Return-path: Received: from rtits2.realtek.com ([211.75.126.72]:54051 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750794AbeAQGPv (ORCPT ); Wed, 17 Jan 2018 01:15:51 -0500 From: To: CC: , , Subject: [PATCH v3 02/10] rtlwifi: fix scan channel 1 fail after IPS Date: Wed, 17 Jan 2018 14:15:22 +0800 Message-ID: <20180117061530.30049-3-pkshih@realtek.com> (sfid-20180117_071620_514615_7B32B14B) In-Reply-To: <20180117061530.30049-1-pkshih@realtek.com> References: <20180117061530.30049-1-pkshih@realtek.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Ping-Ke Shih If there is no connection, driver will enter IPS state. Meanwhile, it fails to scan channel 1 by the command 'iw dev wlan0 scan freq 2412', because hardware channel setting lose after IPS. Thus, restore channel setting from hw->conf.channel set by last rtl_op_config(). Signed-off-by: Tim Lee Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtlwifi/ps.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/ps.c b/drivers/net/wireless/realtek/rtlwifi/ps.c index 6a4008845f49..71af24e2e051 100644 --- a/drivers/net/wireless/realtek/rtlwifi/ps.c +++ b/drivers/net/wireless/realtek/rtlwifi/ps.c @@ -51,6 +51,11 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw) &rtlmac->retry_long); RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC); + rtlpriv->cfg->ops->switch_channel(hw); + rtlpriv->cfg->ops->set_channel_access(hw); + rtlpriv->cfg->ops->set_bw_mode(hw, + cfg80211_get_chandef_type(&hw->conf.chandef)); + /*<3> Enable Interrupt */ rtlpriv->cfg->ops->enable_interrupt(hw); -- 2.15.1