Re: [PATCH v3 8/9] usb: typec: Remove the callback members from struct typec_capability

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On Tue, Oct 08, 2019 at 02:13:49PM +0300, Heikki Krogerus wrote:
> There are no more users for them.
> 
> Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
>  drivers/usb/typec/class.c | 40 +++++++++++----------------------------
>  include/linux/usb/typec.h | 17 -----------------
>  2 files changed, 11 insertions(+), 46 deletions(-)
> 
> diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
> index 11ed3dc6fc49..3e9fa2530b86 100644
> --- a/drivers/usb/typec/class.c
> +++ b/drivers/usb/typec/class.c
> @@ -52,7 +52,6 @@ struct typec_port {
>  	struct typec_switch		*sw;
>  	struct typec_mux		*mux;
>  
> -	const struct typec_capability	*orig_cap; /* to be removed */
>  	const struct typec_capability	*cap;
>  	const struct typec_operations   *ops;
>  };
> @@ -957,7 +956,7 @@ preferred_role_store(struct device *dev, struct device_attribute *attr,
>  		return -EOPNOTSUPP;
>  	}
>  
> -	if (!port->cap->try_role && (!port->ops || !port->ops->try_role)) {
> +	if (!port->ops || !port->ops->try_role) {
>  		dev_dbg(dev, "Setting preferred role not supported\n");
>  		return -EOPNOTSUPP;
>  	}
> @@ -970,10 +969,7 @@ preferred_role_store(struct device *dev, struct device_attribute *attr,
>  			return -EINVAL;
>  	}
>  
> -	if (port->ops && port->ops->try_role)
> -		ret = port->ops->try_role(port, role);
> -	else
> -		ret = port->cap->try_role(port->orig_cap, role);
> +	ret = port->ops->try_role(port, role);
>  	if (ret)
>  		return ret;
>  
> @@ -1004,7 +1000,7 @@ static ssize_t data_role_store(struct device *dev,
>  	struct typec_port *port = to_typec_port(dev);
>  	int ret;
>  
> -	if (!port->cap->dr_set && (!port->ops || !port->ops->dr_set)) {
> +	if (!port->ops || !port->ops->dr_set) {
>  		dev_dbg(dev, "data role swapping not supported\n");
>  		return -EOPNOTSUPP;
>  	}
> @@ -1019,10 +1015,7 @@ static ssize_t data_role_store(struct device *dev,
>  		goto unlock_and_ret;
>  	}
>  
> -	if (port->ops && port->ops->dr_set)
> -		ret = port->ops->dr_set(port, ret);
> -	else
> -		ret = port->cap->dr_set(port->orig_cap, ret);
> +	ret = port->ops->dr_set(port, ret);
>  	if (ret)
>  		goto unlock_and_ret;
>  
> @@ -1057,7 +1050,7 @@ static ssize_t power_role_store(struct device *dev,
>  		return -EOPNOTSUPP;
>  	}
>  
> -	if (!port->cap->pr_set && (!port->ops || !port->ops->pr_set)) {
> +	if (!port->ops || !port->ops->pr_set) {
>  		dev_dbg(dev, "power role swapping not supported\n");
>  		return -EOPNOTSUPP;
>  	}
> @@ -1079,10 +1072,7 @@ static ssize_t power_role_store(struct device *dev,
>  		goto unlock_and_ret;
>  	}
>  
> -	if (port->ops && port->ops->dr_set)
> -		ret = port->ops->pr_set(port, ret);
> -	else
> -		ret = port->cap->pr_set(port->orig_cap, ret);
> +	ret = port->ops->pr_set(port, ret);
>  	if (ret)
>  		goto unlock_and_ret;
>  
> @@ -1113,8 +1103,8 @@ port_type_store(struct device *dev, struct device_attribute *attr,
>  	int ret;
>  	enum typec_port_type type;
>  
> -	if (port->cap->type != TYPEC_PORT_DRP || (!port->cap->port_type_set &&
> -	    (!port->ops || !port->ops->port_type_set))) {
> +	if (port->cap->type != TYPEC_PORT_DRP ||
> +	    !port->ops || !port->ops->port_type_set) {
>  		dev_dbg(dev, "changing port type not supported\n");
>  		return -EOPNOTSUPP;
>  	}
> @@ -1131,10 +1121,7 @@ port_type_store(struct device *dev, struct device_attribute *attr,
>  		goto unlock_and_ret;
>  	}
>  
> -	if (port->ops && port->ops->port_type_set)
> -		ret = port->ops->port_type_set(port, type);
> -	else
> -		ret = port->cap->port_type_set(port->orig_cap, type);
> +	ret = port->ops->port_type_set(port, type);
>  	if (ret)
>  		goto unlock_and_ret;
>  
> @@ -1190,7 +1177,7 @@ static ssize_t vconn_source_store(struct device *dev,
>  		return -EOPNOTSUPP;
>  	}
>  
> -	if (!port->cap->vconn_set && (!port->ops || !port->ops->vconn_set)) {
> +	if (!port->ops || !port->ops->vconn_set) {
>  		dev_dbg(dev, "VCONN swapping not supported\n");
>  		return -EOPNOTSUPP;
>  	}
> @@ -1199,11 +1186,7 @@ static ssize_t vconn_source_store(struct device *dev,
>  	if (ret)
>  		return ret;
>  
> -	if (port->ops && port->ops->vconn_set)
> -		ret = port->ops->vconn_set(port, (enum typec_role)source);
> -	else
> -		ret = port->cap->vconn_set(port->orig_cap,
> -					   (enum typec_role)source);
> +	ret = port->ops->vconn_set(port, (enum typec_role)source);
>  	if (ret)
>  		return ret;
>  
> @@ -1610,7 +1593,6 @@ struct typec_port *typec_register_port(struct device *parent,
>  
>  	port->id = id;
>  	port->ops = cap->ops;
> -	port->orig_cap = cap;
>  	port->port_type = cap->type;
>  	port->prefer_role = cap->prefer_role;
>  	port->cap = kmemdup(cap, sizeof(*cap), GFP_KERNEL);
> diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h
> index c9bef128453b..894798084319 100644
> --- a/include/linux/usb/typec.h
> +++ b/include/linux/usb/typec.h
> @@ -198,11 +198,6 @@ struct typec_operations {
>   * @fwnode: Optional fwnode of the port
>   * @driver_data: Private pointer for driver specific info
>   * @ops: Port operations vector
> - * @try_role: Set data role preference for DRP port
> - * @dr_set: Set Data Role
> - * @pr_set: Set Power Role
> - * @vconn_set: Set VCONN Role
> - * @port_type_set: Set port type
>   *
>   * Static capabilities of a single USB Type-C port.
>   */
> @@ -220,18 +215,6 @@ struct typec_capability {
>  	void			*driver_data;
>  
>  	const struct typec_operations	*ops;
> -
> -	int		(*try_role)(const struct typec_capability *,
> -				    int role);
> -
> -	int		(*dr_set)(const struct typec_capability *,
> -				  enum typec_data_role);
> -	int		(*pr_set)(const struct typec_capability *,
> -				  enum typec_role);
> -	int		(*vconn_set)(const struct typec_capability *,
> -				     enum typec_role);
> -	int		(*port_type_set)(const struct typec_capability *,
> -					 enum typec_port_type);
>  };
>  
>  /* Specific to try_role(). Indicates the user want's to clear the preference. */
> -- 
> 2.23.0
> 



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