[PATCH v2 2/9] driver core: Add dev_set_drv_queue_sync_state()

[Danilo Krummrich]

On Fri Apr 10, 2026 at 12:40 PM CEST, Ulf Hansson wrote:
> diff --git a/include/linux/device.h b/include/linux/device.h
> index e65d564f01cd..f812e70bdf22 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -994,6 +994,18 @@ static inline int dev_set_drv_sync_state(struct device *dev,
>  	return 0;
>  }
>  
> +static inline int dev_set_drv_queue_sync_state(struct device *dev,
> +					       void (*fn)(struct device *dev))

As this is a public function, please add some documentation.

> +{
> +	if (!dev || !dev->driver)
> +		return 0;
> +	if (dev->driver->queue_sync_state && dev->driver->queue_sync_state != fn)
> +		return -EBUSY;
> +	if (!dev->driver->queue_sync_state)
> +		dev->driver->queue_sync_state = fn;

I think this follows dev_set_drv_sync_state(), but I think it is worth pointing
out that it is yet another blocker for moving towards
const struct device_driver.

> +	return 0;
> +}
> +
>  static inline void dev_set_removable(struct device *dev,
>  				     enum device_removable removable)
>  {
> -- 
> 2.43.0