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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS 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 CEFE8C43382 for ; Tue, 25 Sep 2018 06:49:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 36EAE214C5 for ; Tue, 25 Sep 2018 06:49:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 36EAE214C5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727562AbeIYMz4 (ORCPT ); Tue, 25 Sep 2018 08:55:56 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56850 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727114AbeIYMz4 (ORCPT ); Tue, 25 Sep 2018 08:55:56 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 905C8308FB86; Tue, 25 Sep 2018 06:49:52 +0000 (UTC) Received: from localhost (unknown [10.43.2.84]) by smtp.corp.redhat.com (Postfix) with ESMTP id 47C5B1077D48; Tue, 25 Sep 2018 06:49:50 +0000 (UTC) From: Stanislaw Gruszka To: Felix Fietkau Cc: linux-wireless@vger.kernel.org, Lorenzo Bianconi , Sid Hayn Subject: [PATCH] mt76x0: add quirk to disable 2.4GHz band for Archer T1U Date: Tue, 25 Sep 2018 08:49:48 +0200 Message-Id: <1537858188-7815-1-git-send-email-sgruszka@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.43]); Tue, 25 Sep 2018 06:49:52 +0000 (UTC) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org TP-LINK Archer T1U do not support 2.4GHz band despite EEPROM reports that. Add quirk to mask out 2.4GHz support. Reported-by: Sid Hayn Signed-off-by: Stanislaw Gruszka --- drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c | 5 +++++ drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h | 2 ++ drivers/net/wireless/mediatek/mt76/mt76x0/usb.c | 7 ++++++- 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c index 18bd80adbb51..3d712f6d7078 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c @@ -62,6 +62,11 @@ static void mt76x0_set_chip_cap(struct mt76x0_dev *dev) dev_dbg(dev->mt76.dev, "2GHz %d 5GHz %d\n", dev->mt76.cap.has_2ghz, dev->mt76.cap.has_5ghz); + if (dev->no_2ghz) { + dev->mt76.cap.has_2ghz = false; + dev_dbg(dev->mt76.dev, "mask out 2GHz support\n"); + } + if (!mt76x02_field_valid(nic_conf1 & 0xff)) nic_conf1 &= 0xff00; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h index 7e131241344b..242abab69cdb 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h @@ -108,6 +108,8 @@ struct mt76x0_dev { u8 agc_save; u16 chainmask; + bool no_2ghz; + struct mac_stats stats; }; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c index 76d607f73758..b7a1069ecd0e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c @@ -45,7 +45,8 @@ { USB_DEVICE(0x20f4, 0x806b) }, /* TRENDnet TEW-806UBH */ { USB_DEVICE(0x7392, 0xc711) }, /* Devolo Wifi ac Stick */ { USB_DEVICE(0x0df6, 0x0079) }, /* Sitecom Europe B.V. ac Stick */ - { USB_DEVICE(0x2357, 0x0105) }, /* TP-LINK Archer T1U */ + { USB_DEVICE(0x2357, 0x0105), + .driver_info = 1, }, /* TP-LINK Archer T1U */ { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)}, /* MT7630U */ { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)}, /* MT7650U */ { 0, } @@ -222,6 +223,10 @@ static int mt76x0u_probe(struct usb_interface *usb_intf, if (!dev) return -ENOMEM; + /* Quirk for Archer T1U */ + if (id->driver_info) + dev->no_2ghz = true; + usb_dev = usb_get_dev(usb_dev); usb_reset_device(usb_dev); -- 1.9.3