From patchwork Fri Apr 12 08:53:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mingyen Hsieh X-Patchwork-Id: 13627309 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 310C0C4345F for ; Fri, 12 Apr 2024 08:54:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=Oa0IHlTEkqm/Zd9yc51OmvWVeaF8/iRSN+iJu9U4MUM=; b=toj3e8VQ0yuY2CgjDCO/6Cvx1Z kuZgg3JF9neiFmab8+7R5j+c/ed0XYmp0fhA01sw0qpSEfsQtktpBjojUjrUppQjVNQKLiefDgTBa iiRGFL/rx7wVQ9WugKFnT/IF0ofT0cs1WnDAoR2h322kgzuckwObVKplIZa6m7eKn3pmijuorKSYJ wQJKHu548QKqHqyJifY7/l0zzgrVWp5hMrUo6LrrON0Tk3/39Rb7Y9E+PcsG8BjpC36UZTwHRvkE4 Mt8+wXJkgo9Gk8iDsWrDcARmRITgAu6rjo9SO3mCN1D16wpuYXFPovbRamEqJR9Bn+w9xQxpT8/oW 17kXDEpw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rvCgJ-0000000GEm8-39QF; Fri, 12 Apr 2024 08:54:47 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rvCgH-0000000GEjv-1v9s for linux-mediatek@lists.infradead.org; Fri, 12 Apr 2024 08:54:46 +0000 X-UUID: 4b894782f8aa11ee96d5dfc950b7243d-20240412 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=Oa0IHlTEkqm/Zd9yc51OmvWVeaF8/iRSN+iJu9U4MUM=; b=ZEuztPpaoChX/gDOkSEkGkx2mMU3eNh9Y9IAjJCfOrsfS4IcEOpvqHp+lvhb8pNgHeLg68cM2T2iq9H0wnjOtoszVpTSXRddHNP7bUr5aRAV/6uAfmUw/zGfCOcvwfUGUqj+BtjG9YJ5VMFFN9AG1DMOU/y9a3CcqIQaZJyp5so=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.37,REQID:0493c75a-a830-436f-82c0-f039e278a3a5,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:6f543d0,CLOUDID:f6b3d5fa-ed05-4274-9204-014369d201e8,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 4b894782f8aa11ee96d5dfc950b7243d-20240412 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 479515584; Fri, 12 Apr 2024 01:54:39 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 12 Apr 2024 16:54:01 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 12 Apr 2024 16:54:01 +0800 From: Mingyen Hsieh To: , CC: , , , , , , , , , , , , , , Leon Yen , Ming Yen Hsieh Subject: [PATCH] wifi: mt76: mt7921: avoid undesired changes of the preset regulatory domain Date: Fri, 12 Apr 2024 16:53:57 +0800 Message-ID: <20240412085357.13756-1-mingyen.hsieh@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240412_015445_533274_07F7C6C0 X-CRM114-Status: UNSURE ( 8.38 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Leon Yen Some countries have strict RF restrictions where changing the regulatory domain dynamically based on the connected AP is not acceptable. This patch disables Beacon country IE hinting when a valid country code is set from usersland (e.g., by system using iw or CRDA). Signed-off-by: Leon Yen Signed-off-by: Ming Yen Hsieh --- drivers/net/wireless/mediatek/mt76/mt7921/init.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index ef0c721d26e3..3c9a5fcd6924 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -135,6 +135,13 @@ mt7921_regd_notifier(struct wiphy *wiphy, dev->mt76.region = request->dfs_region; dev->country_ie_env = request->country_ie_env; + if (request->initiator == NL80211_REGDOM_SET_BY_USER) { + if (dev->mt76.alpha2[0] == '0' && dev->mt76.alpha2[1] == '0') + wiphy->regulatory_flags &= ~REGULATORY_COUNTRY_IE_IGNORE; + else + wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE; + } + if (pm->suspended) return;