On Wed, 27 Mar 2013, Tony Prisk wrote:
> 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@xxxxxxxxxxxxxxx>
> ---
> Fixed up the commit message.
> drivers/usb/host/ehci-q.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
> index 23d1369..3638b28 100644
> --- a/drivers/usb/host/ehci-q.c
> +++ b/drivers/usb/host/ehci-q.c
> @@ -1316,6 +1316,7 @@ 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)
> {
> @@ -1328,7 +1329,7 @@ static void unlink_empty_async_suspended(struct ehci_hcd *ehci)
> }
> start_iaa_cycle(ehci, false);
> }
> -
> +#endif
> /* makes sure the async qh will become idle */
> /* caller must own ehci->lock */
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
... except that the blank line before the comment in the hunk above
should be retained, not removed.
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