From nobody Sun Feb 8 06:54:35 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 C271F33F8C5; Tue, 13 Jan 2026 10:09:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768298966; cv=none; b=WsB2tRP0UUttSG4SRv4ZSq/oKMDZzJ2HcXtAQNCcmtYZ+EPlRAkaBJ24GqCtIInN1rgtawzqdd4FNlwVHl8B/6YhfI6YYoaeJTZQoxfyhhFHEqnM5WRURTs+SP3nAL+p1fxpwo/fTX2zyGpQEYvzMA1XJmd6COP9If6YbulTmVM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768298966; c=relaxed/simple; bh=gOVO/+YtO6oW71b+N3o8srvhA4NfR3lVf1MPG+pnCDk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Vl3aTP01v2Bsjtq3x6nAydpPQiO31STG29VV/LLTr98k+fi8c/CMSKkmPCxUNepb+Z+pwsAhlcbvM/tvuMLbIHvhzEfcAA7u+Iv2PEAKE3UM0Cmi2fTnEYnl0ofB4z6IeVmDTib2KiaZmlXAtROykfh1VBaeZeX0jCSBKcqN0ew= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ktrJlZ9J; arc=none smtp.client-ip=198.175.65.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ktrJlZ9J" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1768298965; x=1799834965; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=gOVO/+YtO6oW71b+N3o8srvhA4NfR3lVf1MPG+pnCDk=; b=ktrJlZ9J5+4RzGnRPb7UA9EIqAannJgC520Fp4r9/PZeKwbWdPuEeZFY qyK1OvUQWmlKnYHUNMp151Zk/cXKCm7v/8A9dQs/tDGf85YW9U70mqY8t aEOCSTQhhwyEUZPtt+59ite4+SeFYKxdLoXtDMdNH5xw5Y47SOTk+xNo+ JOlz/UT4r4fQQ8EJimqWsXheTqK3mJo6PhbKP2Y4aD9TrxUBQbXYaNrLK UGdSVt0qWgx6mQyk2UpqPNLQ0OIW4IPw1YdP0WMsEI+6VJeRqmKojMq/B pgDTt3U8Q38ZGKTDuHvOOoFRGdrENktShgMypU5xrJ1F6sOTfmaIHTSOm g==; X-CSE-ConnectionGUID: f70ISQsfQN6tNKdBTwRoMg== X-CSE-MsgGUID: V5cAJqjoSwafpx2YQ8WLMQ== X-IronPort-AV: E=McAfee;i="6800,10657,11669"; a="69637701" X-IronPort-AV: E=Sophos;i="6.21,222,1763452800"; d="scan'208";a="69637701" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jan 2026 02:09:19 -0800 X-CSE-ConnectionGUID: NGYg8ULSST+xL5NPqTUVdg== X-CSE-MsgGUID: 1dR9L7+aRMS7L2Z98jFGag== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,222,1763452800"; d="scan'208";a="203555916" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa010.jf.intel.com with ESMTP; 13 Jan 2026 02:09:17 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 3282B99; Tue, 13 Jan 2026 11:09:16 +0100 (CET) From: Andy Shevchenko To: Andy Shevchenko , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Linus Walleij , Bartosz Golaszewski Subject: [PATCH v1 1/3] gpio: pca9570: Use devm_mutex_init() for mutex initialization Date: Tue, 13 Jan 2026 11:08:04 +0100 Message-ID: <20260113100913.136777-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260113100913.136777-1-andriy.shevchenko@linux.intel.com> References: <20260113100913.136777-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace mutex_init() with the devm_mutex_init(), to ensure proper mutex cleanup during probe failure and driver removal. Signed-off-by: Andy Shevchenko Reviewed-by: Linus Walleij --- drivers/gpio/gpio-pca9570.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-pca9570.c b/drivers/gpio/gpio-pca9570.c index c5a1287079a0..eae35135c71e 100644 --- a/drivers/gpio/gpio-pca9570.c +++ b/drivers/gpio/gpio-pca9570.c @@ -115,7 +115,9 @@ static int pca9570_set(struct gpio_chip *chip, unsigned= int offset, int value) =20 static int pca9570_probe(struct i2c_client *client) { + struct device *dev =3D &client->dev; struct pca9570 *gpio; + int ret; =20 gpio =3D devm_kzalloc(&client->dev, sizeof(*gpio), GFP_KERNEL); if (!gpio) @@ -132,7 +134,9 @@ static int pca9570_probe(struct i2c_client *client) gpio->chip.ngpio =3D gpio->chip_data->ngpio; gpio->chip.can_sleep =3D true; =20 - mutex_init(&gpio->lock); + ret =3D devm_mutex_init(dev, &gpio->lock); + if (ret) + return ret; =20 /* Read the current output level */ pca9570_read(gpio, &gpio->out); --=20 2.50.1