Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756298Ab3C0F1v (ORCPT ); Wed, 27 Mar 2013 01:27:51 -0400 Received: from server.prisktech.co.nz ([115.188.14.127]:58063 "EHLO server.prisktech.co.nz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754744Ab3C0F1t (ORCPT ); Wed, 27 Mar 2013 01:27:49 -0400 From: Tony Prisk To: Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, stern@rowland.harvard.edu, Tony Prisk Subject: [PATCHv2] usb: ehci: unlink_empty_async_suspended() only used with CONFIG_PM Date: Wed, 27 Mar 2013 18:28:00 +1300 Message-Id: <1364362080-8489-1-git-send-email-linux@prisktech.co.nz> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1233 Lines: 41 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 Acked-by: Alan Stern --- v2: Tidy up blank line as requested by Alan Stern drivers/usb/host/ehci-q.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 23d1369..1ea4de1 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) { @@ -1328,6 +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 */ -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/