From: Sujith Manoharan Date: Mon, 9 Mar 2015 08:50:07 +0000 (+0530) Subject: ath9k: Fix PLL powersave for AR9485 X-Git-Tag: v4.14-rc1~5592^2~95^2~97 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=afa7e6dbd91d3d9e18d224116353087082479dc5;p=platform%2Fkernel%2Flinux-rpi.git ath9k: Fix PLL powersave for AR9485 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 Signed-off-by: Kalle Valo --- 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"); }