[PATCH v2 2/6] pwm: pxa: add optional reset control

Uwe Kleine-König ukleinek at kernel.org
Thu Apr 24 00:30:40 PDT 2025


Hello,

On Sun, Apr 20, 2025 at 03:02:47PM +0800, Guodong Xu wrote:
> @@ -49,10 +50,10 @@ MODULE_DEVICE_TABLE(platform, pwm_id_table);
>  #define PWMDCR_FD	(1 << 10)
>  
>  struct pxa_pwm_chip {
> -	struct device	*dev;
> -
> -	struct clk	*clk;
> -	void __iomem	*mmio_base;
> +	struct device		*dev;
> +	struct clk		*clk;
> +	void __iomem		*mmio_base;
> +	struct reset_control	*reset;

Changes like these are the reason I prefer to not align the member
names. Luckily reset is a write only variable and you can just drop this
hunk if you use a local variable for it in pwm_probe() below.

>  };
>  
>  static inline struct pxa_pwm_chip *to_pxa_pwm_chip(struct pwm_chip *chip)
> @@ -179,6 +180,11 @@ static int pwm_probe(struct platform_device *pdev)
>  	if (IS_ERR(pc->clk))
>  		return PTR_ERR(pc->clk);
>  
> +	pc->reset = devm_reset_control_get_optional_exclusive_deasserted(
> +			&pdev->dev, NULL);
> +	if (IS_ERR(pc->reset))
> +		return PTR_ERR(pc->reset);
> +
>  	chip->ops = &pxa_pwm_ops;
>  
>  	if (IS_ENABLED(CONFIG_OF))

Best regards
Uwe
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 488 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-riscv/attachments/20250424/9d82d426/attachment.sig>


More information about the linux-riscv mailing list