linux-kernel - [PATCH v3 6/7] rtc:rtc-tegra:Use devm_clk_get

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Message-Id: <20240829121455.16854-7-liaoyuanhong@vivo.com>
Date: Thu, 29 Aug 2024 20:14:54 +0800
From: Liao Yuanhong <liaoyuanhong@...o.com>
To: alexandre.belloni@...tlin.com
Cc: linux-rtc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Liao Yuanhong <liaoyuanhong@...o.com>
Subject: [PATCH v3 6/7] rtc:rtc-tegra:Use devm_clk_get_enabled() helpers

Use devm_clk_get_enabled() instead of clk functions in rtc-tegra.

Signed-off-by: Liao Yuanhong <liaoyuanhong@...o.com>
---
 drivers/rtc/rtc-tegra.c | 22 +++-------------------
 1 file changed, 3 insertions(+), 19 deletions(-)

diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c
index 441e0a66b215..28db5b8cabdb 100644
--- a/drivers/rtc/rtc-tegra.c
+++ b/drivers/rtc/rtc-tegra.c
@@ -300,14 +300,10 @@ static int tegra_rtc_probe(struct platform_device *pdev)
 	info->rtc->ops = &tegra_rtc_ops;
 	info->rtc->range_max = U32_MAX;
 
-	info->clk = devm_clk_get(&pdev->dev, NULL);
+	info->clk = devm_clk_get_enabled(&pdev->dev, NULL);
 	if (IS_ERR(info->clk))
 		return PTR_ERR(info->clk);
 
-	ret = clk_prepare_enable(info->clk);
-	if (ret < 0)
-		return ret;
-
 	/* set context info */
 	info->pdev = pdev;
 	spin_lock_init(&info->lock);
@@ -326,27 +322,16 @@ static int tegra_rtc_probe(struct platform_device *pdev)
 			       &pdev->dev);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to request interrupt: %d\n", ret);
-		goto disable_clk;
+		return ret;
 	}
 
 	ret = devm_rtc_register_device(info->rtc);
 	if (ret)
-		goto disable_clk;
+		return ret;
 
 	dev_notice(&pdev->dev, "Tegra internal Real Time Clock\n");
 
 	return 0;
-
-disable_clk:
-	clk_disable_unprepare(info->clk);
-	return ret;
-}
-
-static void tegra_rtc_remove(struct platform_device *pdev)
-{
-	struct tegra_rtc_info *info = platform_get_drvdata(pdev);
-
-	clk_disable_unprepare(info->clk);
 }
 
 #ifdef CONFIG_PM_SLEEP
@@ -399,7 +384,6 @@ static void tegra_rtc_shutdown(struct platform_device *pdev)
 
 static struct platform_driver tegra_rtc_driver = {
 	.probe = tegra_rtc_probe,
-	.remove_new = tegra_rtc_remove,
 	.shutdown = tegra_rtc_shutdown,
 	.driver = {
 		.name = "tegra_rtc",
-- 
2.25.1