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usb: roles: Add usb_role_switch_find_by_fwnode()

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Simple wrapper function that searches USB role switches with
class_find_device_by_fwnode().

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20191008122600.22340-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heikki Krogerus
2019-10-08 15:25:59 +03:00
committed by Greg Kroah-Hartman
parent 16c8373ecf
commit c6919d5e0c
2 changed files with 24 additions and 0 deletions
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3
include/linux/usb/role.h
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@@ -50,6 +50,9 @@ struct usb_role_switch *usb_role_switch_get(struct device *dev);
struct usb_role_switch *fwnode_usb_role_switch_get(struct fwnode_handle *node);
void usb_role_switch_put(struct usb_role_switch *sw);
struct usb_role_switch *
usb_role_switch_find_by_fwnode(const struct fwnode_handle *fwnode);
struct usb_role_switch *
usb_role_switch_register(struct device *parent,
const struct usb_role_switch_desc *desc);