From patchwork Wed Jan 10 05:19:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 10154013 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0AD49602D8 for ; Wed, 10 Jan 2018 05:20:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EFE32209D8 for ; Wed, 10 Jan 2018 05:20:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E40D3223A6; Wed, 10 Jan 2018 05:20:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6E680209D8 for ; Wed, 10 Jan 2018 05:20:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753056AbeAJFUd (ORCPT ); Wed, 10 Jan 2018 00:20:33 -0500 Received: from rtits2.realtek.com ([211.75.126.72]:42895 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752957AbeAJFUc (ORCPT ); Wed, 10 Jan 2018 00:20:32 -0500 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID w0A5KJpe021444, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtitcas11.realtek.com.tw [172.21.6.12]) by rtits2.realtek.com.tw (8.15.2/2.57/5.78) with ESMTP id w0A5KJpe021444; Wed, 10 Jan 2018 13:20:19 +0800 Received: from RTITCASV01.realtek.com.tw (172.21.6.18) by RTITCAS11.realtek.com.tw (172.21.6.12) with Microsoft SMTP Server (TLS) id 14.3.351.0; Wed, 10 Jan 2018 13:20:19 +0800 Received: from localhost.localdomain (172.21.69.107) by RTITCASV01.realtek.com.tw (172.21.6.18) with Microsoft SMTP Server id 14.3.294.0; Wed, 10 Jan 2018 13:20:18 +0800 From: To: CC: , , Subject: [PATCH 02/10] rtlwifi: fix scan channel 1 fail after IPS Date: Wed, 10 Jan 2018 13:19:54 +0800 Message-ID: <20180110052002.9544-3-pkshih@realtek.com> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180110052002.9544-1-pkshih@realtek.com> References: <20180110052002.9544-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.69.107] Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 --- drivers/net/wireless/realtek/rtlwifi/ps.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/ps.c b/drivers/net/wireless/realtek/rtlwifi/ps.c index 6a4008845f49..0ffe43772c9a 100644 --- a/drivers/net/wireless/realtek/rtlwifi/ps.c +++ b/drivers/net/wireless/realtek/rtlwifi/ps.c @@ -51,6 +51,12 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw) &rtlmac->retry_long); RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC); + /*<2.1> Switch Channel & Bandwidth to last rtl_op_config setting*/ + 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);