This is a note to let you know that I've just added the patch titled usb: roles: fix include/linux/usb/role.h compile issue to the 5.16-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-roles-fix-include-linux-usb-role.h-compile-issue.patch and it can be found in the queue-5.16 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 81f55976e9ea9db03d5cd88c7f79841217a3577e Author: Linyu Yuan <quic_linyyuan@xxxxxxxxxxx> Date: Mon Jan 10 20:43:28 2022 +0800 usb: roles: fix include/linux/usb/role.h compile issue [ Upstream commit 945c37ed564770c78dfe6b9f08bed57a1b4e60ef ] when CONFIG_USB_ROLE_SWITCH is not defined, add usb_role_switch_find_by_fwnode() definition which return NULL. Fixes: c6919d5e0cd1 ("usb: roles: Add usb_role_switch_find_by_fwnode()") Signed-off-by: Linyu Yuan <quic_linyyuan@xxxxxxxxxxx> Link: https://lore.kernel.org/r/1641818608-25039-1-git-send-email-quic_linyyuan@xxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/include/linux/usb/role.h b/include/linux/usb/role.h index 031f148ab3734..b5deafd91f67b 100644 --- a/include/linux/usb/role.h +++ b/include/linux/usb/role.h @@ -91,6 +91,12 @@ fwnode_usb_role_switch_get(struct fwnode_handle *node) static inline void usb_role_switch_put(struct usb_role_switch *sw) { } +static inline struct usb_role_switch * +usb_role_switch_find_by_fwnode(const struct fwnode_handle *fwnode) +{ + return NULL; +} + static inline struct usb_role_switch * usb_role_switch_register(struct device *parent, const struct usb_role_switch_desc *desc)