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: 12944127 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 01726C00140 for ; Tue, 16 Aug 2022 00:05:10 +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: References:In-Reply-To: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:List-Owner; bh=iPlojUoTV6eO5+XQEy/h8OUvuvUoALvHcaSlna0fkI0=; b=47iF6zvhimqUOJKGfvM4OQ5G4s 1tuP/U8JWa2xbm3VOKcL8aOTK34fevmJA+6YTukjITEm3US0Brn+m97v12o34LjEFZ8X2Pe76IjES ICdDcXgcy7aw4Itm2ig0YXaC1cvLAqPuAFHDHTehxCxu1pb80vef5ijvfOaU0shggu0lUHeQ+cP6G pVC+NgBt6Rq9kY0EnQuklmekuJm9rRxf58QsPhVP8DQ7htnFFzW4BTUy/GbeSK7favs5Fsm4nh3HS Ao25vajQmBoBiAKDF8qgI6LhbOPKEHmXtsGFCbMZMBqr1YALU56jDCsYlg8wcusNbT4EIo5HP+E6x VOgb+DgQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNk4k-007lNi-Bx; Tue, 16 Aug 2022 00:04:54 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNk4d-007lED-FF for linux-mediatek@lists.infradead.org; Tue, 16 Aug 2022 00:04:51 +0000 X-UUID: 7f1634e5ab704cc8ba36985a3f5d1626-20220815 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-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.9,REQID:b23863eb-79b6-4032-860e-eb798d3ebdaf,OB:0,LO B:0,IP:0,URL:5,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_H am,ACTION:release,TS:5 X-CID-META: VersionHash:3d8acc9,CLOUDID:b07fe4ae-9535-44a6-aa9b-7f62b79b6ff6,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:11|1,File: nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 7f1634e5ab704cc8ba36985a3f5d1626-20220815 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 959144356; Mon, 15 Aug 2022 17:04:40 -0700 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220815_170447_604764_DD35F0A2 X-CRM114-Status: UNSURE ( 9.64 ) 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: 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;