From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 30C90C433FE for ; Mon, 15 Nov 2021 22:42:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 147C463212 for ; Mon, 15 Nov 2021 22:42:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351475AbhKOWoU (ORCPT ); Mon, 15 Nov 2021 17:44:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:46050 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239165AbhKOSkq (ORCPT ); Mon, 15 Nov 2021 13:40:46 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 96F9D6326E; Mon, 15 Nov 2021 18:04:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1636999462; bh=Ql/dflhi8ZWTUG9hl1uggtLvGa5T1NtY4Iz6rNF/QYw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=adpDsng7RA1IONOGyz+YDbG+dt7H/CgmiNiMCaKLgoY2b+B4QvuCEFbcAkQ8iemFH xqmTqTIeuVRUUKBpU0TUdN1LUQtNHTIbKFe4Gc92sPoY4dPw4hfkWeGkIzLTAorGlk vB9O9biE3TLpRoZTUiKMV/gs2QRvFiZ6tzz8/yQw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Johannes Berg , Luca Coelho , Sasha Levin Subject: [PATCH 5.14 305/849] iwlwifi: mvm: disable RX-diversity in powersave Date: Mon, 15 Nov 2021 17:56:28 +0100 Message-Id: <20211115165430.570812547@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211115165419.961798833@linuxfoundation.org> References: <20211115165419.961798833@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Johannes Berg [ Upstream commit e5322b9ab5f63536c41301150b7ce64605ce52cc ] Just like we have default SMPS mode as dynamic in powersave, we should not enable RX-diversity in powersave, to reduce power consumption when connected to a non-MIMO AP. Signed-off-by: Johannes Berg Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20211017113927.fc896bc5cdaa.I1d11da71b8a5cbe921a37058d5f578f1b14a2023@changeid Signed-off-by: Luca Coelho Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index 4a3d2971a98b7..ec8a223f90e85 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -405,6 +405,9 @@ bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm, lockdep_assert_held(&mvm->mutex); + if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) + return false; + if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1) return false; -- 2.33.0