From patchwork Wed Mar 11 15:11:33 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arend van Spriel X-Patchwork-Id: 5986361 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A2F349F399 for ; Wed, 11 Mar 2015 15:11:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CC05D20384 for ; Wed, 11 Mar 2015 15:11:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CBC5E20381 for ; Wed, 11 Mar 2015 15:11:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752370AbbCKPLr (ORCPT ); Wed, 11 Mar 2015 11:11:47 -0400 Received: from mail-gw3-out.broadcom.com ([216.31.210.64]:40184 "EHLO mail-gw3-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751549AbbCKPLj (ORCPT ); Wed, 11 Mar 2015 11:11:39 -0400 X-IronPort-AV: E=Sophos;i="5.11,382,1422950400"; d="scan'208";a="59016068" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw3-out.broadcom.com with ESMTP; 11 Mar 2015 08:12:23 -0700 Received: from IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.3.174.1; Wed, 11 Mar 2015 08:11:37 -0700 Received: from mail-sj1-12.sj.broadcom.com (10.10.10.20) by IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) with Microsoft SMTP Server id 14.3.174.1; Wed, 11 Mar 2015 08:11:37 -0700 Received: from lb-bun-235.bun.broadcom.com (lb-bun-235.bun.broadcom.com [10.176.8.235]) by mail-sj1-12.sj.broadcom.com (Postfix) with ESMTP id 5909C27A88; Wed, 11 Mar 2015 08:11:37 -0700 (PDT) Received: from arend by lb-bun-235.bun.broadcom.com with local (Exim 4.82) (envelope-from ) id 1YViIK-0003d6-9O; Wed, 11 Mar 2015 16:11:36 +0100 From: Arend van Spriel To: Kalle Valo CC: linux-wireless , Arend van Spriel Subject: [PATCH 7/7] brcmfmac: fix watchdog timer regression Date: Wed, 11 Mar 2015 16:11:33 +0100 Message-ID: <1426086693-13876-8-git-send-email-arend@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1426086693-13876-1-git-send-email-arend@broadcom.com> References: <1426086693-13876-1-git-send-email-arend@broadcom.com> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The watchdog timer is used to put the device in a low-power mode when it is idle for some time. This timer is stopped during that mode and should be restarted upon activity. This has been broken by commit d4150fced0365 ("brcmfmac: Simplify watchdog sleep."). This patch restores the behaviour as it was before that commit. Reported-by: Pontus Fuchs Reviewed-by: Hante Meuleman Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Arend van Spriel --- drivers/net/wireless/brcm80211/brcmfmac/sdio.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c index 5202e76..17a7212 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c @@ -972,7 +972,6 @@ static int brcmf_sdio_clkctl(struct brcmf_sdio *bus, uint target, bool pendok) brcmf_sdio_sdclk(bus, true); /* Now request HT Avail on the backplane */ brcmf_sdio_htclk(bus, true, pendok); - brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS); break; case CLK_SDONLY: @@ -984,7 +983,6 @@ static int brcmf_sdio_clkctl(struct brcmf_sdio *bus, uint target, bool pendok) else brcmf_err("request for %d -> %d\n", bus->clkstate, target); - brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS); break; case CLK_NONE: @@ -993,7 +991,6 @@ static int brcmf_sdio_clkctl(struct brcmf_sdio *bus, uint target, bool pendok) brcmf_sdio_htclk(bus, false, false); /* Now remove the SD clock */ brcmf_sdio_sdclk(bus, false); - brcmf_sdio_wd_timer(bus, 0); break; } #ifdef DEBUG @@ -1048,6 +1045,7 @@ end: brcmf_sdio_clkctl(bus, CLK_NONE, pendok); } else { brcmf_sdio_clkctl(bus, CLK_AVAIL, pendok); + brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS); } bus->sleeping = sleep; brcmf_dbg(SDIO, "new state %s\n", @@ -4242,6 +4240,7 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus) if (bus->ci) { if (bus->sdiodev->state != BRCMF_SDIOD_NOMEDIUM) { sdio_claim_host(bus->sdiodev->func[1]); + brcmf_sdio_wd_timer(bus, 0); brcmf_sdio_clkctl(bus, CLK_AVAIL, false); /* Leave the device in state where it is * 'passive'. This is done by resetting all