -- 2.43.0