Re: [PATCH v2 4/6] usb: roles: add API to get usb_role_switch by node

From: Heikki Krogerus
Date: Fri Mar 15 2019 - 05:11:36 EST


On Fri, Mar 15, 2019 at 10:18:35AM +0200, Heikki Krogerus wrote:
> Andy already pointed out that you need to use fwnodes.
>
> Rule of thumb: You always use fwnodes. Only if there is something that
> can't be done with fwnodes you use DT or ACPI nodes directly.
>
> In this case there is absolutely nothing that would prevent you from
> using fwnodes.

...

> +/**
> + * usb_role_switch_get_by_node - Find USB role switch by it's parent node
> + * @node: The node that register USB role switch
> + *
> + * Finds and returns role switch registered by @node. The reference count
> + * for the found switch is incremented.
> + */
> +struct usb_role_switch *usb_role_switch_get_by_node(struct device_node *node)

This is my proposal for function prototype:

struct usb_role_switch *
fwnode_usb_role_switch_get(struct fwnode_handle *fwnode);


thanks,

--
heikki