From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8AFCAECE58B for ; Wed, 2 Oct 2019 02:31:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6D2DB20B7C for ; Wed, 2 Oct 2019 02:31:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729784AbfJBCbk (ORCPT ); Tue, 1 Oct 2019 22:31:40 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:46004 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729348AbfJBCbk (ORCPT ); Tue, 1 Oct 2019 22:31:40 -0400 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID x922VYw7031839, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (RTITCASV01.realtek.com.tw[172.21.6.18]) by rtits2.realtek.com.tw (8.15.2/2.57/5.78) with ESMTPS id x922VYw7031839 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 2 Oct 2019 10:31:34 +0800 Received: from localhost.localdomain (172.21.68.126) by RTITCASV01.realtek.com.tw (172.21.6.18) with Microsoft SMTP Server id 14.3.468.0; Wed, 2 Oct 2019 10:31:33 +0800 From: To: CC: , Subject: [PATCH v2 04/12] rtw88: not to control LPS by each vif Date: Wed, 2 Oct 2019 10:31:20 +0800 Message-ID: <20191002023128.12090-5-yhchuang@realtek.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191002023128.12090-1-yhchuang@realtek.com> References: <20191002023128.12090-1-yhchuang@realtek.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.21.68.126] Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Yan-Hsuan Chuang The original design of LPS enter/leave routines allows to control the LPS state by each interface. But the hardware cannot actually handle it that way. This means the hardware can only enter LPS once with an associated port, so there is no need to keep tracking the state of each vif. Hence the logic of enter/leave LPS state can be simple, just to check the state of the device's flag. And for leaving LPS state, it will get the same port id to send to inform the hardware. Signed-off-by: Yan-Hsuan Chuang --- v1 -> v2 - rebase on top of wireless-drivers-next drivers/net/wireless/realtek/rtw88/coex.c | 10 ++-------- drivers/net/wireless/realtek/rtw88/mac80211.c | 2 +- drivers/net/wireless/realtek/rtw88/main.c | 4 ++-- drivers/net/wireless/realtek/rtw88/main.h | 2 -- drivers/net/wireless/realtek/rtw88/ps.c | 19 +++++-------------- drivers/net/wireless/realtek/rtw88/ps.h | 4 ++-- 6 files changed, 12 insertions(+), 29 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/coex.c b/drivers/net/wireless/realtek/rtw88/coex.c index 4a0b569a6c6b..9d8cbd91e5ff 100644 --- a/drivers/net/wireless/realtek/rtw88/coex.c +++ b/drivers/net/wireless/realtek/rtw88/coex.c @@ -810,8 +810,6 @@ static void rtw_coex_ignore_wlan_act(struct rtw_dev *rtwdev, bool enable) static void rtw_coex_power_save_state(struct rtw_dev *rtwdev, u8 ps_type, u8 lps_val, u8 rpwm_val) { - struct rtw_lps_conf *lps_conf = &rtwdev->lps_conf; - struct rtw_vif *rtwvif; struct rtw_coex *coex = &rtwdev->coex; struct rtw_coex_stat *coex_stat = &coex->stat; u8 lps_mode = 0x0; @@ -823,18 +821,14 @@ static void rtw_coex_power_save_state(struct rtw_dev *rtwdev, u8 ps_type, /* recover to original 32k low power setting */ coex_stat->wl_force_lps_ctrl = false; - rtwvif = lps_conf->rtwvif; - if (rtwvif && rtw_in_lps(rtwdev)) - rtw_leave_lps(rtwdev, rtwvif); + rtw_leave_lps(rtwdev); break; case COEX_PS_LPS_OFF: