From patchwork Tue Aug 16 00:03:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 598903 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F5DCC19F2C for ; Tue, 16 Aug 2022 06:19:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229516AbiHPGT0 (ORCPT ); Tue, 16 Aug 2022 02:19:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45466 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229820AbiHPGTG (ORCPT ); Tue, 16 Aug 2022 02:19:06 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA5954F663 for ; Mon, 15 Aug 2022 17:04:28 -0700 (PDT) X-UUID: 00b31936d68d497b807add5633fcb570-20220816 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=iPlojUoTV6eO5+XQEy/h8OUvuvUoALvHcaSlna0fkI0=; b=hdD90ltrCgmxB5kqpElENaD7gKOY4cpWLYDQv2LBRXvl7daN2gRzG5+0Ak/+h3pHAdeUXpFtK32d22EzxxhYe7TI9uaZH+hb5djO/DTyZMfae1WbwosN4L3+jqi0ukkZfVVW1XEHR+ZegYtTDb0zYg8d3dQBHgIkvXcvzrL/pVg=; X-CID-UNFAMILIAR: 1 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.9, REQID:3bf19847-15d6-47f3-9411-a1c41d5226b7, OB:0, LO B:0,IP:0,URL:5,TC:0,Content:0,EDM:0,RT:0,SF:100,FILE:0,BULK:0,RULE:Release _Ham,ACTION:release,TS:105 X-CID-INFO: VERSION:1.1.9, REQID:3bf19847-15d6-47f3-9411-a1c41d5226b7, OB:0, LOB: 0,IP:0,URL:5,TC:0,Content:0,EDM:0,RT:0,SF:100,FILE:0,BULK:0,RULE:Spam_GS98 1B3D,ACTION:quarantine,TS:105 X-CID-META: VersionHash:3d8acc9, CLOUDID:5f1463fd-9e71-4a0f-ba6b-417998daea35, C OID:7a568cdc3c9b,Recheck:0,SF:28|16|19|48,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 00b31936d68d497b807add5633fcb570-20220816 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1633658602; Tue, 16 Aug 2022 08:04:22 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Tue, 16 Aug 2022 08:04:20 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 16 Aug 2022 08:04:20 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH 7/9] wifi: mt76: connac: accept hw scan request at a time Date: Tue, 16 Aug 2022 08:03:45 +0800 Message-ID: <51d7ac3d29f5a6817265ba4c3bfd0d013dbc35ed.1660606893.git.objelf@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Sean Wang The current hw scan cannot accept multiple hw scan requests at a time, we return the proper error code when the hw scan is still undergoing. Signed-off-by: Sean Wang --- drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c index c2ed5e755893..0ade122de632 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -1536,6 +1536,9 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif, struct mt76_connac_hw_scan_req *req; struct sk_buff *skb; + if (test_bit(MT76_HW_SCANNING, &phy->state)) + return -EBUSY; + skb = mt76_mcu_msg_alloc(mdev, NULL, sizeof(*req)); if (!skb) return -ENOMEM;