Commit 4d053fda authored Mar 27, 2013 by Tony Prisk Committed by Greg Kroah-Hartman Mar 28, 2013

usb: ehci: unlink_empty_async_suspended() only used with CONFIG_PM



Compiling with !CONFIG_PM generates an unused function warning on
unlink_empty_async_suspended().

Enclose the function in a #ifdef CONFIG_PM

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent ab1f046a

drivers/usb/host/ehci-q.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1293,6 +1293,7 @@ static void unlink_empty_async(struct ehci_hcd *ehci)
		}
		}

		#ifdef CONFIG_PM
		/* The root hub is suspended; unlink all the async QHs */
		static void unlink_empty_async_suspended(struct ehci_hcd *ehci)
		{
		@@ -1305,6 +1306,7 @@ static void unlink_empty_async_suspended(struct ehci_hcd *ehci)
		}
		start_iaa_cycle(ehci);
		}
		#endif

		/* makes sure the async qh will become idle */
		/* caller must own ehci->lock */