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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 288E5C433E2 for ; Fri, 26 Jun 2020 21:25:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 08BF52100A for ; Fri, 26 Jun 2020 21:25:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593206743; bh=tuLy4ShzWJs5sATRkIvM4SMsEx6NlrCEvROfr7GG5zA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=cznU6mjFj/7hj1Ic03/Tn7czDIAk8trgM2aklh5jTbc7V7HStj9ayHeUE9YC2UDB+ mNwumxvcC1/JvLuKGr4Tn5NRi7TyixkU+U6wATLTVWwOyCeGTpUHOhfXcDb65WWnBd ptLGoQICUfpTcv9EPFOxrwnYP4unNtfqB6mux8pg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726345AbgFZVZm (ORCPT ); Fri, 26 Jun 2020 17:25:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:33736 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725793AbgFZVZl (ORCPT ); Fri, 26 Jun 2020 17:25:41 -0400 Received: from localhost.localdomain.com (unknown [151.48.138.186]) (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 4A94120B1F; Fri, 26 Jun 2020 21:25:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593206741; bh=tuLy4ShzWJs5sATRkIvM4SMsEx6NlrCEvROfr7GG5zA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DWN/3TwxAZ6w6DqupEkMRvnpF8ozFPuAn7ukJ1OYdI0bsB2wGtGtFKHU0SfU4XVO9 UyHaHN+lydu6jnatPKNbaaTr6FDXSGtDmR2o9wgNyP2qqm3V4J9tyuvzkG/2KmCfMH 4pLlaKuHVM4l+8JMVJUs+D8ElcEidkb1IuXs75o0= From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, ryder.lee@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH 05/17] mt76: mt7615: wake device before accessing regmap in debugfs Date: Fri, 26 Jun 2020 23:25:05 +0200 Message-Id: <4ad493ebe2a26e709c50edf16d29a310f57d8fcf.1593204577.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Make sure the device is in full-power before reading regs in debugfs Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c index 8bb7c64db738..b4c196005ebf 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c @@ -167,9 +167,13 @@ mt7615_ampdu_stat_read(struct seq_file *file, void *data) { struct mt7615_dev *dev = file->private; + mt7615_mutex_acquire(dev, &dev->mt76.mutex); + mt7615_ampdu_stat_read_phy(&dev->phy, file); mt7615_ampdu_stat_read_phy(mt7615_ext_phy(dev), file); + mt7615_mutex_release(dev, &dev->mt76.mutex); + return 0; } @@ -233,6 +237,8 @@ mt7615_queues_acq(struct seq_file *s, void *data) struct mt7615_dev *dev = dev_get_drvdata(s->private); int i; + mt7615_mutex_acquire(dev, &dev->mt76.mutex); + for (i = 0; i < 16; i++) { int j, wmm_idx = i % MT7615_MAX_WMM_SETS; int acs = i / MT7615_MAX_WMM_SETS; @@ -253,6 +259,8 @@ mt7615_queues_acq(struct seq_file *s, void *data) seq_printf(s, "AC%d%d: queued=%d\n", wmm_idx, acs, qlen); } + mt7615_mutex_release(dev, &dev->mt76.mutex); + return 0; } -- 2.26.2