From patchwork Wed May 12 14:49:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 436626 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 3B439C43460 for ; Wed, 12 May 2021 16:26:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE9B4610A7 for ; Wed, 12 May 2021 16:26:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236909AbhELQXV (ORCPT ); Wed, 12 May 2021 12:23:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:59020 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240572AbhELQSV (ORCPT ); Wed, 12 May 2021 12:18:21 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 85B4661D76; Wed, 12 May 2021 15:44:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620834269; bh=0crU0swUpVbJ5YZC4AXLCdisuFWGaTi/yA704myJhi0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YftvdULdaWXgi2KprxU6+9E7ykk6CToM1Jnsh0QjDxLfgnFOTH3yOBE6smKkHSsMj CkYGz5/77jepHQNe9Ntg5W0gAfXR9GraJ0VRI9u6nXfyFsafXDF6plUzpWDzUebrdk DoIOG5irtYT66siPlseiJNAEckSkLRaPJD4+/G0w= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ryder Lee , Felix Fietkau , Sasha Levin Subject: [PATCH 5.11 475/601] mt76: mt7615: cleanup mcu tx queue in mt7615_dma_reset() Date: Wed, 12 May 2021 16:49:12 +0200 Message-Id: <20210512144843.491046301@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144827.811958675@linuxfoundation.org> References: <20210512144827.811958675@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ryder Lee [ Upstream commit 69e74d7f23d515fb559b2e0bebfdf4c458d9507d ] With this patch, mt7615_mac_reset_work() can recover system back. Fixes: e637763b606b ("mt76: move mcu queues to mt76_dev q_mcu array") Signed-off-by: Ryder Lee Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index 052d96f6fd66..2cb24c26a074 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -2032,15 +2032,17 @@ void mt7615_dma_reset(struct mt7615_dev *dev) mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_RX_DMA_EN | MT_WPDMA_GLO_CFG_TX_DMA_EN | MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE); + usleep_range(1000, 2000); - mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WM], true); for (i = 0; i < __MT_TXQ_MAX; i++) mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[i], true); - mt76_for_each_q_rx(&dev->mt76, i) { + for (i = 0; i < __MT_MCUQ_MAX; i++) + mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[i], true); + + mt76_for_each_q_rx(&dev->mt76, i) mt76_queue_rx_reset(dev, i); - } mt76_set(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_RX_DMA_EN | MT_WPDMA_GLO_CFG_TX_DMA_EN |