From patchwork Thu Oct 25 16:18:33 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislaw Gruszka X-Patchwork-Id: 10656169 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8AD0B17DE for ; Thu, 25 Oct 2018 16:18:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3FB772AE3C for ; Thu, 25 Oct 2018 16:18:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 341712BA78; Thu, 25 Oct 2018 16:18:41 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C868D2BA61 for ; Thu, 25 Oct 2018 16:18:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727837AbeJZAwF (ORCPT ); Thu, 25 Oct 2018 20:52:05 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60046 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727834AbeJZAwE (ORCPT ); Thu, 25 Oct 2018 20:52:04 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 35DBF3084032; Thu, 25 Oct 2018 16:18:37 +0000 (UTC) Received: from localhost (ovpn-204-18.brq.redhat.com [10.40.204.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id DB072608EC; Thu, 25 Oct 2018 16:18:34 +0000 (UTC) From: Stanislaw Gruszka To: Felix Fietkau Cc: Lorenzo Bianconi , linux-wireless@vger.kernel.org Subject: [PATCH] mt76x0: use band parameter for LC calibration Date: Thu, 25 Oct 2018 18:18:33 +0200 Message-Id: <1540484313-9354-1-git-send-email-sgruszka@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.40]); Thu, 25 Oct 2018 16:18:37 +0000 (UTC) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We use always 1 as band parameter for MCU_CAL_LC, this break 2GHz, we should use 0 for this band instead. Patch fixes problems happened sometimes when try to associate with 2GHz AP and manifest by errors like below: [14680.920823] wlan0: authenticate with 18:31:bf:c0:51:b0 [14681.109506] wlan0: send auth to 18:31:bf:c0:51:b0 (try 1/3) [14681.310454] wlan0: send auth to 18:31:bf:c0:51:b0 (try 2/3) [14681.518469] wlan0: send auth to 18:31:bf:c0:51:b0 (try 3/3) [14681.726499] wlan0: authentication with 18:31:bf:c0:51:b0 timed out Fixes: 9aec146d0f6b ("mt76x0: pci: introduce mt76x0_phy_calirate routine") Signed-off-by: Stanislaw Gruszka Tested-by: Lorenzo Bianconi --- This is for 4.20. drivers/net/wireless/mediatek/mt76/mt76x0/phy.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c index c734987a344c..ca24b5716b58 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c @@ -522,6 +522,7 @@ void mt76x0_phy_set_txpower(struct mt76x02_dev *dev) void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on) { struct ieee80211_channel *chan = dev->mt76.chandef.chan; + int is_5ghz = (chan->band == NL80211_BAND_5GHZ) ? 1 : 0; u32 val, tx_alc, reg_val; if (is_mt7630(dev)) @@ -542,7 +543,7 @@ void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on) reg_val = mt76_rr(dev, MT_BBP(IBI, 9)); mt76_wr(dev, MT_BBP(IBI, 9), 0xffffff7e); - if (chan->band == NL80211_BAND_5GHZ) { + if (is_5ghz) { if (chan->hw_value < 100) val = 0x701; else if (chan->hw_value < 140) @@ -555,7 +556,7 @@ void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on) mt76x02_mcu_calibrate(dev, MCU_CAL_FULL, val, false); msleep(350); - mt76x02_mcu_calibrate(dev, MCU_CAL_LC, 1, false); + mt76x02_mcu_calibrate(dev, MCU_CAL_LC, is_5ghz, false); usleep_range(15000, 20000); mt76_wr(dev, MT_BBP(IBI, 9), reg_val);