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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 861CAC433B4 for ; Wed, 5 May 2021 16:36:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6250F61939 for ; Wed, 5 May 2021 16:36:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234753AbhEEQhE (ORCPT ); Wed, 5 May 2021 12:37:04 -0400 Received: from mail.kernel.org ([198.145.29.99]:53234 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234313AbhEEQe4 (ORCPT ); Wed, 5 May 2021 12:34:56 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CE9D56141B; Wed, 5 May 2021 16:32:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620232371; bh=k1/+NZWdIyxXM4YAwQQG+VyV9Eo3Vmzg3To1cnf+uRw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lQossZIIp5pnhyCbNLsY3eQdHV1cTJBiA/vcbx/KrY8UWt74Er7za80DDLX4ewB/n PM3eYdZCKVMRiBgTuvmHwrH36vtAvvJp7gFBZcJ8MJnfEn4ERxoadBM2SelYvJbXXY qdWFOTJAa/J7JAskVaAh5GpqHhV7Yk8mBtTc/YAPsy7S/C4h833xdMqOceHzrhKZkO IFUy3m1AnGKXfne7WNhgNWCafQbKEas5HR0sd0hlR/UizKganIQa5TTQLLcovqkzYK Qja4gLlE5yVaB1uw15ofyOdaC8XgJExIa070QigevRzV1CoJ/INM7CYI/2yx7BCdUq amu4zNmLOwRjQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Shayne Chen , Felix Fietkau , Sasha Levin , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH AUTOSEL 5.12 062/116] mt76: mt7915: fix txpower init for TSSI off chips Date: Wed, 5 May 2021 12:30:30 -0400 Message-Id: <20210505163125.3460440-62-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210505163125.3460440-1-sashal@kernel.org> References: <20210505163125.3460440-1-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: Shayne Chen [ Upstream commit a226ccd04c479ccd23d6927c64bad1b441707f70 ] Fix incorrect txpower init value for TSSI off chips which causes too small txpower. Signed-off-by: Shayne Chen Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- .../wireless/mediatek/mt76/mt7915/eeprom.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index 660398ac53c2..738ecf8f4fa2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -124,7 +124,7 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev, struct ieee80211_channel *chan, u8 chain_idx) { - int index; + int index, target_power; bool tssi_on; if (chain_idx > 3) @@ -133,15 +133,22 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev, tssi_on = mt7915_tssi_enabled(dev, chan->band); if (chan->band == NL80211_BAND_2GHZ) { - index = MT_EE_TX0_POWER_2G + chain_idx * 3 + !tssi_on; + index = MT_EE_TX0_POWER_2G + chain_idx * 3; + target_power = mt7915_eeprom_read(dev, index); + + if (!tssi_on) + target_power += mt7915_eeprom_read(dev, index + 1); } else { - int group = tssi_on ? - mt7915_get_channel_group(chan->hw_value) : 8; + int group = mt7915_get_channel_group(chan->hw_value); + + index = MT_EE_TX0_POWER_5G + chain_idx * 12; + target_power = mt7915_eeprom_read(dev, index + group); - index = MT_EE_TX0_POWER_5G + chain_idx * 12 + group; + if (!tssi_on) + target_power += mt7915_eeprom_read(dev, index + 8); } - return mt7915_eeprom_read(dev, index); + return target_power; } static const u8 sku_cck_delta_map[] = { -- 2.30.2