From nobody Tue Feb 10 08:01:12 2026 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 ED45136F414; Wed, 28 Jan 2026 17:52:24 +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=1769622745; cv=none; b=ZR7tDSG7iGzCX694CLtRJlQm3g7SE3G7JZD6rK5mJsExK00REHXlpFmkXNpefNaAO1dus0FcmdMz87Jy6U4+jFBaQRHDKpKg3tI5l9mZ175h+6JF+XkwMfO2Tuxk0QJocjjKad1yodOV0bfdgVwYdewS+aQ9q3tDgJjP+HQDk1k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769622745; c=relaxed/simple; bh=9zO5JxPpwU9Bq+Dt2g2d2UItDDZIf0gZvWrs+ZUdDhw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Apc/NqeEotobmGrUn4gPvwPnZjJ4DObtHMfCe6p7P02XK3b8D0hlT7043P4CcPD6ENiWqyLZhm4koQ9OMLwnhnuKnF12TVr5gg8V9xHf+Y248UQ0KPUK2Nc83NNVtOxRzU5ciuLqtEVv1dR3211JUHn0NLpgj0eVVGEKdze99/g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hiykvDNx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hiykvDNx" Received: by smtp.kernel.org (Postfix) with ESMTPS id C412BC116C6; Wed, 28 Jan 2026 17:52:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769622744; bh=9zO5JxPpwU9Bq+Dt2g2d2UItDDZIf0gZvWrs+ZUdDhw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=hiykvDNxldM+g5njP6DmSkqdPxWIjzhfumJ+PelHlSQV+qDhVJzG9TX3vEA5nLWLN EXZDCm1GcYXrBo+6Ceu9p7sgG+eXYRkifHdxT0WvtcnyLHsTvUhLWDfwxPjG+pNoLE ylHX1Ub0QRuXGLAyj2er6Yrpkyw3h+nGle2ZnR+OREZSyE25//oh5xeecLxHeTYuki IdAa14y2PgqsW3QO5RgpoAMjkGZBE58R90v9HoD4mraWrWMUFV/5eejAmZo9bbk8r7 +z3TeY52Ja8boouSqkp+AfAH0ZKUpH3phVSrldAYndeNmewXqTi7pya7GU2/UHWGcs GTBr+Jk42wKHw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF003D46BE7; Wed, 28 Jan 2026 17:52:24 +0000 (UTC) From: Shrikant Raskar via B4 Relay Date: Wed, 28 Jan 2026 23:21:51 +0530 Subject: [PATCH v8 4/6] iio: proximity: rfd77402: Use devm-managed mutex initialization Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260128-b4-rfd77402_v5-v8-4-36388fe7b95e@gmail.com> References: <20260128-b4-rfd77402_v5-v8-0-36388fe7b95e@gmail.com> In-Reply-To: <20260128-b4-rfd77402_v5-v8-0-36388fe7b95e@gmail.com> To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko Cc: skhan@linuxfoundation.org, david.hunter.linux@gmail.com, raskar.shree97@gmail.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Andy Shevchenko X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1769622737; l=895; i=raskar.shree97@gmail.com; s=20260101; h=from:subject:message-id; bh=O017TADCPm7We8ptZ3sfVe3HpHsX8WgePZRWSMO2cOY=; b=BDB746hsNTKvMaKUHh50R26llf1uiTkn9d3kQXQVISuK+YL/nK+1gaTOcgE7Xioh52bSobqXq +/vhtIjm+hXDi5hfLaBA9rVRArNGU8oTE/vrWweYmm5uO08FmYc9pku X-Developer-Key: i=raskar.shree97@gmail.com; a=ed25519; pk=4m2wXDvY0vlXefvRRzawNcNAif88Cy4XvbLkU6iMG/Y= X-Endpoint-Received: by B4 Relay for raskar.shree97@gmail.com/20260101 with auth_id=589 X-Original-From: Shrikant Raskar Reply-To: raskar.shree97@gmail.com From: Shrikant Raskar Use devm_mutex_init() to tie the mutex lifetime to the device and improve debugging when CONFIG_DEBUG_MUTEXES is enabled. Reviewed-by: Andy Shevchenko Signed-off-by: Shrikant Raskar --- drivers/iio/proximity/rfd77402.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/iio/proximity/rfd77402.c b/drivers/iio/proximity/rfd77= 402.c index 6b23fb3bfe1d..a374a7389c33 100644 --- a/drivers/iio/proximity/rfd77402.c +++ b/drivers/iio/proximity/rfd77402.c @@ -283,7 +283,10 @@ static int rfd77402_probe(struct i2c_client *client) =20 data =3D iio_priv(indio_dev); data->client =3D client; - mutex_init(&data->lock); + + ret =3D devm_mutex_init(&client->dev, &data->lock); + if (ret) + return ret; =20 indio_dev->info =3D &rfd77402_info; indio_dev->channels =3D rfd77402_channels; --=20 2.43.0