From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754480Ab1GIGC5 (ORCPT ); Sat, 9 Jul 2011 02:02:57 -0400 Received: from out5.smtp.messagingengine.com ([66.111.4.29]:49834 "EHLO out5.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752958Ab1GIGBd (ORCPT ); Sat, 9 Jul 2011 02:01:33 -0400 X-Sasl-enc: Ajxkwda95Eg8SyFBfi+VmuNrQEfOBjg8BRHqLzqcVbnK 1310191292 X-Mailbox-Line: From gregkh@clark.kroah.org Fri Jul 8 16:01:10 2011 Message-Id: <20110708230110.416719131@clark.kroah.org> User-Agent: quilt/0.48-16.4 Date: Fri, 08 Jul 2011 16:00:25 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Rajkumar Manoharan , "John W. Linville" Subject: [09/35] ath9k: Fix suspend/resume when no interface is UP In-Reply-To: <20110708230122.GA18807@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.33-longterm review patch. If anyone has any objections, please let us know. ------------------ From: Rajkumar Manoharan commit c31eb8e926835582cd186b33a7a864880a4c0c79 upstream. When no interface has been brought up, the chip's power state continued as AWAKE. So during resume, the chip never been powered up. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/ath/ath9k/pci.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -295,6 +295,12 @@ static int ath_pci_resume(struct pci_dev AR_GPIO_OUTPUT_MUX_AS_OUTPUT); ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1); + /* The device has to be moved to FULLSLEEP forcibly. + * Otherwise the chip never moved to full sleep, + * when no interface is up. + */ + ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP); + return 0; }