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=-7.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 1F4BCC46464 for ; Tue, 6 Nov 2018 03:50:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D109720818 for ; Tue, 6 Nov 2018 03:50:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=cypress.com header.i=@cypress.com header.b="PIySf8TQ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D109720818 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=cypress.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387439AbeKFNNp (ORCPT ); Tue, 6 Nov 2018 08:13:45 -0500 Received: from mail-eopbgr810120.outbound.protection.outlook.com ([40.107.81.120]:58734 "EHLO NAM01-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2387399AbeKFNNp (ORCPT ); Tue, 6 Nov 2018 08:13:45 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cypress.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=WG8GXk1ojICSUNbxz8B5PVaj87oNeqBNR4QhZ3PMUwY=; b=PIySf8TQM2gBCxnawV/LD+cgqok49uPTJHRQqG5Z+Ei67XVQw0BREofnT48mx7XdqKIhdLt1Y4ziBIJNrglRAjdGOy+IbvNd2atdMXWSW7Gm3UPjcfcA9q704gE1nQ2NX/De80ZRmTEiUHpYhx1NBfg+BYl/rqYEQj3n1HWK19I= Received: from BY1PR0601MB1436.namprd06.prod.outlook.com (10.162.111.23) by BY1PR0601MB1142.namprd06.prod.outlook.com (10.160.196.153) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1273.27; Tue, 6 Nov 2018 03:50:25 +0000 Received: from BY1PR0601MB1436.namprd06.prod.outlook.com ([fe80::199f:c63e:1449:1979]) by BY1PR0601MB1436.namprd06.prod.outlook.com ([fe80::199f:c63e:1449:1979%3]) with mapi id 15.20.1294.032; Tue, 6 Nov 2018 03:50:25 +0000 From: Chi-Hsien Lin To: "linux-wireless@vger.kernel.org" CC: "brcm80211-dev-list@broadcom.com" , brcm80211-dev-list , Arend van Spriel , Franky Lin , Hante Meuleman , Wright Feng , Kalle Valo , Naveen Gupta , Chi-Hsien Lin Subject: [PATCH 07/11] brcmfmac: update 43012 F2 watermark setting to fix DMA Error during UDP RX Traffic Thread-Topic: [PATCH 07/11] brcmfmac: update 43012 F2 watermark setting to fix DMA Error during UDP RX Traffic Thread-Index: AQHUdYPZzStu3GHwkEOrMvogUZIZtA== Date: Tue, 6 Nov 2018 03:50:24 +0000 Message-ID: <1541476188-75475-8-git-send-email-chi-hsien.lin@cypress.com> References: <1541476188-75475-1-git-send-email-chi-hsien.lin@cypress.com> In-Reply-To: <1541476188-75475-1-git-send-email-chi-hsien.lin@cypress.com> Accept-Language: en-US, zh-TW Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [12.110.209.245] x-clientproxiedby: MWHPR2201CA0082.namprd22.prod.outlook.com (2603:10b6:301:5e::35) To BY1PR0601MB1436.namprd06.prod.outlook.com (2a01:111:e400:522c::23) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Chi-Hsien.Lin@cypress.com; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;BY1PR0601MB1142;6:YvispQlkHdw2q/noO0hg8Ys58P8MsO0ZSWf1C3GNGqpGs1iKngG+eT99i4+uAROGEpTYnGeGQXH9oSFM+l11IyHN8qcLnb5nqGE4vaK1sMZso7uBzYc9grvpnxYejUBtOeJQ6RsFSuQ1T8DXNINFYPPj4h9x2SzxWpwGER9AvhYquYI33ckbbJDFSSW2V4lXB2NrmLuqcuHymO2k2ymxxjyj71FNL78eaB+4HzP52k0lEN8gydpYCw8qeSkfZ+ISMRazNoy1DGrKzPcwcbkpJlXKk6CP8xFkt5vCQR/BRq6kojqIIaipXQBLsE4R3UWYkqgWlJutVWxJERj83tqj5rK1Od232wZEBXs/+2tcgFxxtCQffmaQPLgd36t0/P7AgsG3Mq9TF7AT3hbCvrHbknLSXJdABIqFavxf+sC2ucXp7lUaMdkghtd+EHK+2cTxyI0XTJ0XAvERhDH2tFaxMw==;5:x/ddJ6l5Zs5ee9quE6zfdZ0XyOUcz0gNQ0oEmxJ0lydqNvoVZB1eOyL45NTMb7EmowRrpabO4MWWF/AJzkeDaDmqaoXja/RWb+LWu0kRfooGtNqB6KY30VICdTxujwZGazbRin4Av/QfNUY9mPrDAYM8ygATgXU063gvkmdi2ic=;7:kkJZzep5aVEIIq50EuynDqQuUWVsrYxIVNd1B/fSyH/QOGI/wzNqsJ5vMu/bUFeaVLI4c1/a0ff0n7DogyHPr3/QO8PjhOqQdQSHEi++fgk47MrjpMjaIIzRChVau4rXPoewnSzyQxI1qeNeiXmhNQ== x-ms-office365-filtering-correlation-id: 48d49869-0a2a-4248-5765-08d6439afb82 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989299)(5600074)(711020)(4618075)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7153060)(7193020);SRVR:BY1PR0601MB1142; x-ms-traffictypediagnostic: