[PATCH 3/3] ASoC: jz4770: Convert to devm_clk_get_enabled()

[Jihed Chaibi]

The clock is obtained with devm_clk_get() in the platform probe, then
manually enabled in the component probe and disabled in the component
remove without checking the return value of clk_prepare_enable().

Use devm_clk_get_enabled() instead, which combines the get, prepare and
enable operations into one call whose lifetime is tied to the device.
This removes the need for explicit enable/disable in the component
probe/remove callbacks, and ensures that clock enable failures are
propagated as errors rather than silently ignored.

Remove the now-unused struct clk pointer from struct jz_codec and drop
the empty component remove callback.

Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@xxxxxxxxx>
---
 sound/soc/codecs/jz4770.c | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/sound/soc/codecs/jz4770.c b/sound/soc/codecs/jz4770.c
index 6b86d47028d7..be1ecdcc737b 100644
--- a/sound/soc/codecs/jz4770.c
+++ b/sound/soc/codecs/jz4770.c
@@ -179,7 +179,6 @@ struct jz_codec {
 	struct device *dev;
 	struct regmap *regmap;
 	void __iomem *base;
-	struct clk *clk;
 };
 
 static int jz4770_codec_set_bias_level(struct snd_soc_component *codec,
@@ -634,25 +633,13 @@ static void jz4770_codec_codec_init_regs(struct snd_soc_component *codec)
 
 static int jz4770_codec_codec_probe(struct snd_soc_component *codec)
 {
-	struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec);
-
-	clk_prepare_enable(jz_codec->clk);
-
 	jz4770_codec_codec_init_regs(codec);
 
 	return 0;
 }
 
-static void jz4770_codec_codec_remove(struct snd_soc_component *codec)
-{
-	struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec);
-
-	clk_disable_unprepare(jz_codec->clk);
-}
-
 static const struct snd_soc_component_driver jz4770_codec_soc_codec_dev = {
 	.probe			= jz4770_codec_codec_probe,
-	.remove			= jz4770_codec_codec_remove,
 	.set_bias_level		= jz4770_codec_set_bias_level,
 	.controls		= jz4770_codec_snd_controls,
 	.num_controls		= ARRAY_SIZE(jz4770_codec_snd_controls),
@@ -865,6 +852,7 @@ static int jz4770_codec_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct jz_codec *codec;
+	struct clk *clk;
 	int ret;
 
 	codec = devm_kzalloc(dev, sizeof(*codec), GFP_KERNEL);
@@ -882,9 +870,9 @@ static int jz4770_codec_probe(struct platform_device *pdev)
 	if (IS_ERR(codec->regmap))
 		return PTR_ERR(codec->regmap);
 
-	codec->clk = devm_clk_get(dev, "aic");
-	if (IS_ERR(codec->clk))
-		return PTR_ERR(codec->clk);
+	clk = devm_clk_get_enabled(dev, "aic");
+	if (IS_ERR(clk))
+		return PTR_ERR(clk);
 
 	platform_set_drvdata(pdev, codec);
 
-- 
2.47.3