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=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,URIBL_BLOCKED,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 6DEACC07E9E for ; Tue, 6 Jul 2021 11:20:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59B8161CBA for ; Tue, 6 Jul 2021 11:20:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233387AbhGFLWj (ORCPT ); Tue, 6 Jul 2021 07:22:39 -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: netdev@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