From: Arnd Bergmann arnd@arndb.de
[ Upstream commit 8e6bd945e6dde64fbc60ec3fe252164493a8d3a2 ]
The declaration is in an #ifdef, which causes warnings when building with 'make W=1' and without CONFIG_PM:
drivers/usb/core/devio.c:742:6: error: no previous prototype for 'usbfs_notify_suspend' drivers/usb/core/devio.c:747:6: error: no previous prototype for 'usbfs_notify_resume'
Use the same #ifdef check around the function definitions to avoid the warnings and slightly shrink the USB core.
Fixes: 7794f486ed0b ("usbfs: Add ioctls for runtime power management") Signed-off-by: Arnd Bergmann arnd@arndb.de Reviewed-by: Sebastian Reichel sebastian.reichel@collabora.com Acked-by: Alan Stern stern@rowland.harvard.edu Link: https://lore.kernel.org/r/20230516202103.558301-1-arnd@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/core/devio.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index fcf68818e9992..cbad2af5fd882 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -746,6 +746,7 @@ static int driver_resume(struct usb_interface *intf) return 0; }
+#ifdef CONFIG_PM /* The following routines apply to the entire device, not interfaces */ void usbfs_notify_suspend(struct usb_device *udev) { @@ -764,6 +765,7 @@ void usbfs_notify_resume(struct usb_device *udev) } mutex_unlock(&usbfs_mutex); } +#endif
struct usb_driver usbfs_driver = { .name = "usbfs",