linux-kernel - [PATCH] hwmon: lan966x: Use the devm_clk_get

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Message-Id: <25f2ab4c61d4fc48e8200f8754bb446f2b89ea89.1688795527.git.christophe.jaillet@wanadoo.fr>
Date:   Sat,  8 Jul 2023 07:52:31 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-hwmon@...r.kernel.org
Subject: [PATCH] hwmon: lan966x: Use the devm_clk_get_enabled() helper function

Use the devm_clk_get_enabled() helper function instead of hand-writing it.
It saves some line of codes.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/hwmon/lan966x-hwmon.c | 24 +-----------------------
 1 file changed, 1 insertion(+), 23 deletions(-)

diff --git a/drivers/hwmon/lan966x-hwmon.c b/drivers/hwmon/lan966x-hwmon.c
index f8658359a098..7247c03e4f44 100644
--- a/drivers/hwmon/lan966x-hwmon.c
+++ b/drivers/hwmon/lan966x-hwmon.c
@@ -334,24 +334,6 @@ static struct regmap *lan966x_init_regmap(struct platform_device *pdev,
 	return devm_regmap_init_mmio(&pdev->dev, base, &regmap_config);
 }
 
-static void lan966x_clk_disable(void *data)
-{
-	struct lan966x_hwmon *hwmon = data;
-
-	clk_disable_unprepare(hwmon->clk);
-}
-
-static int lan966x_clk_enable(struct device *dev, struct lan966x_hwmon *hwmon)
-{
-	int ret;
-
-	ret = clk_prepare_enable(hwmon->clk);
-	if (ret)
-		return ret;
-
-	return devm_add_action_or_reset(dev, lan966x_clk_disable, hwmon);
-}
-
 static int lan966x_hwmon_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -363,15 +345,11 @@ static int lan966x_hwmon_probe(struct platform_device *pdev)
 	if (!hwmon)
 		return -ENOMEM;
 
-	hwmon->clk = devm_clk_get(dev, NULL);
+	hwmon->clk = devm_clk_get_enabled(dev, NULL);
 	if (IS_ERR(hwmon->clk))
 		return dev_err_probe(dev, PTR_ERR(hwmon->clk),
 				     "failed to get clock\n");
 
-	ret = lan966x_clk_enable(dev, hwmon);
-	if (ret)
-		return dev_err_probe(dev, ret, "failed to enable clock\n");
-
 	hwmon->clk_rate = clk_get_rate(hwmon->clk);
 
 	hwmon->regmap_pvt = lan966x_init_regmap(pdev, "pvt");
-- 
2.34.1