Re: [PATCH v3 08/10] iio: accel: mma8452: use pm_ptr() and direct runtime PM calls

[Andy Shevchenko]

On Tue, May 05, 2026 at 11:16:38PM +0530, Sanjay Chitroda wrote:

> Use pm_ptr() together with DEFINE_RUNTIME_DEV_PM_OPS() so the PM ops
> pointer is automatically handled when CONFIG_PM is enabled or disabled.
> 
> Switch to direct PM runtime calls and drop
> mma8452_set_runtime_pm_state() wrapper, which is no longer needed.
> This follows modern kernel power-management conventions.

...

> static int mma8452_data_rdy_trigger_set_state(struct iio_trigger *trig,

>  {
>  	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
>  	struct mma8452_data *data = iio_priv(indio_dev);
> +	struct device *dev = &data->client->dev;

> +

Stray blank line.

>  	int reg, ret;
>  
> -	ret = mma8452_set_runtime_pm_state(data->client, state);
> -	if (ret)
> +	if (state)
> +		ret = pm_runtime_resume_and_get(dev);
> +	else
> +		ret = pm_runtime_put_autosuspend(dev);

Hmm... Do we care about autosuspend returned value? What is its meaning?

> +	if (ret < 0)
>  		return ret;

...

> +static DEFINE_RUNTIME_DEV_PM_OPS(mma8452_pm_ops, mma8452_runtime_suspend,
> +				 mma8452_runtime_resume, NULL);

Use logical split

static DEFINE_RUNTIME_DEV_PM_OPS(mma8452_pm_ops,
				 mma8452_runtime_suspend, mma8452_runtime_resume, NULL);

OR

static DEFINE_RUNTIME_DEV_PM_OPS(mma8452_pm_ops,
				 mma8452_runtime_suspend,
				 mma8452_runtime_resume,
				 NULL);

-- 
With Best Regards,
Andy Shevchenko