linux-kernel - [PATCH] ASoC: dwc: change to use devm_clk_get

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Message-Id: <20240822095249.1642713-1-bo.wu@vivo.com>
Date: Thu, 22 Aug 2024 03:52:49 -0600
From: Wu Bo <bo.wu@...o.com>
To: linux-kernel@...r.kernel.org
Cc: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Xingyu Wu <xingyu.wu@...rfivetech.com>,
	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
	Wu Bo <bo.wu@...o.com>,
	linux-sound@...r.kernel.org,
	Wu Bo <wubo.oduw@...il.com>
Subject: [PATCH] ASoC: dwc: change to use devm_clk_get_enabled() helpers

Make the code cleaner and avoid call clk_disable_unprepare()

Signed-off-by: Wu Bo <bo.wu@...o.com>
---
 sound/soc/dwc/dwc-i2s.c | 16 +++-------------
 1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c
index c04466f5492e..e6a5eebe5bc9 100644
--- a/sound/soc/dwc/dwc-i2s.c
+++ b/sound/soc/dwc/dwc-i2s.c
@@ -995,16 +995,12 @@ static int dw_i2s_probe(struct platform_device *pdev)
 				goto err_assert_reset;
 			}
 		}
-		dev->clk = devm_clk_get(&pdev->dev, clk_id);
+		dev->clk = devm_clk_get_enabled(&pdev->dev, clk_id);
 
 		if (IS_ERR(dev->clk)) {
 			ret = PTR_ERR(dev->clk);
 			goto err_assert_reset;
 		}
-
-		ret = clk_prepare_enable(dev->clk);
-		if (ret < 0)
-			goto err_assert_reset;
 	}
 
 	dev_set_drvdata(&pdev->dev, dev);
@@ -1012,7 +1008,7 @@ static int dw_i2s_probe(struct platform_device *pdev)
 					 dw_i2s_dai, 1);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "not able to register dai\n");
-		goto err_clk_disable;
+		goto err_assert_reset;
 	}
 
 	if (!pdata || dev->is_jh7110) {
@@ -1030,16 +1026,13 @@ static int dw_i2s_probe(struct platform_device *pdev)
 		if (ret) {
 			dev_err(&pdev->dev, "could not register pcm: %d\n",
 					ret);
-			goto err_clk_disable;
+			goto err_assert_reset;
 		}
 	}
 
 	pm_runtime_enable(&pdev->dev);
 	return 0;
 
-err_clk_disable:
-	if (dev->capability & DW_I2S_MASTER)
-		clk_disable_unprepare(dev->clk);
 err_assert_reset:
 	reset_control_assert(dev->reset);
 	return ret;
@@ -1049,9 +1042,6 @@ static void dw_i2s_remove(struct platform_device *pdev)
 {
 	struct dw_i2s_dev *dev = dev_get_drvdata(&pdev->dev);
 
-	if (dev->capability & DW_I2S_MASTER)
-		clk_disable_unprepare(dev->clk);
-
 	reset_control_assert(dev->reset);
 	pm_runtime_disable(&pdev->dev);
 }
-- 
2.25.1