Received: by 2002:a05:6a10:f3d0:0:0:0:0 with SMTP id a16csp4571076pxv; Tue, 6 Jul 2021 04:20:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJygzrRimKAdfYbhalM4zSr5/mE7DRM9fJaLLU2VL3Tf20NbTl6Bdi066C3tr1d/H2PeEagB X-Received: by 2002:a02:cc70:: with SMTP id j16mr13785832jaq.9.1625570413839; Tue, 06 Jul 2021 04:20:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1625570413; cv=none; d=google.com; s=arc-20160816; b=LkihSh4ix7iKJeSDrooz41N+ctt9/VwNgHq/pM3aVIhMfsQBkoEBvGn4/vZhZLRJAk bT/BaDs+60ZS3PAxUQ2Go2y4LgKv5czqZ5YZz+c4DSz3hYQhnqjJTZZVUZiSygz6ekrO cyDPWUeImSg/nF3tv6fD1aqLBrwLoTnH7IZ4vJeNBieNbibqX2InwY12405VxIDTWTWZ OdvfkEloqK/+UnGYNT1BLHYX6BcjcepwGNnT9ZXo9zbZyctndrh5dKALqzwRm+f/YR2b XENfuLlz9GCp0ZgCkVRZXeQ0NcGaJB5IKgux/S688yJc4OqC5Vk4Z/+89KshB4dQq7Qk cyOA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=86SP7thm0/phGpoUBOzPUU78lKmmvTfec54D+e7YCAg=; b=JnoHjsKuhnebgSfZDi9mLm9X5T6NiJq6FbhTx0vLmbl4BL8TsEhkdBvL2EuWpN6NpN uHo4OJNYDqURhcsX90Q9ZuVjqQmXCXCHKuPhtjGYXG1hvokYgLyCdmzl4pl79+NB+WXK BG/H0ZrQfg7TH7DqwDIJLiZUL25Ym0bB3TbNaCtOAU4ik1WAK+wRyyzs1fuPlZe+jEl+ JK91WaP4z0w5Jos7jSsl7RmoxfuL8zgTJJhCTTDbyI8unf5W1f0Uc4ymFL6Ck8uvWN/n cktdJjmniidYDGqWT2tLOW/sVvbd24v0W7SvJTcmWmulPIpSPY7MpuzaSCweCW0iMJYE RqVg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Y9XqmIgJ; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id m10si5803352ilu.53.2021.07.06.04.20.01; Tue, 06 Jul 2021 04:20:13 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Y9XqmIgJ; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233068AbhGFLWh (ORCPT + 99 others); Tue, 6 Jul 2021 07:22:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:55302 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232416AbhGFLT4 (ORCPT ); Tue, 6 Jul 2021 07:19:56 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2389261CC8; Tue, 6 Jul 2021 11:17:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625570227; bh=dnqI7cLIPgkr4vrDpYP0+IEltAy8NgRLsokYw1F1ts4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y9XqmIgJ3eHYVfNKtFQfM0Qwr70K9V1OMSJFsk8tuaWzB09P8AZPVlSGqC/zTny8d crIqA8ddNMqa9MJaNuaK9qphVDM3nw3W9XsuIBENO0kXX86lUB23dp1V1DRZp/1fb8 wcFX0Km2olyvIfuYoFuK6dJWbfDfJULRBpJEhlxP/3gAm3S/s1PWwrrD8Ezg1QVAlN apSpkVMdzs0ABoMp5snQdPcXPgwQwlycQyw8V3y60Scp6qygAW5CRcK94LxYRzcZvL svceHNUHslhb959C5mYt99lkLTv7fe9fuIspSRsGZxqeZO1O4Bc7ek5DrsWWsTdQeu anAJ59diyljMw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Lorenzo Bianconi , Felix Fietkau , Sasha Levin , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH AUTOSEL 5.13 132/189] mt76: mt7921: reset wfsys during hw probe Date: Tue, 6 Jul 2021 07:13:12 -0400 Message-Id: <20210706111409.2058071-132-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210706111409.2058071-1-sashal@kernel.org> References: <20210706111409.2058071-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Lorenzo Bianconi [ Upstream commit 01f7da40917923bf9d8fd8d5c9a6ed646004e47c ] This patch fixes a mcu hang during device probe on Marvell ESPRESSObin after a hot reboot. Signed-off-by: Lorenzo Bianconi Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7921/dma.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c index 71e664ee7652..a70f0bd875f8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c @@ -402,6 +402,10 @@ int mt7921_dma_init(struct mt7921_dev *dev) if (ret) return ret; + ret = mt7921_wfsys_reset(dev); + if (ret) + return ret; + /* init tx queue */ ret = mt7921_init_tx_queues(&dev->phy, MT7921_TXQ_BAND0, MT7921_TX_RING_SIZE); -- 2.30.2