From patchwork Thu Feb 12 03:26:53 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fu, Zhonghui" X-Patchwork-Id: 5815831 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B7EFABF440 for ; Thu, 12 Feb 2015 03:27:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5FEBB20107 for ; Thu, 12 Feb 2015 03:27:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CDC8E2011D for ; Thu, 12 Feb 2015 03:27:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754758AbbBLD1A (ORCPT ); Wed, 11 Feb 2015 22:27:00 -0500 Received: from mga01.intel.com ([192.55.52.88]:26021 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754204AbbBLD1A (ORCPT ); Wed, 11 Feb 2015 22:27:00 -0500 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP; 11 Feb 2015 19:26:58 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,562,1418112000"; d="scan'208,223";a="684565719" Received: from yjchen-mobl1.ccr.corp.intel.com (HELO [10.255.30.172]) ([10.255.30.172]) by orsmga002.jf.intel.com with ESMTP; 11 Feb 2015 19:26:55 -0800 Message-ID: <54DC1D7D.5050407@linux.intel.com> Date: Thu, 12 Feb 2015 11:26:53 +0800 From: "Fu, Zhonghui" User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: Kalle Valo , brudley@broadcom.com, Arend van Spriel , Franky Lin , meuleman@broadcom.com, linville@tuxdriver.com, pieterpg@broadcom.com, hdegoede@redhat.com, wens@csie.org, linux-wireless@vger.kernel.org, brcm80211-dev-list@broadcom.com, netdev@vger.kernel.org, "linux-kernel@vger.kernel.org" Subject: [PATCH v3] brcmfmac: avoid duplicated suspend/resume operation 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 From a05d35ab334c20970c236fb971dae88810078c88 Mon Sep 17 00:00:00 2001 From: Fu Zhonghui Date: Thu, 12 Feb 2015 10:49:35 +0800 Subject: [PATCH v3] brcmfmac: avoid duplicated suspend/resume operation WiFi chip has 2 SDIO functions, and PM core will trigger twice suspend/resume operations for one WiFi chip to do the same things. This patch avoid this case. Acked-by: Arend van Spriel Signed-off-by: Fu Zhonghui --- Changes in v3: - Rebase to wireless-drivers-next/master branch drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c index 7944224..b8832a7 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c @@ -1117,9 +1117,13 @@ static int brcmf_ops_sdio_suspend(struct device *dev) struct brcmf_bus *bus_if; struct brcmf_sdio_dev *sdiodev; mmc_pm_flag_t sdio_flags; + struct sdio_func *func = dev_to_sdio_func(dev); brcmf_dbg(SDIO, "Enter\n"); + if (func->num == 2) + return 0; + bus_if = dev_get_drvdata(dev); sdiodev = bus_if->bus_priv.sdio; @@ -1148,9 +1152,16 @@ static int brcmf_ops_sdio_suspend(struct device *dev) static int brcmf_ops_sdio_resume(struct device *dev) { struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; + struct brcmf_sdio_dev *sdiodev; + struct sdio_func *func = dev_to_sdio_func(dev); brcmf_dbg(SDIO, "Enter\n"); + + if (func->num == 2) + return 0; + + sdiodev = bus_if->bus_priv.sdio; + if (sdiodev->pdata && sdiodev->pdata->oob_irq_supported) disable_irq_wake(sdiodev->pdata->oob_irq_nr); brcmf_sdio_wd_timer(sdiodev->bus, BRCMF_WD_POLL_MS);