From patchwork Thu Dec 19 22:55:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 13915924 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (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 68E731D79B1 for ; Thu, 19 Dec 2024 22:55:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734648953; cv=none; b=He6kBIHBu39s0PsoxfdjthvRhvXlOnI5xP5oBkvciKi0qbUtQINVgss+gCwfd1TzAkOPKC3Tb9sOuHZCWdipG0Ky6fdTfto2zmglm5FAIrI4Vf7TeRrPFc9IJ2Tmiivp3o3wvlnbODmy8mt2AcXMBHAiMzTYAf61ujIbEG4jW78= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734648953; c=relaxed/simple; bh=gyI/pmtnVSGA6mAS+7tY1CpMr4yyGYniXxBfcG831+4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QyTyoWe52IClCkw3jXhsnrJVYQOckFULQQwOnfvLF49NZoQ8SIVa2KubA4o66k9GPduaw4cEIegLuMp3CCsQ98riF/GdTWFXdYMEcGGxKztvSgogvWusWTZK6PSwZZykkkdk6lCkeDtZDJwoH9SIzXHcf3NB17CpSdX66D/a+wM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=geuvYBIy; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="geuvYBIy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; s=k1; bh=EFtXOkS8o7zBjJldP7Zsy3cjh6NMxH47TTmDvMf8sZ4=; b=geuvYB Iy/n9pgK9qbjoIO+OM3kLFH+Kba0C0W7cmoMJWmx7THp2DBC2XfRfZhjqS/U9k6I IjaX86AToVN7GGWPHfTDIgs51ZmFRTwYMWatbES9SCHkN4GBrhmP24fRrvknVoEI bJlGf4PpUa1z1+Sy1jGlrVUYcux9rbs9FfP8ZElnZBbIt5dLJGitUmha8p+kmvdK 9ESQyDpiZnP/jvBsKre0z/64SCMQ/sSFV9aRRwb4a3LP7SOmcfNgD48Kqdbg3wbQ s+vtuCrLSxfxEnv3pKoEa+KRq94A0w0gGfZwRNQf+ITZSqaEahtYMXaTzO+t6Xik vim0HGR82PtvDwkA== Received: (qmail 826623 invoked from network); 19 Dec 2024 23:55:49 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 19 Dec 2024 23:55:49 +0100 X-UD-Smtp-Session: l3s3148p1@2cpubqcpBKkujnsY From: Wolfram Sang To: linux-renesas-soc@vger.kernel.org Cc: Wolfram Sang , Jean Delvare , Guenter Roeck , linux-hwmon@vger.kernel.org Subject: [RFC PATCH 2/5] hwmon: (lm75) simplify regulator handling Date: Thu, 19 Dec 2024 23:55:24 +0100 Message-ID: <20241219225522.3490-9-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241219225522.3490-7-wsa+renesas@sang-engineering.com> References: <20241219225522.3490-7-wsa+renesas@sang-engineering.com> Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 devm_regulator_get_enable() was introduced exactly to avoid open coding regulator handling like in this driver. Make use of this helper. Signed-off-by: Wolfram Sang Reviewed-by: Geert Uytterhoeven --- drivers/hwmon/lm75.c | 25 +++---------------------- 1 file changed, 3 insertions(+), 22 deletions(-) diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index b03e760cf3a1..4d0fd1c93c63 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -109,7 +109,6 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c, struct lm75_data { struct i2c_client *client; struct regmap *regmap; - struct regulator *vs; u16 orig_conf; u8 resolution; /* In bits, 9 to 16 */ unsigned int sample_time; /* In ms */ @@ -621,13 +620,6 @@ static const struct regmap_bus lm75_i2c_regmap_bus = { .reg_write = lm75_i2c_reg_write, }; -static void lm75_disable_regulator(void *data) -{ - struct lm75_data *lm75 = data; - - regulator_disable(lm75->vs); -} - static void lm75_remove(void *data) { struct lm75_data *lm75 = data; @@ -656,9 +648,9 @@ static int lm75_probe(struct i2c_client *client) data->client = client; data->kind = (uintptr_t)i2c_get_match_data(client); - data->vs = devm_regulator_get(dev, "vs"); - if (IS_ERR(data->vs)) - return PTR_ERR(data->vs); + err = devm_regulator_get_enable(dev, "vs"); + if (err) + return err; data->regmap = devm_regmap_init(dev, &lm75_i2c_regmap_bus, data, &lm75_regmap_config); @@ -675,17 +667,6 @@ static int lm75_probe(struct i2c_client *client) data->sample_time = data->params->default_sample_time; data->resolution = data->params->default_resolution; - /* Enable the power */ - err = regulator_enable(data->vs); - if (err) { - dev_err(dev, "failed to enable regulator: %d\n", err); - return err; - } - - err = devm_add_action_or_reset(dev, lm75_disable_regulator, data); - if (err) - return err; - /* Cache original configuration */ err = regmap_read(data->regmap, LM75_REG_CONF, &status); if (err)