diff mbox series

[v2,2/2] ASoC: meson: t9015: fix function pointer type mismatch

Message ID 20240213215807.3326688-3-jbrunet@baylibre.com (mailing list archive)
State Accepted
Commit 5ad992c71b6a8e8a547954addc7af9fbde6ca10a
Headers show
Series ASoC: meson: aiu: fix function pointer type mismatch | expand

Commit Message

Jerome Brunet Feb. 13, 2024, 9:58 p.m. UTC
clang-16 warns about casting functions to incompatible types, as is done
here to call clk_disable_unprepare:

sound/soc/meson/t9015.c:274:4: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
  274 |                         (void(*)(void *))clk_disable_unprepare,

The pattern of getting, enabling and setting a disable callback for a
clock can be replaced with devm_clk_get_enabled(), which also fixes
this warning.

Fixes: 33901f5b9b16 ("ASoC: meson: add t9015 internal DAC driver")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
 sound/soc/meson/t9015.c | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

Comments

Justin Stitt Feb. 14, 2024, 12:27 a.m. UTC | #1
Hi,

On Tue, Feb 13, 2024 at 10:58:04PM +0100, Jerome Brunet wrote:
> clang-16 warns about casting functions to incompatible types, as is done
> here to call clk_disable_unprepare:
>
> sound/soc/meson/t9015.c:274:4: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
>   274 |                         (void(*)(void *))clk_disable_unprepare,
>
> The pattern of getting, enabling and setting a disable callback for a
> clock can be replaced with devm_clk_get_enabled(), which also fixes
> this warning.
>
> Fixes: 33901f5b9b16 ("ASoC: meson: add t9015 internal DAC driver")
> Reported-by: Arnd Bergmann <arnd@arndb.de>
> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>

Reviewed-by: Justin Stitt <justinstitt@google.com>
> ---
>  sound/soc/meson/t9015.c | 20 ++++----------------
>  1 file changed, 4 insertions(+), 16 deletions(-)
>
> diff --git a/sound/soc/meson/t9015.c b/sound/soc/meson/t9015.c
> index 9c6b4dac6893..571f65788c59 100644
> --- a/sound/soc/meson/t9015.c
> +++ b/sound/soc/meson/t9015.c
> @@ -48,7 +48,6 @@
>  #define POWER_CFG	0x10
>
>  struct t9015 {
> -	struct clk *pclk;
>  	struct regulator *avdd;
>  };
>
> @@ -249,6 +248,7 @@ static int t9015_probe(struct platform_device *pdev)
>  	struct t9015 *priv;
>  	void __iomem *regs;
>  	struct regmap *regmap;
> +	struct clk *pclk;
>  	int ret;
>
>  	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
> @@ -256,26 +256,14 @@ static int t9015_probe(struct platform_device *pdev)
>  		return -ENOMEM;
>  	platform_set_drvdata(pdev, priv);
>
> -	priv->pclk = devm_clk_get(dev, "pclk");
> -	if (IS_ERR(priv->pclk))
> -		return dev_err_probe(dev, PTR_ERR(priv->pclk), "failed to get core clock\n");
> +	pclk = devm_clk_get_enabled(dev, "pclk");
> +	if (IS_ERR(pclk))
> +		return dev_err_probe(dev, PTR_ERR(pclk), "failed to get core clock\n");
>
>  	priv->avdd = devm_regulator_get(dev, "AVDD");
>  	if (IS_ERR(priv->avdd))
>  		return dev_err_probe(dev, PTR_ERR(priv->avdd), "failed to AVDD\n");
>
> -	ret = clk_prepare_enable(priv->pclk);
> -	if (ret) {
> -		dev_err(dev, "core clock enable failed\n");
> -		return ret;
> -	}
> -
> -	ret = devm_add_action_or_reset(dev,
> -			(void(*)(void *))clk_disable_unprepare,
> -			priv->pclk);
> -	if (ret)
> -		return ret;
> -
>  	ret = device_reset(dev);
>  	if (ret) {
>  		dev_err(dev, "reset failed\n");
> --
> 2.43.0
>
Thanks
Justin
diff mbox series

Patch

diff --git a/sound/soc/meson/t9015.c b/sound/soc/meson/t9015.c
index 9c6b4dac6893..571f65788c59 100644
--- a/sound/soc/meson/t9015.c
+++ b/sound/soc/meson/t9015.c
@@ -48,7 +48,6 @@ 
 #define POWER_CFG	0x10
 
 struct t9015 {
-	struct clk *pclk;
 	struct regulator *avdd;
 };
 
@@ -249,6 +248,7 @@  static int t9015_probe(struct platform_device *pdev)
 	struct t9015 *priv;
 	void __iomem *regs;
 	struct regmap *regmap;
+	struct clk *pclk;
 	int ret;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -256,26 +256,14 @@  static int t9015_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	platform_set_drvdata(pdev, priv);
 
-	priv->pclk = devm_clk_get(dev, "pclk");
-	if (IS_ERR(priv->pclk))
-		return dev_err_probe(dev, PTR_ERR(priv->pclk), "failed to get core clock\n");
+	pclk = devm_clk_get_enabled(dev, "pclk");
+	if (IS_ERR(pclk))
+		return dev_err_probe(dev, PTR_ERR(pclk), "failed to get core clock\n");
 
 	priv->avdd = devm_regulator_get(dev, "AVDD");
 	if (IS_ERR(priv->avdd))
 		return dev_err_probe(dev, PTR_ERR(priv->avdd), "failed to AVDD\n");
 
-	ret = clk_prepare_enable(priv->pclk);
-	if (ret) {
-		dev_err(dev, "core clock enable failed\n");
-		return ret;
-	}
-
-	ret = devm_add_action_or_reset(dev,
-			(void(*)(void *))clk_disable_unprepare,
-			priv->pclk);
-	if (ret)
-		return ret;
-
 	ret = device_reset(dev);
 	if (ret) {
 		dev_err(dev, "reset failed\n");