From patchwork Mon May 8 08:43:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 680201 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC1AEC77B75 for ; Mon, 8 May 2023 08:44:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233230AbjEHIoJ (ORCPT ); Mon, 8 May 2023 04:44:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233221AbjEHIoH (ORCPT ); Mon, 8 May 2023 04:44:07 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0822421558 for ; Mon, 8 May 2023 01:44:01 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 3488hnOM3008152, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 3488hnOM3008152 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Mon, 8 May 2023 16:43:49 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.32; Mon, 8 May 2023 16:43:55 +0800 Received: from [127.0.1.1] (172.21.69.188) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Mon, 8 May 2023 16:43:54 +0800 From: Ping-Ke Shih To: CC: , , Subject: [PATCH 3/3] wifi: rtw89: suppress the log for specific SER called CMDPSR_FRZTO Date: Mon, 8 May 2023 16:43:35 +0800 Message-ID: <20230508084335.42953-4-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230508084335.42953-1-pkshih@realtek.com> References: <20230508084335.42953-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.69.188] X-ClientProxiedBy: RTEXMBS02.realtek.com.tw (172.21.6.95) To RTEXMBS04.realtek.com.tw (172.21.6.97) X-KSE-ServerInfo: RTEXMBS04.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-ServerInfo: RTEXH36505.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Chin-Yen Lee For 8852CE, there is abnormal state called CMDPSR_FRZTO, which occasionally happens in some platforms, and could be found by firmware and fixed in current SER flow, so we add suppress function to avoid verbose message for this resolved case. Signed-off-by: Chin-Yen Lee Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/core.h | 1 + drivers/net/wireless/realtek/rtw89/mac.c | 36 +++++++++++++++++++++++ 2 files changed, 37 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index b71827751848a..154fec1a231d1 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -3939,6 +3939,7 @@ enum rtw89_ser_rcvy_step { RTW89_SER_DRV_STOP_RX, RTW89_SER_DRV_STOP_RUN, RTW89_SER_HAL_STOP_DMA, + RTW89_SER_SUPPRESS_LOG, RTW89_NUM_OF_SER_FLAGS }; diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index e5996a94c0def..acba53cf7cc31 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -644,6 +644,39 @@ static void rtw89_mac_dump_err_status(struct rtw89_dev *rtwdev, rtw89_info(rtwdev, "<---\n"); } +static bool rtw89_mac_suppress_log(struct rtw89_dev *rtwdev, u32 err) +{ + struct rtw89_ser *ser = &rtwdev->ser; + u32 dmac_err, imr, isr; + int ret; + + if (rtwdev->chip->chip_id == RTL8852C) { + ret = rtw89_mac_check_mac_en(rtwdev, 0, RTW89_DMAC_SEL); + if (ret) + return true; + + if (err == MAC_AX_ERR_L1_ERR_DMAC) { + dmac_err = rtw89_read32(rtwdev, R_AX_DMAC_ERR_ISR); + imr = rtw89_read32(rtwdev, R_AX_TXPKTCTL_B0_ERRFLAG_IMR); + isr = rtw89_read32(rtwdev, R_AX_TXPKTCTL_B0_ERRFLAG_ISR); + + if ((dmac_err & B_AX_TXPKTCTRL_ERR_FLAG) && + ((isr & imr) & B_AX_B0_ISR_ERR_CMDPSR_FRZTO)) { + set_bit(RTW89_SER_SUPPRESS_LOG, ser->flags); + return true; + } + } else if (err == MAC_AX_ERR_L1_RESET_DISABLE_DMAC_DONE) { + if (test_bit(RTW89_SER_SUPPRESS_LOG, ser->flags)) + return true; + } else if (err == MAC_AX_ERR_L1_RESET_RECOVERY_DONE) { + if (test_and_clear_bit(RTW89_SER_SUPPRESS_LOG, ser->flags)) + return true; + } + } + + return false; +} + u32 rtw89_mac_get_err_status(struct rtw89_dev *rtwdev) { u32 err, err_scnr; @@ -667,6 +700,9 @@ u32 rtw89_mac_get_err_status(struct rtw89_dev *rtwdev) else if (err_scnr == RTW89_RXI300_ERROR) err = MAC_AX_ERR_RXI300; + if (rtw89_mac_suppress_log(rtwdev, err)) + return err; + rtw89_fw_st_dbg_dump(rtwdev); rtw89_mac_dump_err_status(rtwdev, err);