coex_stat->wl_force_lps_ctrl = true; if (lps_mode) rtw_fw_coex_tdma_type(rtwdev, 0x8, 0, 0, 0, 0); - rtwvif = lps_conf->rtwvif; - if (rtwvif && rtw_in_lps(rtwdev)) - rtw_leave_lps(rtwdev, rtwvif); + rtw_leave_lps(rtwdev); break; default: break; diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c index 6d5cce09eb14..66c05c492587 100644 --- a/drivers/net/wireless/realtek/rtw88/mac80211.c +++ b/drivers/net/wireless/realtek/rtw88/mac80211.c @@ -464,7 +464,7 @@ static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; u32 config = 0; - rtw_leave_lps(rtwdev, rtwvif); + rtw_leave_lps(rtwdev); mutex_lock(&rtwdev->mutex); diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index 22fc5d6f6b62..85d83f154f71 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -181,9 +181,9 @@ static void rtw_watch_dog_work(struct work_struct *work) */ if (rtw_fw_support_lps && data.rtwvif && !data.active && data.assoc_cnt == 1) - rtw_enter_lps(rtwdev, data.rtwvif); + rtw_enter_lps(rtwdev, data.rtwvif->port); else - rtw_leave_lps(rtwdev, rtwdev->lps_conf.rtwvif); + rtw_leave_lps(rtwdev); if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) return; diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h index 0955970d6f4d..8472134c65b7 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -533,8 +533,6 @@ enum rtw_pwr_state { }; struct rtw_lps_conf { - /* the interface to enter lps */ - struct rtw_vif *rtwvif; enum rtw_lps_mode mode; enum rtw_pwr_state state; u8 awake_interval; diff --git a/drivers/net/wireless/realtek/rtw88/ps.c b/drivers/net/wireless/realtek/rtw88/ps.c index ffba3bd7bb31..a1541774cf0d 100644 --- a/drivers/net/wireless/realtek/rtw88/ps.c +++ b/drivers/net/wireless/realtek/rtw88/ps.c @@ -96,36 +96,27 @@ bool rtw_in_lps(struct rtw_dev *rtwdev) return test_bit(RTW_FLAG_LEISURE_PS, rtwdev->flags); } -void rtw_enter_lps(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) +void rtw_enter_lps(struct rtw_dev *rtwdev, u8 port_id) { struct rtw_lps_conf *conf = &rtwdev->lps_conf; - if (WARN_ON(!rtwvif)) - return; - - if (rtwvif->in_lps) + if (test_bit(RTW_FLAG_LEISURE_PS, rtwdev->flags)) return; conf->mode = RTW_MODE_LPS; - conf->rtwvif = rtwvif; - rtwvif->in_lps = true; + conf->port_id = port_id; rtw_enter_lps_core(rtwdev); } -void rtw_leave_lps(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) +void rtw_leave_lps(struct rtw_dev *rtwdev) { struct rtw_lps_conf *conf = &rtwdev->lps_conf; - if (WARN_ON(!rtwvif)) - return; - - if (!rtwvif->in_lps) + if (!test_bit(RTW_FLAG_LEISURE_PS, rtwdev->flags)) return; conf->mode = RTW_MODE_ACTIVE; - conf->rtwvif = rtwvif; - rtwvif->in_lps = false; rtw_leave_lps_core(rtwdev); } diff --git a/drivers/net/wireless/realtek/rtw88/ps.h b/drivers/net/wireless/realtek/rtw88/ps.h index 0ac6c2983a06..d2aae613bca4 100644 --- a/drivers/net/wireless/realtek/rtw88/ps.h +++ b/drivers/net/wireless/realtek/rtw88/ps.h @@ -10,8 +10,8 @@ int rtw_enter_ips(struct rtw_dev *rtwdev); int rtw_leave_ips(struct rtw_dev *rtwdev); -void rtw_enter_lps(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif); -void rtw_leave_lps(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif); +void rtw_enter_lps(struct rtw_dev *rtwdev, u8 port_id); +void rtw_leave_lps(struct rtw_dev *rtwdev); bool rtw_in_lps(struct rtw_dev *rtwdev); #endif -- 2.17.1