From mboxrd@z Thu Jan 1 00:00:00 1970 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 0F72BCA6015 for ; Fri, 9 Oct 2026 05:37:39 +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: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:In-Reply-To:References:List-Owner; bh=WdbeveqM7N6Tv16KBvzRhi0QL6R3QI/o2YFgonCJgF8=; b=FOZxH87B6mXlyiwsdTaRUA3vkX gKye09m4PwTJUk5jaGIZY9eOBDM+ZC5opTiVpnVNseeBYf+AnSI4bEVzkU6/yKagDzRZfMSB6ik+R nSpe2alnCZYDNqB5uGMp0EhBGC9QoWeGYPErgAo9IWpnD1X50kzSoNGXBYpcjQ/AAY7nH77Ypb32J KnHhHDk+s8PErxcKTtRaxmsOr7lbeFMIFnQTVJpLeNBO8LUbBUsxSqIGSw3B01hkBgh43XgDA1VLH 8EHxmZ/39KbRJbLYvw73zsmzoy7e5HfU0mi5P1U/pg8BYBrQvODpW0o4rh3w75P3fKYlC8mQOH/EB fHD6hj1g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xF3IM-00000005Xzs-3APZ; Fri, 09 Oct 2026 05:37:26 +0000 Received: from smtp81.cstnet.cn ([159.226.251.81] helo=cstnet.cn) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xF3II-00000005XzB-0LkC for linux-arm-kernel@lists.infradead.org; Fri, 09 Oct 2026 05:37:24 +0000 Received: from fc87d0ffb700.home.arpa (unknown [36.110.52.2]) by APP-03 (Coremail) with SMTP id rQCowAD3_jyNfchqKC0dCg--.3528S2; Fri, 09 Oct 2026 13:37:18 +0800 (CST) From: Haotian Zhang To: Herve Codina , Qiang Zhao , Li Yang , Mark Brown Cc: linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] soc: fsl: cpm1: tsa: fix wrong clocks released on cleanup Date: Fri, 9 Oct 2026 13:37:20 +0800 Message-Id: <20261009053720.3146117-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: rQCowAD3_jyNfchqKC0dCg--.3528S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Zw4UtrWkXw4kGFWrCw4Durg_yoW8uFWUpr Z3KrWFvrZ2qFWqgFnrGw4IqF1rta17ta4xKrsxGa1IkrZxJF1Utr1DCa4xZFn5Cr1UCFsr XFyUGFs5G3WUArJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkmb7Iv0xC_Kw4lb4IE77IF4wAFF20E14v26r4j6ryUM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwV C2z280aVCY1x0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC 0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUAVWUtwAv7VC2z280aVAFwI0_Cr0_Gr 1UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCY1x0262kKe7AKxVWUAVWU twCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r 1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij 64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr 0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF 0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuYvjxUqqNKUUUUU X-Originating-IP: [36.110.52.2] X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiBgYPA2rIYxBI6AAAs9 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261008_223722_496830_CC681624 X-CRM114-Status: UNSURE ( 9.93 ) X-CRM114-Notice: Please train this message. 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 tsa_of_parse_tdms() gets and enables tdm->l1tsync_clk and tdm->l1tclk_clk in addition to l1rsync_clk and l1rclk_clk, but the error cleanup path releases l1rsync_clk/l1rclk_clk again in the l1tsync_clk/l1tclk_clk branches. The tsync/tclk clocks are leaked -- never disabled nor clk_put() -- while rsync/rclk are clk_put() twice, underflowing their reference counts. tsa_remove() has the same copy-paste bug. Release the clock actually held in each cleanup branch. Fixes: 1d4ba0b81c1c ("soc: fsl: cpm1: Add support for TSA") Assisted-by: DeepSeek-V4.1-Flash Signed-off-by: Haotian Zhang --- drivers/soc/fsl/qe/tsa.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/soc/fsl/qe/tsa.c b/drivers/soc/fsl/qe/tsa.c index 4a88e54d25b9..502e2ffe8689 100644 --- a/drivers/soc/fsl/qe/tsa.c +++ b/drivers/soc/fsl/qe/tsa.c @@ -865,12 +865,12 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np) clk_put(tsa->tdm[i].l1rclk_clk); } if (tsa->tdm[i].l1tsync_clk) { - clk_disable_unprepare(tsa->tdm[i].l1rsync_clk); - clk_put(tsa->tdm[i].l1rsync_clk); + clk_disable_unprepare(tsa->tdm[i].l1tsync_clk); + clk_put(tsa->tdm[i].l1tsync_clk); } if (tsa->tdm[i].l1tclk_clk) { - clk_disable_unprepare(tsa->tdm[i].l1rclk_clk); - clk_put(tsa->tdm[i].l1rclk_clk); + clk_disable_unprepare(tsa->tdm[i].l1tclk_clk); + clk_put(tsa->tdm[i].l1tclk_clk); } } return ret; @@ -1039,12 +1039,12 @@ static void tsa_remove(struct platform_device *pdev) clk_put(tsa->tdm[i].l1rclk_clk); } if (tsa->tdm[i].l1tsync_clk) { - clk_disable_unprepare(tsa->tdm[i].l1rsync_clk); - clk_put(tsa->tdm[i].l1rsync_clk); + clk_disable_unprepare(tsa->tdm[i].l1tsync_clk); + clk_put(tsa->tdm[i].l1tsync_clk); } if (tsa->tdm[i].l1tclk_clk) { - clk_disable_unprepare(tsa->tdm[i].l1rclk_clk); - clk_put(tsa->tdm[i].l1rclk_clk); + clk_disable_unprepare(tsa->tdm[i].l1tclk_clk); + clk_put(tsa->tdm[i].l1tclk_clk); } } } -- 2.25.1