From patchwork Fri May 15 12:38:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Walter Harms X-Patchwork-Id: 1291080 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bfs.de Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=bfs.de header.i=@bfs.de header.a=rsa-sha256 header.s=dkim201901 header.b=yJV5DF33; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49Nnxy5nkLz9sT8 for ; Fri, 15 May 2020 22:38:14 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726374AbgEOMiL (ORCPT ); Fri, 15 May 2020 08:38:11 -0400 Received: from mx01-sz.bfs.de ([194.94.69.67]:57319 "EHLO mx01-sz.bfs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726162AbgEOMiK (ORCPT ); Fri, 15 May 2020 08:38:10 -0400 Received: from SRVEX01-SZ.bfs.intern (exchange-sz.bfs.de [10.129.90.31]) by mx01-sz.bfs.de (Postfix) with ESMTPS id CA71220320; Fri, 15 May 2020 14:38:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bfs.de; s=dkim201901; t=1589546287; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ppKbetCczRPxYojNsxLooBtfmJ0vphP053kEHBki1gc=; b=yJV5DF337dYDB94SlXzGeeSFtM+t+kyXBFEewX47UBZfxzEcN/7vzS8ERu/uF+ARN0mir8 1Gpd3fCY1Ju0o7q+MYxFvdiw4Mw6oUHflbXBRmo7FYG6VNIEM1JPMBxe74BaatGPQw4TCC UJ85rW2eVH6LNRANJs/AIsBH6Sp0rJdgZpysHOFnLg71RENfRKBb+OfJr3FLksAtbbNWH5 isvPevS/Ruk53abXa7SPrNny9cnmxS/HBsWO+7xcOmKMWwWUMvC+qktzD0wYX7lfiy0b/o 0DxzpYDHcWZCnvKigElYLN3kyFCWxQukGSFPu3wDmrmhdmf0EBlUVdW/HRiCyA== Received: from SRVEX01-SZ.bfs.intern (10.129.90.31) by SRVEX01-SZ.bfs.intern (10.129.90.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.1913.5; Fri, 15 May 2020 14:38:07 +0200 Received: from SRVEX01-SZ.bfs.intern ([fe80::7d2d:f9cb:2761:d24a]) by SRVEX01-SZ.bfs.intern ([fe80::7d2d:f9cb:2761:d24a%6]) with mapi id 15.01.1913.005; Fri, 15 May 2020 14:38:07 +0200 From: Walter Harms To: "linux-wireless@vger.kernel.org" , "netdev@vger.kernel.org" CC: "kernel-janitors@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: AW: [PATCH] rtlwifi: rtl8192ee: remove redundant for-loop Thread-Topic: [PATCH] rtlwifi: rtl8192ee: remove redundant for-loop Thread-Index: AQHWKqLOi1fXAItzAU2fpWUNjofas6ipEGuf Date: Fri, 15 May 2020 12:38:07 +0000 Message-ID: <73b8d798ffa048418be8443f90a79377@bfs.de> References: <20200515102226.29819-1-colin.king@canonical.com> In-Reply-To: <20200515102226.29819-1-colin.king@canonical.com> Accept-Language: de-DE, en-US Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.137.16.40] MIME-Version: 1.0 X-Spam-Status: No, score=-2.89 Authentication-Results: mx01-sz.bfs.de; none X-Spamd-Result: default: False [-2.89 / 7.00]; ARC_NA(0.00)[]; HAS_XOIP(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DKIM_SIGNED(0.00)[]; NEURAL_HAM(-0.00)[-0.884]; TO_DN_EQ_ADDR_ALL(0.00)[]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; MID_RHS_MATCH_FROM(0.00)[]; BAYES_HAM(-2.89)[99.53%] Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org if someone has same spare time, this driver need a bit more love ... SO far i can see in rtl92ee_phy_iq_calibrate: * IQK_MATRIX_REG_NUM should be used instead 8 hardcoded. * the for-loop in the beginning is obfuscating that it sets simply final_candidate this can be cleaned: reg_e94 = result[final_candidate][0]; rtlphy->reg_e94 = reg_e94; reg_e9c = result[final_candidate][1]; rtlphy->reg_e9c = reg_e9c; only reg_e94, reg_ea4 is used later ? jm2c, wh diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c index 6dba576aa81e..bb291b951f4d 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c @@ -2866,14 +2866,12 @@ void rtl92ee_phy_iq_calibrate(struct ieee80211_hw *hw, bool b_recovery) } } - for (i = 0; i < 4; i++) { - reg_e94 = result[i][0]; - reg_e9c = result[i][1]; - reg_ea4 = result[i][2]; - reg_eb4 = result[i][4]; - reg_ebc = result[i][5]; - reg_ec4 = result[i][6]; - } + reg_e94 = result[3][0]; + reg_e9c = result[3][1]; + reg_ea4 = result[3][2]; + reg_eb4 = result[3][4]; + reg_ebc = result[3][5]; + reg_ec4 = result[3][6]; if (final_candidate != 0xff) { reg_e94 = result[final_candidate][0];