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=-8.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 9FB5AC31E4B for ; Fri, 14 Jun 2019 07:24:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7F5A82073F for ; Fri, 14 Jun 2019 07:24:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726660AbfFNHYa (ORCPT ); Fri, 14 Jun 2019 03:24:30 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:48179 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726552AbfFNHY3 (ORCPT ); Fri, 14 Jun 2019 03:24:29 -0400 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID x5E7OO9s024954, 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 x5E7OO9s024954 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 14 Jun 2019 15:24:25 +0800 Received: from localhost.localdomain (172.21.68.126) by RTITCASV01.realtek.com.tw (172.21.6.18) with Microsoft SMTP Server id 14.3.439.0; Fri, 14 Jun 2019 15:24:24 +0800 From: To: CC: Subject: [PATCH v2 08/11] rtw88: power on again if it was already on Date: Fri, 14 Jun 2019 15:24:12 +0800 Message-ID: <1560497055-17197-9-git-send-email-yhchuang@realtek.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1560497055-17197-1-git-send-email-yhchuang@realtek.com> References: <1560497055-17197-1-git-send-email-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 We could fail to power on because it was already on. If the return value is -EALREADY, power off and then power on again to turn on the hardware as expected. Signed-off-by: Yan-Hsuan Chuang --- drivers/net/wireless/realtek/rtw88/mac.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c index 25a923b..fc14b37 100644 --- a/drivers/net/wireless/realtek/rtw88/mac.c +++ b/drivers/net/wireless/realtek/rtw88/mac.c @@ -285,8 +285,14 @@ int rtw_mac_power_on(struct rtw_dev *rtwdev) goto err; ret = rtw_mac_power_switch(rtwdev, true); - if (ret) + if (ret == -EALREADY) { + rtw_mac_power_switch(rtwdev, false); + ret = rtw_mac_power_switch(rtwdev, true); + if (ret) + goto err; + } else if (ret) { goto err; + } ret = rtw_mac_init_system_cfg(rtwdev); if (ret) -- 2.7.4