From patchwork Mon Mar 9 08:50:07 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sujith Manoharan X-Patchwork-Id: 5965611 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C235DBF440 for ; Mon, 9 Mar 2015 08:46:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E0F272024D for ; Mon, 9 Mar 2015 08:46:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 082972022D for ; Mon, 9 Mar 2015 08:46:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752708AbbCIIqf (ORCPT ); Mon, 9 Mar 2015 04:46:35 -0400 Received: from s72.web-hosting.com ([198.187.29.22]:45422 "EHLO s72.web-hosting.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753387AbbCIIq2 (ORCPT ); Mon, 9 Mar 2015 04:46:28 -0400 Received: from [117.207.78.0] (port=10150 helo=sujith-pixel.qualcomm.com) by server72.web-hosting.com with esmtpsa (UNKNOWN:AES128-SHA256:128) (Exim 4.82) (envelope-from ) id 1YUtKV-0033Ry-U1 for linux-wireless@vger.kernel.org; Mon, 09 Mar 2015 04:46:28 -0400 From: Sujith Manoharan To: linux-wireless@vger.kernel.org Subject: [PATCH 2/5] ath9k: Fix PLL powersave for AR9485 Date: Mon, 9 Mar 2015 14:20:07 +0530 Message-Id: <1425891010-21522-3-git-send-email-sujith@msujith.org> X-Mailer: git-send-email 2.3.1 In-Reply-To: <1425891010-21522-1-git-send-email-sujith@msujith.org> References: <1425891010-21522-1-git-send-email-sujith@msujith.org> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server72.web-hosting.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - msujith.org X-Get-Message-Sender-Via: server72.web-hosting.com: authenticated_id: sujith@msujith.org X-Source: X-Source-Args: X-Source-Dir: Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Sujith Manoharan Use the value in ah->config.pll_pwrsave to determine which array needs to be loaded. Also, initialize pll_pwrsave to 1 by default. Signed-off-by: Sujith Manoharan --- drivers/net/wireless/ath/ath9k/ar9003_hw.c | 10 +++++----- drivers/net/wireless/ath/ath9k/hw.h | 2 +- drivers/net/wireless/ath/ath9k/init.c | 8 +++++++- 3 files changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_hw.c b/drivers/net/wireless/ath/ath9k/ar9003_hw.c index 4335ccb..ea33f8d 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_hw.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_hw.c @@ -195,16 +195,16 @@ static void ar9003_hw_init_mode_regs(struct ath_hw *ah) INIT_INI_ARRAY(&ah->iniCckfirJapan2484, ar9485_1_1_baseband_core_txfir_coeff_japan_2484); - if (ah->config.no_pll_pwrsave) { + if (ah->config.pll_pwrsave & AR_PCIE_PLL_PWRSAVE_CONTROL) { INIT_INI_ARRAY(&ah->iniPcieSerdes, - ar9485_1_1_pcie_phy_clkreq_disable_L1); + ar9485_1_1_pll_on_cdr_on_clkreq_disable_L1); INIT_INI_ARRAY(&ah->iniPcieSerdesLowPower, - ar9485_1_1_pcie_phy_clkreq_disable_L1); + ar9485_1_1_pll_on_cdr_on_clkreq_disable_L1); } else { INIT_INI_ARRAY(&ah->iniPcieSerdes, - ar9485_1_1_pll_on_cdr_on_clkreq_disable_L1); + ar9485_1_1_pcie_phy_clkreq_disable_L1); INIT_INI_ARRAY(&ah->iniPcieSerdesLowPower, - ar9485_1_1_pll_on_cdr_on_clkreq_disable_L1); + ar9485_1_1_pcie_phy_clkreq_disable_L1); } } else if (AR_SREV_9462_21(ah)) { INIT_INI_ARRAY(&ah->iniMac[ATH_INI_CORE], diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 2bb3b33..e124ee2 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -341,7 +341,7 @@ struct ath9k_ops_config { u32 ant_ctrl_comm2g_switch_enable; bool xatten_margin_cfg; bool alt_mingainidx; - bool no_pll_pwrsave; + bool pll_pwrsave; bool tx_gain_buffalo; bool led_active_high; }; diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 6c6e884..ca66fab 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -437,8 +437,14 @@ static void ath9k_init_pcoem_platform(struct ath_softc *sc) ath_info(common, "Enable WAR for ASPM D3/L1\n"); } + /* + * The default value of pll_pwrsave is 1. + * For certain AR9485 cards, it is set to 0. + */ + ah->config.pll_pwrsave = 1; + if (sc->driver_data & ATH9K_PCI_NO_PLL_PWRSAVE) { - ah->config.no_pll_pwrsave = true; + ah->config.pll_pwrsave = 0; ath_info(common, "Disable PLL PowerSave\n"); }