From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8510C433E1 for ; Mon, 17 Aug 2020 18:25:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8D1522053B for ; Mon, 17 Aug 2020 18:25:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597688755; bh=lKuZlK3cGDBnz/UmpJbdWU1Dq2Z9F6gf9uSTeiD+aeU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lENv8H6MFmNgOC8zu5xvt53Gai1cNxDEwR/4AYjjpk9khvE1apZRlfypR/1+FpT0J 4lpFJcOsiFPlya8cTiL/6lUHXiIiU+g7lpNVY0G2wAm9uDg+Kev7ps+y85OWdLF6/Q TGEihFVSw4pjRkxwmUrLF1zghY6UWLl2WKZIsVBk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390904AbgHQSZt (ORCPT ); Mon, 17 Aug 2020 14:25:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:50112 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387633AbgHQQCi (ORCPT ); Mon, 17 Aug 2020 12:02:38 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7686420748; Mon, 17 Aug 2020 16:02:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597680158; bh=lKuZlK3cGDBnz/UmpJbdWU1Dq2Z9F6gf9uSTeiD+aeU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pnErmxzhPMp2CRl4IWjQP2CUqOx2JviUxTZ/tvcytRSlsoZ9NTUdwFTqYC3bNaBzq a3fcqKQNidAxlVg3nFF1HT3s6jDBGCky6aGobpoQB1LQlgVEtWWzXXB0djn+OEoP/o VQcaY9Cxw2GffEjv+5pR0i93Q6pwKXUQpQn7Tr1I= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wright Feng , Chi-hsien Lin , Kalle Valo , Sasha Levin Subject: [PATCH 5.4 075/270] brcmfmac: keep SDIO watchdog running when console_interval is non-zero Date: Mon, 17 Aug 2020 17:14:36 +0200 Message-Id: <20200817143759.491435223@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200817143755.807583758@linuxfoundation.org> References: <20200817143755.807583758@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Wright Feng [ Upstream commit eccbf46b15bb3e35d004148f7c3a8fa8e9b26c1e ] brcmfmac host driver makes SDIO bus sleep and stops SDIO watchdog if no pending event or data. As a result, host driver does not poll firmware console buffer before buffer overflow, which leads to missing firmware logs. We should not stop SDIO watchdog if console_interval is non-zero in debug build. Signed-off-by: Wright Feng Signed-off-by: Chi-hsien Lin Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20200604071835.3842-4-wright.feng@cypress.com Signed-off-by: Sasha Levin --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index d43247a95ce53..38e6809f16c75 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -3685,7 +3685,11 @@ static void brcmf_sdio_bus_watchdog(struct brcmf_sdio *bus) if (bus->idlecount > bus->idletime) { brcmf_dbg(SDIO, "idle\n"); sdio_claim_host(bus->sdiodev->func1); - brcmf_sdio_wd_timer(bus, false); +#ifdef DEBUG + if (!BRCMF_FWCON_ON() || + bus->console_interval == 0) +#endif + brcmf_sdio_wd_timer(bus, false); bus->idlecount = 0; brcmf_sdio_bus_sleep(bus, true, false); sdio_release_host(bus->sdiodev->func1); -- 2.25.1