Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp1839364pxj; Sat, 5 Jun 2021 04:50:32 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwnw9OzdfGX5PpLlfe1DLPfaJNJ9BHUJsjggQX9xUBUBWDMAIBmT6+nzJ3KiPYZnqCBghA4 X-Received: by 2002:a17:907:92e:: with SMTP id au14mr8718773ejc.194.1622893832129; Sat, 05 Jun 2021 04:50:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1622893832; cv=none; d=google.com; s=arc-20160816; b=Sn8bHy4j2FKGAjQliMnRMHn4cUCJzjNFzduaTgSFZ0FmymGKExJrYaCy2OB28KKl4W aMVLeA8WCJ2VUPrUj6vH4K4gRUbhBnFN8Y6/Dij1KKyiNszD5s7xboU2BV1Yq1zlSEZ9 0pTcI+p9QUb4EUybUmP8/lERX5etLa+qZifdkTbe54EnlGcf7SE0uMArVqVGUl7GMu4l 88tLVTpFJwZKL8f0hsggqbY0/5K4FpWHB12dPk+v21YdNGraRbd0R1g6kp+jSURbkdPk oa/DRTu6ymF/tEgeK9VOcahhpx6+MwX0lw+9sYQLGG/dsUd2P8IM8F4a/1jyX1HYX/lK qM0A== 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 :message-id:date:subject:cc:to:from:dkim-signature; bh=A+6WA1ieaeAujFcuzDv+gTVFwkMAWhq3VhY4xB3o9oM=; b=zD31gVOS9yi7LX/VabTkn46rGrO69mmoNNWje5fEdQsa6PzyhIyDWpyOBxUV4ni5pW UdDk3AASt8m2U2SdqLU1FJG5W/Halbqz+ydhLF0U7uOSJSQscGxutpvDsHHvol9Y+CEC 2v+XhYuj+21i3s4cx0EMffgbgElMqMPHTH+qTd2fEVKTEryP1E5DQ0EWgD55c9lMaL2b KpDFv3PYDVKvSpZos9dyG2lPFhOTgLMGX/Ar16XwKCC2p3Ki0+En4tNL8VXx7QlWHCGB jPrlPlExm2IX1spVvnHc5Kb4ZM0XwP9F2908ysgSAC9wumrIToa3gIlJTruGzk+ui1/2 tlWA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=XqUuZlfv; 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 qh24si7225606ejb.194.2021.06.05.04.49.58; Sat, 05 Jun 2021 04:50:32 -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=XqUuZlfv; 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 S230118AbhFELr7 (ORCPT + 99 others); Sat, 5 Jun 2021 07:47:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:52260 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229931AbhFELr6 (ORCPT ); Sat, 5 Jun 2021 07:47:58 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1A0EB613AA; Sat, 5 Jun 2021 11:46:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622893571; bh=DMnGpRc6CO1BVac6M1Nv/k0wfcmK9nGiVomagPoDugg=; h=From:To:Cc:Subject:Date:From; b=XqUuZlfvDere8+b4BzhYDdtE2rPtTlXJaKgyr9jE8XSsFTL44WKIchc5NL9nhOhC/ nsyp0zrn1ftVZtXpkcN/8wbHNO50cvqNJ/EIoqwX3v/smHd6iVIUX62ixZcWwoJm5G qiIE53iUku+OO+9IYEYERN2dh9RfR3a8xZmrmHH6A4BJUaSIq/Bz3/vIhOmH/9w6au adY2DQIsks26siECEwRZT9cic05XtkEeCQ3DszJqX3/kYfMRSkMlnxkjYFyMr09sH0 gA3pKsd/rZUlx9M0jfphbqfhz+1NLDQCxtAlvxqwouc4IPI59Qs/e2R3G/SxF/9kTk fiOGQ9hzH5baw== From: Lorenzo Bianconi To: nbd@nbd.name Cc: lorenzo.bianconi@redhat.com, linux-wireless@vger.kernel.org, deren.wu@mediatek.com, sean.wang@mediatek.com Subject: [PATCH] mt76: mt7921: wake the device before dumping power table Date: Sat, 5 Jun 2021 13:46:03 +0200 Message-Id: <337a5087d6f696fa7ba9048fdcb342f0e96480cd.1622893491.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Always wake the device up before dumping the single_sku power table otherwise the device can hang. Fixes: ea29acc97c555 ("mt76: mt7921: add dumping Tx power tabl") Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c index b41d70be948b..c8cba1821cd7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c @@ -184,7 +184,10 @@ mt7921_txpwr(struct seq_file *s, void *data) struct mt7921_txpwr txpwr; int ret; + mt7921_mutex_acquire(dev); ret = mt7921_get_txpwr_info(dev, &txpwr); + mt7921_mutex_release(dev); + if (ret) return ret; -- 2.31.1