linux-kernel - [PATCH 3/5] clk: fixed-factor: Use devm_of_clk_add

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Message-Id: <20181101144044.11495-4-ricardo.ribalda@gmail.com>
Date:   Thu,  1 Nov 2018 15:40:42 +0100
From:   Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:     Stephen Boyd <sboyd@...nel.org>, Alan Tull <atull@...nel.org>,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Subject: [PATCH 3/5] clk: fixed-factor: Use devm_of_clk_add_provider

Use devm_clk_add_provider. It will take care of clk un-registering.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
---
 drivers/clk/clk-fixed-factor.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c
index 7df6b5b1e7ee..876d76522475 100644
--- a/drivers/clk/clk-fixed-factor.c
+++ b/drivers/clk/clk-fixed-factor.c
@@ -148,7 +148,8 @@ static const struct of_device_id set_rate_parent_matches[] = {
 	{ /* Sentinel */ },
 };
 
-static struct clk *_of_fixed_factor_clk_setup(struct device_node *node)
+static struct clk *_of_fixed_factor_clk_setup(struct device *dev,
+					      struct device_node *node)
 {
 	struct clk *clk;
 	const char *clk_name = node->name;
@@ -187,7 +188,11 @@ static struct clk *_of_fixed_factor_clk_setup(struct device_node *node)
 		return clk;
 	}
 
-	ret = of_clk_add_provider(node, of_clk_src_simple_get, clk);
+	if (dev)
+		ret = devm_of_clk_add_provider(dev, of_clk_src_simple_get, clk);
+	else
+		ret = of_clk_add_provider(node, of_clk_src_simple_get, clk);
+
 	if (ret) {
 		clk_unregister(clk);
 		return ERR_PTR(ret);
@@ -201,7 +206,7 @@ static struct clk *_of_fixed_factor_clk_setup(struct device_node *node)
  */
 void __init of_fixed_factor_clk_setup(struct device_node *node)
 {
-	_of_fixed_factor_clk_setup(node);
+	_of_fixed_factor_clk_setup(NULL, node);
 }
 CLK_OF_DECLARE(fixed_factor_clk, "fixed-factor-clock",
 		of_fixed_factor_clk_setup);
@@ -210,7 +215,6 @@ static int of_fixed_factor_clk_remove(struct platform_device *pdev)
 {
 	struct clk *clk = platform_get_drvdata(pdev);
 
-	of_clk_del_provider(pdev->dev.of_node);
 	clk_unregister_fixed_factor(clk);
 
 	return 0;
@@ -224,7 +228,7 @@ static int of_fixed_factor_clk_probe(struct platform_device *pdev)
 	 * This function is not executed when of_fixed_factor_clk_setup
 	 * succeeded.
 	 */
-	clk = _of_fixed_factor_clk_setup(pdev->dev.of_node);
+	clk = _of_fixed_factor_clk_setup(&pdev->dev, pdev->dev.of_node);
 	if (IS_ERR(clk))
 		return PTR_ERR(clk);
 
-- 
2.19.1