BY1PR0601MB1142: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(258095267146985); x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(8121501046)(5005006)(93006095)(93001095)(10201501046)(3002001)(3231382)(944501410)(52105095)(6055026)(148016)(149066)(150057)(6041310)(20161123560045)(20161123562045)(20161123558120)(20161123564045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(201708071742011)(7699051)(76991095);SRVR:BY1PR0601MB1142;BCL:0;PCL:0;RULEID:;SRVR:BY1PR0601MB1142; x-forefront-prvs: 0848C1A6AA x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(136003)(396003)(376002)(366004)(39860400002)(346002)(199004)(189003)(6506007)(36756003)(386003)(102836004)(186003)(2906002)(6916009)(8936002)(54906003)(5660300001)(81156014)(5640700003)(81166006)(14454004)(26005)(8676002)(476003)(486006)(2351001)(2616005)(446003)(97736004)(11346002)(6436002)(106356001)(105586002)(6512007)(256004)(6486002)(4326008)(3846002)(6116002)(7736002)(68736007)(99286004)(72206003)(53936002)(305945005)(76176011)(66066001)(2501003)(107886003)(86362001)(316002)(71200400001)(71190400001)(52116002)(25786009)(478600001)(2900100001);DIR:OUT;SFP:1102;SCL:1;SRVR:BY1PR0601MB1142;H:BY1PR0601MB1436.namprd06.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: cypress.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: kl5Sv76Bsn4+aEgNIJLPliMwnSAghGRHm+wpjIo7Ve6JoCMv17Z+iC4/hqZ2isVUvPgD8OJDFhvGn+iqh1/pHbWMog/VPhmTlG/UsvNxWlDzytSP1KoSfirwAHtvbuuXsGoW4IZIf0tqI4RwwX+A1Cv/zOYYLj+zwhxZIt8VCI/8r13nRT1jTh60BIKGWssXApyGbLYObkObU1Dq1+97UXnHGbRYBXOBpmHXerosaEm0BAiTrUDZUvy/VTWOgZG2gIMJzlcbB/SlrLHnzJHfcGslp31wy11OCnEfaXuC2E2a0rVZC3xFZoibowk+I8jP1pHdvNhsDUiS7QXWt+5/wQXx+/OVmQ5MRXjLUrcYrIQ= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: cypress.com X-MS-Exchange-CrossTenant-Network-Message-Id: 48d49869-0a2a-4248-5765-08d6439afb82 X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Nov 2018 03:50:24.8265 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 011addfc-2c09-450d-8938-e0bbc2dd2376 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY1PR0601MB1142 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Naveen Gupta The number of words that the read FIFO has to contain except the end of frame before sends data back to the host. Max watermark =3D (512B - 2* (BurstLength))/4 =3D (512 - 128)/4 =3D 384/4 =3D 0x60 so if burst length (i.e. BurstLength =3D 64) is increased, watermark has to be reduced. This is the optimal setting for this chip. Signed-off-by: Naveen Gupta Signed-off-by: Chi-Hsien Lin --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/driv= ers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index a32eb5f868b5..e7ee144dc5dd 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -52,6 +52,7 @@ #define DEFAULT_F2_WATERMARK 0x8 #define CY_4373_F2_WATERMARK 0x40 #define CY_4373_F1_MESBUSYCTRL (CY_4373_F2_WATERMARK | SBSDIO_MESBUSYCTRL= _ENAB) +#define CY_43012_F2_WATERMARK 0x60 =20 #ifdef DEBUG =20 @@ -4162,6 +4163,17 @@ static void brcmf_sdio_firmware_callback(struct devi= ce *dev, int err, brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL, CY_4373_F1_MESBUSYCTRL, &err); break; + case SDIO_DEVICE_ID_CYPRESS_43012: + brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n", + CY_43012_F2_WATERMARK); + brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK, + CY_43012_F2_WATERMARK, &err); + devctl =3D brcmf_sdiod_readb(sdiod, SBSDIO_DEVICE_CTL, + &err); + devctl |=3D SBSDIO_DEVCTL_F2WM_ENAB; + brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl, + &err); + break; default: brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK, DEFAULT_F2_WATERMARK, &err); --=20 2.1.0