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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46EA0FC6194 for ; Fri, 8 Nov 2019 12:01:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1426A207FA for ; Fri, 8 Nov 2019 12:01:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573214508; bh=RKRTRBPAlk+f+aw3C7A6A3UDnlrwH0Cc8yXEXBYKvkA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=nas6hRPJorhzr/XAechfNf65Jkdn4SCDNyprLSSet7w3/VVaFB4CKZLDq36nKK3Cd rKB24Rwhfze7lXcFzQtDEXTke4Vr0W4zKyoAp5+wTwH8Y/UZJtARjCJ5DQp78WGOoo sTYNFuBwCV6sPOyjwtIQurnE6TPD4XjYw4luFVKI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391767AbfKHMBd (ORCPT ); Fri, 8 Nov 2019 07:01:33 -0500 Received: from mail.kernel.org ([198.145.29.99]:58086 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390487AbfKHLne (ORCPT ); Fri, 8 Nov 2019 06:43:34 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AD6AC222C6; Fri, 8 Nov 2019 11:43:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573213413; bh=RKRTRBPAlk+f+aw3C7A6A3UDnlrwH0Cc8yXEXBYKvkA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dY4e2MvzVDfqELynxtCPL+gzwTzL1T2uDze9r8OVm5+lp4iI5CdAjXjh9UVAp+Ntd 8zSDTtco+VzaArxVWGi+D8+26QdA/islZW7aDlN6a33qi2nlfLmRaK6PER2MECrQfG IHIeCBv7u7umE6FqsHjmUspXuXR9fMaHFjzgnjgM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sven Eckelmann , Kalle Valo , Sasha Levin , ath10k@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 016/103] ath10k: limit available channels via DT ieee80211-freq-limit Date: Fri, 8 Nov 2019 06:41:41 -0500 Message-Id: <20191108114310.14363-16-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191108114310.14363-1-sashal@kernel.org> References: <20191108114310.14363-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Sven Eckelmann [ Upstream commit 34d5629d2ca89d847b7040762b87964c696c14da ] Tri-band devices (1x 2.4GHz + 2x 5GHz) often incorporate special filters in the RX and TX path. These filtered channel can in theory still be used by the hardware but the signal strength is reduced so much that it makes no sense. There is already a DT property to limit the available channels but ath10k has to manually call this functionality to limit the currrently set wiphy channels further. Signed-off-by: Sven Eckelmann Signed-off-by: Kalle Valo Signed-off-by: Sasha Levin --- drivers/net/wireless/ath/ath10k/mac.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 58a3c42c4aedb..8c4bb56c262f6 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -17,6 +17,7 @@ #include "mac.h" +#include #include #include #include @@ -8174,6 +8175,7 @@ int ath10k_mac_register(struct ath10k *ar) ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band; } + wiphy_read_of_freq_limits(ar->hw->wiphy); ath10k_mac_setup_ht_vht_cap(ar); ar->hw->wiphy->interface_modes = -- 2.20.1