From patchwork Fri Oct 17 08:53:40 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huang Rui X-Patchwork-Id: 5096131 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 3A6419F38C for ; Fri, 17 Oct 2014 09:17:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6A51B201F5 for ; Fri, 17 Oct 2014 09:17:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7845C20166 for ; Fri, 17 Oct 2014 09:17:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753162AbaJQJQB (ORCPT ); Fri, 17 Oct 2014 05:16:01 -0400 Received: from [65.55.169.142] ([65.55.169.142]:1880 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752197AbaJQJP6 (ORCPT ); Fri, 17 Oct 2014 05:15:58 -0400 Received: from BLUPR02CA052.namprd02.prod.outlook.com (25.160.23.170) by BY2PR02MB201.namprd02.prod.outlook.com (10.242.232.12) with Microsoft SMTP Server (TLS) id 15.0.1049.19; Fri, 17 Oct 2014 09:00:35 +0000 Received: from BY2FFO11FD052.protection.gbl (2a01:111:f400:7c0c::138) by BLUPR02CA052.outlook.office365.com (2a01:111:e400:8ad::42) with Microsoft SMTP Server (TLS) id 15.0.1054.13 via Frontend Transport; Fri, 17 Oct 2014 09:00:34 +0000 Received: from atltwp02.amd.com (165.204.84.222) by BY2FFO11FD052.mail.protection.outlook.com (10.1.15.189) with Microsoft SMTP Server id 15.0.1039.16 via Frontend Transport; Fri, 17 Oct 2014 09:00:33 +0000 X-WSS-ID: 0NDKZOT-08-TO5-02 X-M-MSG: Received: from satlvexedge02.amd.com (satlvexedge02.amd.com [10.177.96.29]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by atltwp02.amd.com (Axway MailGate 5.3.1) with ESMTPS id 2BEFFD1600B; Fri, 17 Oct 2014 04:00:28 -0500 (CDT) Received: from SATLEXDAG02.amd.com (10.181.40.5) by SATLVEXEDGE02.amd.com (10.177.96.29) with Microsoft SMTP Server (TLS) id 14.3.195.1; Fri, 17 Oct 2014 04:00:36 -0500 Received: from SCYBEXDAG03.amd.com (10.34.11.13) by SATLEXDAG02.amd.com (10.181.40.5) with Microsoft SMTP Server (TLS) id 14.3.195.1; Fri, 17 Oct 2014 05:00:31 -0400 Received: from hr-ub.amd.com (10.237.75.143) by SCYBEXDAG03.amd.com (10.34.11.13) with Microsoft SMTP Server id 14.3.195.1; Fri, 17 Oct 2014 17:00:30 +0800 From: Huang Rui To: Felipe Balbi , Alan Stern , Bjorn Helgaas , Greg Kroah-Hartman CC: Paul Zimmerman , Heikki Krogerus , Vincent Wan , Tony Li , , , , Huang Rui Subject: [PATCH v2 15/16] usb: dwc3: add tx demphasis quirk Date: Fri, 17 Oct 2014 16:53:40 +0800 Message-ID: <1413536021-4886-16-git-send-email-ray.huang@amd.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1413536021-4886-1-git-send-email-ray.huang@amd.com> References: <1413536021-4886-1-git-send-email-ray.huang@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:165.204.84.222; CTRY:US; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(428002)(189002)(199003)(97736003)(50226001)(76176999)(102836001)(53416004)(92726001)(86362001)(44976005)(62966002)(31966008)(20776003)(68736004)(101416001)(19580405001)(19580395003)(47776003)(575784001)(92566001)(105586002)(77096002)(93916002)(84676001)(64706001)(36756003)(229853001)(87286001)(87936001)(88136002)(85306004)(85852003)(4396001)(120916001)(104166001)(77156001)(89996001)(80022003)(46102003)(95666004)(76482002)(48376002)(107046002)(50466002)(99396003)(21056001)(50986999)(33646002)(106466001)(2171001); DIR:OUT; SFP:1102; SCL:1; SRVR:BY2PR02MB201; H:atltwp02.amd.com; FPR:; MLV:sfv; PTR:InfoDomainNonexistent; MX:1; A:1; LANG:; X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BY2PR02MB201; X-Exchange-Antispam-Report-Test: UriScan:; X-Forefront-PRVS: 0367A50BB1 Received-SPF: None (protection.outlook.com: amd.com does not designate permitted sender hosts) Authentication-Results: spf=none (sender IP is 165.204.84.222) smtp.mailfrom=Ray.Huang@amd.com; X-OriginatorOrg: amd4.onmicrosoft.com Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP AMD NL needs to enable Tx Deemphasis quirk. Signed-off-by: Huang Rui --- drivers/usb/dwc3/core.c | 3 +++ drivers/usb/dwc3/core.h | 2 ++ drivers/usb/dwc3/dwc3-pci.c | 3 ++- drivers/usb/dwc3/platform_data.h | 1 + 4 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index f3c9699..3ccfe41 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -392,6 +392,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) if (dwc->quirks & DWC3_QUIRK_RX_DETOPOLL) reg |= DWC3_GUSB3PIPECTL_RX_DETOPOLL; + if (dwc->quirks & DWC3_QUIRK_TX_DEEPH) + reg |= DWC3_GUSB3PIPECTL_TX_DEEPH(1); + dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); mdelay(100); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 1952759..1b137f4 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -184,6 +184,8 @@ #define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17) #define DWC3_GUSB3PIPECTL_LFPSFILT (1 << 9) #define DWC3_GUSB3PIPECTL_RX_DETOPOLL (1 << 8) +#define DWC3_GUSB3PIPECTL_TX_DEEPH_MASK DWC3_GUSB3PIPECTL_TX_DEEPH(3) +#define DWC3_GUSB3PIPECTL_TX_DEEPH(n) ((n) << 1) /* Global TX Fifo Size Register */ #define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff) diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 6f789fd..146eb2f 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -156,7 +156,8 @@ static int dwc3_pci_probe(struct pci_dev *pci, | DWC3_QUIRK_DEPP1P2P3 | DWC3_QUIRK_DEPOCHANGE | DWC3_QUIRK_LFPSFILT - | DWC3_QUIRK_RX_DETOPOLL; + | DWC3_QUIRK_RX_DETOPOLL + | DWC3_QUIRK_TX_DEEPH; } ret = platform_device_add_resources(dwc3, res, ARRAY_SIZE(res)); diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h index 5df3419..54f0e45 100644 --- a/drivers/usb/dwc3/platform_data.h +++ b/drivers/usb/dwc3/platform_data.h @@ -37,5 +37,6 @@ struct dwc3_platform_data { #define DWC3_QUIRK_DEPOCHANGE (1 << 6) #define DWC3_QUIRK_LFPSFILT (1 << 7) #define DWC3_QUIRK_RX_DETOPOLL (1 << 8) +#define DWC3_QUIRK_TX_DEEPH (1 << 9) };