From patchwork Thu Jan 9 10:17:58 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kory Maincent X-Patchwork-Id: 13932294 X-Patchwork-Delegate: kuba@kernel.org Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) (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 7A3F52163A8; Thu, 9 Jan 2025 10:18:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.196 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736417938; cv=none; b=CFLocJkj2xMmR//Pfd5AGvkRiq34abobou49+9NmlduXTnzzKXsSrNHlHdJFvNZXqzZniT9g5HOyQD2nkLu1vxOFaKBG+YC2gMa4l1GQw7/u4WSV5ryqqByqJsYb4S5DW4CN2a4NkeB9oNCW/BpDa6TnD9W01dl9LbmP52Nwom8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736417938; c=relaxed/simple; bh=ZNOJWzG45K3PkGpWZb3B1v809ET4LGuEapuaErb7AFI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=BUj+xQ/nYQArhXPj+Aqca5IEZHdWpEMfo6X4Ug+qK4tDaJLad8W27Q9kyO8ECBq9PfY9w+q4qMcLh2Itm6Ymbxd9ol6yWkpBgJNOx8d1TidVp9E2LuKv9VucyHs4wE4dzoir4M+6xJgb4x7UMMEpMgQPpOny+J2NR57pmpY/2sI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=dUEWTALZ; arc=none smtp.client-ip=217.70.183.196 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="dUEWTALZ" Received: by mail.gandi.net (Postfix) with ESMTPSA id 6DD9AE0002; Thu, 9 Jan 2025 10:18:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1736417928; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=0Vn1YDTOSEvolzDDe1a94IM3ahhU/7Y1fvtCiu8SO9M=; b=dUEWTALZr771eG+rS0WXijecTMXNzDA2nw/7whpXowgKA+8be5d86/wctD9uL0Jupps6i0 cAcy/bRn4FCTci1aZMoMYfbKkKNDyknJhQ8hqsdHYgZFdUGBS2VN39yXPrdJDHzS3Iybbk Gpb9SMDFuMPfa1LN2A6T8TnvtGCmXLcV0YktR/QxFNHoWK2baMukXX3Mu4VPxmE24k0L1W DesQP+h4xnUZ6FjpDE28/PuqDFPAT8UWATr7gLqnTDjlGVpvAqC69k2UYq9WKJ1gNyyOBg 0pOfdU1rc68s3J8Al8wO/BmSQFrSyWiyFJw8jA/enLqh13diwzsGLHlzcN6tcg== From: Kory Maincent Date: Thu, 09 Jan 2025 11:17:58 +0100 Subject: [PATCH net-next v2 04/15] net: pse-pd: tps23881: Simplify function returns by removing redundant checks Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250109-b4-feature_poe_arrange-v2-4-55ded947b510@bootlin.com> References: <20250109-b4-feature_poe_arrange-v2-0-55ded947b510@bootlin.com> In-Reply-To: <20250109-b4-feature_poe_arrange-v2-0-55ded947b510@bootlin.com> To: Oleksij Rempel , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Donald Hunter , Jonathan Corbet , Liam Girdwood , Mark Brown Cc: Thomas Petazzoni , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-doc@vger.kernel.org, Kyle Swenson , Dent Project , kernel@pengutronix.de, Maxime Chevallier , Kory Maincent , Andrew Lunn X-Mailer: b4 0.15-dev-8cb71 X-GND-Sasl: kory.maincent@bootlin.com X-Patchwork-Delegate: kuba@kernel.org From: Kory Maincent (Dent Project) Cleaned up several functions in tps23881 by removing redundant checks on return values at the end of functions. These check has been removed, and the return statement now directly returns the function result, reducing the code's complexity and making it more concise. Reviewed-by: Andrew Lunn Acked-by: Oleksij Rempel Reviewed-by: Kyle Swenson Signed-off-by: Kory Maincent --- drivers/net/pse-pd/tps23881.c | 34 ++++++---------------------------- 1 file changed, 6 insertions(+), 28 deletions(-) diff --git a/drivers/net/pse-pd/tps23881.c b/drivers/net/pse-pd/tps23881.c index 8797ca1a8a21..a3507520ff87 100644 --- a/drivers/net/pse-pd/tps23881.c +++ b/drivers/net/pse-pd/tps23881.c @@ -59,7 +59,6 @@ static int tps23881_pi_enable(struct pse_controller_dev *pcdev, int id) struct i2c_client *client = priv->client; u8 chan; u16 val; - int ret; if (id >= TPS23881_MAX_CHANS) return -ERANGE; @@ -78,11 +77,7 @@ static int tps23881_pi_enable(struct pse_controller_dev *pcdev, int id) val |= BIT(chan + 4); } - ret = i2c_smbus_write_word_data(client, TPS23881_REG_PW_EN, val); - if (ret) - return ret; - - return 0; + return i2c_smbus_write_word_data(client, TPS23881_REG_PW_EN, val); } static int tps23881_pi_disable(struct pse_controller_dev *pcdev, int id) @@ -91,7 +86,6 @@ static int tps23881_pi_disable(struct pse_controller_dev *pcdev, int id) struct i2c_client *client = priv->client; u8 chan; u16 val; - int ret; if (id >= TPS23881_MAX_CHANS) return -ERANGE; @@ -110,11 +104,7 @@ static int tps23881_pi_disable(struct pse_controller_dev *pcdev, int id) val |= BIT(chan + 8); } - ret = i2c_smbus_write_word_data(client, TPS23881_REG_PW_EN, val); - if (ret) - return ret; - - return 0; + return i2c_smbus_write_word_data(client, TPS23881_REG_PW_EN, val); } static int tps23881_pi_is_enabled(struct pse_controller_dev *pcdev, int id) @@ -480,7 +470,7 @@ tps23881_write_port_matrix(struct tps23881_priv *priv, struct i2c_client *client = priv->client; u8 pi_id, lgcl_chan, hw_chan; u16 val = 0; - int i, ret; + int i; for (i = 0; i < port_cnt; i++) { pi_id = port_matrix[i].pi_id; @@ -511,11 +501,7 @@ tps23881_write_port_matrix(struct tps23881_priv *priv, } /* Write hardware ports matrix */ - ret = i2c_smbus_write_word_data(client, TPS23881_REG_PORT_MAP, val); - if (ret) - return ret; - - return 0; + return i2c_smbus_write_word_data(client, TPS23881_REG_PORT_MAP, val); } static int @@ -564,11 +550,7 @@ tps23881_set_ports_conf(struct tps23881_priv *priv, val |= BIT(port_matrix[i].lgcl_chan[1]) | BIT(port_matrix[i].lgcl_chan[1] + 4); } - ret = i2c_smbus_write_word_data(client, TPS23881_REG_DET_CLA_EN, val); - if (ret) - return ret; - - return 0; + return i2c_smbus_write_word_data(client, TPS23881_REG_DET_CLA_EN, val); } static int @@ -594,11 +576,7 @@ tps23881_set_ports_matrix(struct tps23881_priv *priv, if (ret) return ret; - ret = tps23881_set_ports_conf(priv, port_matrix); - if (ret) - return ret; - - return 0; + return tps23881_set_ports_conf(priv, port_matrix); } static int tps23881_setup_pi_matrix(struct pse_controller_dev *pcdev)