From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794061428; b=5IGDsu2D/aIr19XaGyrOAGzctRew5Dp9LbAm2bsedoR50hNB+XUXXfDPmOaXeL7gd7OB 80Pfgt1pF4113k20dteaJY6b/4a3elObDKkXqynaBLZ5w01NaJGH/G6I4cxZfaDQgIZsL wD4d/wMsrYT1nNHl4+DgOv7tmeKARiexvNnJ2OiS1bC/o65faJvs4K4za5KPdzSm7uRb+ fk+lWKxCBuuKCspJ36OX0DbqNlITxfM70uHvde5rTGuvblVGIQ0+n9DRtXzwLOTk4OVS6 Jrt0ComJpeuB0+uqL+n0xM5Q8gNo5vnRaKj3OKhoU8lSIDcEv4SBTatO1zR/QX5PQ/Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794061428; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=Uq2XfX6ma6incn4UGAWJBh3mGji/twPGNJMiytAgLGQ=; b=bng21G5LdfOzbENgzZsBJssXX1Qn3s4PuKJup/uWXZucOqlWXfD7aQWdZlJmqNjbIlf/ 64fhcqQ66U8CA2B1+61JnKczSqqyig0uhC2LRknYHJY/wcFE3WAngxYeIizNkrqABO3AK QV05Mf8otR6dLIxL4wc4mBAK/2kKlA8iOdf1Qnuf9AOn+cBTzDMACC4z9Is5kjf67Qh/L Lftgaw54nHciZn99LkwmLhYCFmDDGftH212wIliDxVH18FBemF1fUWeai2R8xSl42AcXw kYpWHEfCuivUbdWuYn2vjLYua+hvw1tI2AwdGyzNbx3bbFAEf/TwjzjMsXGBcuQDftQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=L5mM6ihn; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E36BA606A326; Sat, 7 Nov 2026 14:23:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=L5mM6ihn Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92BE41F0089F; Sat, 7 Nov 2026 14:23:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1794061427; bh=Uq2XfX6ma6incn4UGAWJBh3mGji/twPGNJMiytAgLGQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=L5mM6ihnQbZvB2qHXCxv5UBwWwPem8u+9O4XX9Gm0vOWoc2QaYMilIpEgFycz3MF+ M5GkVlSZ5BKRHT/ll6CkyTdTrtjIPmgTEvmRsmhoaTT3DBTu33VawsV4Kp8hVeW0yl zQuSKB5ubtU3QQDeYHGHddMIAPMoQGRurA0fI9yA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Janani Sunil , Stable@vger.kernel.org, Jonathan Cameron , Sasha Levin Subject: [PATCH 6.12 0499/1536] iio: adc: adi-axi-adc: Initialize state mutex Date: Sat, 7 Nov 2026 08:41:55 -0500 Message-ID: <20261107135011.470116125@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261107134957.653319350@linuxfoundation.org> References: <20261107134957.653319350@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Janani Sunil [ Upstream commit 549b71ce050637dd32678371ad76c445a2f8c9aa ] The AXI ADC register access paths serialize transactions with st->lock, but probe does not initialize it. Initialize the mutex before registering the backend. Fixes: 7ecb8ee5c93b ("iio: adc: adi-axi-adc: support digital interface calibration") Signed-off-by: Janani Sunil Cc: Signed-off-by: Jonathan Cameron [ sashal: Changed devm_mutex_init(dev, ...) to devm_mutex_init(&pdev->dev, ...) because this probe function has no local dev variable. ] Signed-off-by: Sasha Levin --- drivers/iio/adc/adi-axi-adc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index 5c8c87eb36d19..4fd4a8d759250 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -359,6 +359,10 @@ static int adi_axi_adc_probe(struct platform_device *pdev) if (!st) return -ENOMEM; + ret = devm_mutex_init(&pdev->dev, &st->lock); + if (ret) + return ret; + base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base); -- 2.53.0