linux-kernel - [PATCH v1 3/3] clkdev: Simplify devm_clk_hw_register

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Message-Id: <20220623115719.52683-3-andriy.shevchenko@linux.intel.com>
Date:   Thu, 23 Jun 2022 14:57:19 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Stephen Boyd <sboyd@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Michael Turquette <mturquette@...libre.com>,
        Russell King <linux@...linux.org.uk>
Subject: [PATCH v1 3/3] clkdev: Simplify devm_clk_hw_register_clkdev() function

Use devm_add_action_or_reset() instead of devres_alloc() and
devres_add(), which works the same. This will simplify the
code. There is no functional changes.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/clk/clkdev.c | 24 ++++++++++--------------
 1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index 716bb1710b89..b5eed37dc71a 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -348,9 +348,9 @@ int clk_hw_register_clkdev(struct clk_hw *hw, const char *con_id,
 }
 EXPORT_SYMBOL(clk_hw_register_clkdev);
 
-static void devm_clkdev_release(struct device *dev, void *res)
+static void devm_clkdev_release(void *res)
 {
-	clkdev_drop(*(struct clk_lookup **)res);
+	clkdev_drop(res);
 }
 
 /**
@@ -371,17 +371,13 @@ static void devm_clkdev_release(struct device *dev, void *res)
 int devm_clk_hw_register_clkdev(struct device *dev, struct clk_hw *hw,
 				const char *con_id, const char *dev_id)
 {
-	int rval = -ENOMEM;
-	struct clk_lookup **cl;
-
-	cl = devres_alloc(devm_clkdev_release, sizeof(*cl), GFP_KERNEL);
-	if (cl) {
-		rval = do_clk_register_clkdev(hw, cl, con_id, dev_id);
-		if (!rval)
-			devres_add(dev, cl);
-		else
-			devres_free(cl);
-	}
-	return rval;
+	struct clk_lookup *cl;
+	int rval;
+
+	rval = do_clk_register_clkdev(hw, &cl, con_id, dev_id);
+	if (rval)
+		return rval;
+
+	return devm_add_action_or_reset(dev, devm_clkdev_release, cl);
 }
 EXPORT_SYMBOL(devm_clk_hw_register_clkdev);
-- 
2.35.1