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 19300C433EF for ; Tue, 9 Nov 2021 01:22:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02B03610F7 for ; Tue, 9 Nov 2021 01:22:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229948AbhKIBZX (ORCPT ); Mon, 8 Nov 2021 20:25:23 -0500 Received: from mail.kernel.org ([198.145.29.99]:44392 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243681AbhKIBT0 (ORCPT ); Mon, 8 Nov 2021 20:19:26 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id BDF4561AF7; Tue, 9 Nov 2021 01:07:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1636420069; bh=KjBcQ+WI1oP0C2UNHD/b64r3d+eqgFExUu/QF5FfxGU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WHk21hBQXyFv/DVu6zKyqQono35o/5BmnnKi0kjRbqHPjKbc8D+A1cacvDGPaO/7z Uc+svb8OKx1+tlarihl8fuYzZTuIVrNP/1n5stUkYv3VNpHVtNnU3vnqpmEJaat68m 2FkMYC9myLNcDGagvB8cETXOFLmp4eJUl3UWWfmbhhmxDAcl3CpGJSP9iSnmGJTEI4 QgqOyoIy0lX+fvGZ5oxnUiFgmBAsTcxW5+f8ubZtyRqVdrn9R2M/ccqagOHLOB06O7 s0P3niRUS5rr4gnYlQKuqbbfBjQg4TjWOuLpijejxbtnH71+85ZQ3xrOMvnaZ/jEG3 RBLDYoS5P0w4Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Johannes Berg , Luca Coelho , Sasha Levin , kvalo@codeaurora.org, davem@davemloft.net, kuba@kernel.org, miriam.rachel.korenblit@intel.com, mordechay.goodstein@intel.com, emmanuel.grumbach@intel.com, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 31/39] iwlwifi: mvm: disable RX-diversity in powersave Date: Mon, 8 Nov 2021 20:06:41 -0500 Message-Id: <20211109010649.1191041-31-sashal@kernel.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211109010649.1191041-1-sashal@kernel.org> References: <20211109010649.1191041-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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 d2cada0ab4264..3303fc85d76f5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -1029,6 +1029,9 @@ 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