From patchwork Wed Oct 12 00:16:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 13004550 X-Patchwork-Delegate: nbd@nbd.name 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 F2E4BC433FE for ; Wed, 12 Oct 2022 00:16:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229529AbiJLAQm (ORCPT ); Tue, 11 Oct 2022 20:16:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229613AbiJLAQi (ORCPT ); Tue, 11 Oct 2022 20:16:38 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 505A87EFE8 for ; Tue, 11 Oct 2022 17:16:35 -0700 (PDT) X-UUID: 6022101edb8f48e29f3ab487debbb188-20221012 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=RpuaaJKKh9YbLdcKl0fEmI69RN38zDuCkhoX9nQ/iHA=; b=h60Il/K5m5miJR1hM2SUcgbdCLuE6b0TZd6r5x3ju313VWUiEnmPhfmYOXv1r0PrIH7giGyH2ZL42qRprPn7zxNgZR7+FCa6+tyTLKRBkAoiMUQ3TY88NgdaSpHwqm8imrKHMQ4qErc4c83EWtj5onXeGi1qFfAZHlzQLCBOigI=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:7a4e4671-6a81-4b97-a89e-c4b450bf9cfc,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:90 X-CID-INFO: VERSION:1.1.11,REQID:7a4e4671-6a81-4b97-a89e-c4b450bf9cfc,IP:0,URL :0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTIO N:quarantine,TS:90 X-CID-META: VersionHash:39a5ff1,CLOUDID:9c019ce1-2948-402a-a6e4-b5d31fe11eb7,B ulkID:221012081633BP9G8VWO,BulkQuantity:0,Recheck:0,SF:38|28|17|19|48|823| 824,TC:nil,Content:0,EDM:-3,IP:nil,URL:11|1,File:nil,Bulk:nil,QS:nil,BEC:n il,COL:0 X-UUID: 6022101edb8f48e29f3ab487debbb188-20221012 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 1302496772; Wed, 12 Oct 2022 08:16:31 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Wed, 12 Oct 2022 08:16:29 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Wed, 12 Oct 2022 08:16:29 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v2 5/7] wifi: mt76: connac: accept hw scan request at a time Date: Wed, 12 Oct 2022 08:16:19 +0800 Message-ID: <6431e657539945698715c39f0973c69982cc81da.1665533390.git.objelf@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <8d784dba38cfb2183af2e4d9fc822a27ef34dcd2.1665533390.git.objelf@gmail.com> References: <8d784dba38cfb2183af2e4d9fc822a27ef34dcd2.1665533390.git.objelf@gmail.com> 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 fffdb6976e52..e5c925ec8691 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -1537,6 +1537,9 @@ 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;