Received: by 2002:a05:6a10:17d3:0:0:0:0 with SMTP id hz19csp788895pxb; Thu, 15 Apr 2021 06:42:21 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyEbBDxmGrt0ykVmXYlU46Z6MT4y7rKVM1d/ElujRhi6EqZj3xgrqBWF4Yg0Rqcwfc03pco X-Received: by 2002:a17:906:5056:: with SMTP id e22mr3465243ejk.289.1618494141740; Thu, 15 Apr 2021 06:42:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1618494141; cv=none; d=google.com; s=arc-20160816; b=u9+izLTWanvRgxgpopeUpIcI2Ul3nFZZn1sXWSqcmFlxsu3ZPG/x6dzEiEiRNjpSC9 tYq9y6J2P+SegepVq7U9RRhAQfKPixSbTs5bF1F1211dPH7tW5LtkG9XVnrat22w+7R9 a0bpiVQtYkR/uHBMuIpmTb0IQ4NEdQQy+5wH2jL4ypHLeM7NYNctsqbMEW7Gzw/9xfuv 3iO4asSYsm3I0Uk1Lm2FkzB/+Gb4ESiRjTvkhkpJuK+qej8yCOK3DLPuzloXmcTz9+o2 mV3StaL/l+T9ne/IEoQRVHtG6THi2oth5KqXXVUVNVJ6IZyPdNrZxETqjPVY7imCGoUx VRBg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:date:subject:cc:to:from; bh=KrkGvuMpej0xfSMcDFzZBCfXyT8GwT9mWNz0PadxsGo=; b=yxckakNBKP3dVIhoUEpCoKolF6jdWEmHEvIjj0xmIWyRY2/Z9Wo4KSm8SAFpk/sBLN w/h4LgOXOlBg3r2Ubk+an0sF0HnIhWsM4nL8itbXRMk6wx3H3UjiRsO+jnONa7d9xa2p iilmosKio5q7PbZVoyrE4oY/Ud7cJmerCWXSxa8cstM6zS8YN0vT1vutty2pZnIXXpkk xaMowMa8Iqgaz8RhNN7z9yP/4BEHNVyg4eG9xha96/OWvH9cMkyBJWyUP9MJWtAU27WG YQ2o3C3cCYf3kHhvEFi7FmPnu5F2zsXEhr/GcLM4R6BGCxxBBmh/bfpHnNpnVMVGZ3Fp 2UpQ== ARC-Authentication-Results: i=1; mx.google.com; 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=fail (p=NONE sp=NONE dis=NONE) header.from=mediatek.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id o21si2258010edc.377.2021.04.15.06.41.58; Thu, 15 Apr 2021 06:42:21 -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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=mediatek.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233131AbhDONmO (ORCPT + 99 others); Thu, 15 Apr 2021 09:42:14 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:52656 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S230056AbhDONmO (ORCPT ); Thu, 15 Apr 2021 09:42:14 -0400 X-UUID: b339edd9d613403088ff2945570b7691-20210415 X-UUID: b339edd9d613403088ff2945570b7691-20210415 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 189267769; Thu, 15 Apr 2021 21:41:48 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 15 Apr 2021 21:41:46 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 15 Apr 2021 21:41:46 +0800 From: To: , CC: , , , , , , , , , Subject: [PATCH 1/2] mt76: mt7921: add debugfs knob for performing wifi reset Date: Thu, 15 Apr 2021 21:41:44 +0800 Message-ID: <1618494105-5462-1-git-send-email-sean.wang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Sean Wang Introduce chip_reset knob in mt7921 debugfs to export a way to users able to trigger wifi reset. Signed-off-by: Sean Wang --- drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c index 024524173115..1342a0b645e3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c @@ -302,6 +302,16 @@ static int mt7921_config(void *data, u64 val) DEFINE_DEBUGFS_ATTRIBUTE(fops_config, NULL, mt7921_config, "%lld\n"); +static int mt7921_chip_reset(void *data, u64 val) +{ + struct mt7921_dev *dev = data; + + mt7921_reset(&dev->mt76); + + return 0; +} +DEFINE_DEBUGFS_ATTRIBUTE(fops_reset, NULL, mt7921_chip_reset, "%lld\n"); + int mt7921_init_debugfs(struct mt7921_dev *dev) { struct dentry *dir; @@ -322,6 +332,7 @@ int mt7921_init_debugfs(struct mt7921_dev *dev) debugfs_create_file("idle-timeout", 0600, dir, dev, &fops_pm_idle_timeout); debugfs_create_file("chip_config", 0600, dir, dev, &fops_config); + debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset); return 0; } -- 2.25.1