From patchwork Tue Oct 28 11:54:36 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huang Rui X-Patchwork-Id: 5176071 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 5E3DAC11AC for ; Tue, 28 Oct 2014 11:58:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 86CF120211 for ; Tue, 28 Oct 2014 11:58:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8FC91201F2 for ; Tue, 28 Oct 2014 11:58:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755605AbaJ1L5H (ORCPT ); Tue, 28 Oct 2014 07:57:07 -0400 Received: from mail-bl2on0142.outbound.protection.outlook.com ([65.55.169.142]:21051 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754613AbaJ1L5D (ORCPT ); Tue, 28 Oct 2014 07:57:03 -0400 Received: from BLUPR02CA045.namprd02.prod.outlook.com (25.160.23.163) by BY2PR02MB204.namprd02.prod.outlook.com (10.242.232.26) with Microsoft SMTP Server (TLS) id 15.0.1054.13; Tue, 28 Oct 2014 11:56:59 +0000 Received: from BL2FFO11FD040.protection.gbl (2a01:111:f400:7c09::125) by BLUPR02CA045.outlook.office365.com (2a01:111:e400:8ad::35) with Microsoft SMTP Server (TLS) id 15.1.6.9 via Frontend Transport; Tue, 28 Oct 2014 11:56:58 +0000 Received: from atltwp01.amd.com (165.204.84.221) by BL2FFO11FD040.mail.protection.outlook.com (10.173.161.136) with Microsoft SMTP Server id 15.0.1049.20 via Frontend Transport; Tue, 28 Oct 2014 11:56:57 +0000 X-WSS-ID: 0NE5L6W-07-BH8-02 X-M-MSG: Received: from satlvexedge01.amd.com (satlvexedge01.amd.com [10.177.96.28]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by atltwp01.amd.com (Axway MailGate 5.3.1) with ESMTPS id 21A79CAE61D; Tue, 28 Oct 2014 06:56:56 -0500 (CDT) Received: from SATLEXDAG04.amd.com (10.181.40.9) by satlvexedge01.amd.com (10.177.96.28) with Microsoft SMTP Server (TLS) id 14.3.195.1; Tue, 28 Oct 2014 06:57:10 -0500 Received: from SCYBEXDAG02.amd.com (10.34.11.12) by satlexdag04.amd.com (10.181.40.9) with Microsoft SMTP Server (TLS) id 14.3.195.1; Tue, 28 Oct 2014 07:56:56 -0400 Received: from hr-ub.amd.com (10.237.75.143) by SCYBEXDAG02.amd.com (10.34.11.12) with Microsoft SMTP Server id 14.3.195.1; Tue, 28 Oct 2014 19:56:53 +0800 From: Huang Rui To: Felipe Balbi , Alan Stern , "Bjorn Helgaas" , Greg Kroah-Hartman CC: Paul Zimmerman , Heikki Krogerus , Jason Chang , "Vincent Wan" , Tony Li , , , , Huang Rui Subject: [PATCH v3 15/19] usb: dwc3: add disable usb3 suspend phy quirk Date: Tue, 28 Oct 2014 19:54:36 +0800 Message-ID: <1414497280-3126-16-git-send-email-ray.huang@amd.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1414497280-3126-1-git-send-email-ray.huang@amd.com> References: <1414497280-3126-1-git-send-email-ray.huang@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:165.204.84.221; CTRY:US; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(428002)(199003)(189002)(107046002)(92726001)(19580405001)(77096002)(44976005)(68736004)(4396001)(106466001)(76482002)(92566001)(93916002)(19580395003)(86362001)(50226001)(95666004)(105586002)(229853001)(87286001)(2171001)(84676001)(87936001)(33646002)(88136002)(120916001)(64706001)(89996001)(20776003)(85306004)(104166001)(85852003)(102836001)(31966008)(47776003)(97736003)(53416004)(101416001)(21056001)(48376002)(76176999)(80022003)(46102003)(50986999)(50466002)(62966002)(36756003)(77156001); DIR:OUT; SFP:1102; SCL:1; SRVR:BY2PR02MB204; H:atltwp01.amd.com; FPR:; MLV:sfv; PTR:InfoDomainNonexistent; A:1; MX:1; LANG:en; X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BY2PR02MB204; X-Exchange-Antispam-Report-Test: UriScan:; X-Forefront-PRVS: 0378F1E47A Received-SPF: None (protection.outlook.com: amd.com does not designate permitted sender hosts) Authentication-Results: spf=none (sender IP is 165.204.84.221) 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=-7.5 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 This patch adds disable usb3 suspend phy quirk, and some special platforms can configure that if it is needed. Signed-off-by: Huang Rui --- drivers/usb/dwc3/core.c | 6 ++++++ drivers/usb/dwc3/core.h | 2 ++ drivers/usb/dwc3/platform_data.h | 1 + 3 files changed, 9 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 7b5cd76..aec393b 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -404,6 +404,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) if (dwc->tx_deemph_quirk) reg |= DWC3_GUSB3PIPECTL_TX_DEEPH(dwc->tx_deemph); + if (dwc->dis_u3_susphy_quirk) + reg &= ~DWC3_GUSB3PIPECTL_SUSPHY; + dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); mdelay(100); @@ -807,6 +810,8 @@ static int dwc3_probe(struct platform_device *pdev) "snps,lfps_filter_quirk"); dwc->rx_detect_poll_quirk = of_property_read_bool(node, "snps,rx_detect_poll_quirk"); + dwc->dis_u3_susphy_quirk = of_property_read_bool(node, + "snps,dis_u3_susphy_quirk"); dwc->tx_deemph_quirk = of_property_read_bool(node, "snps,tx_deemph_quirk"); @@ -829,6 +834,7 @@ static int dwc3_probe(struct platform_device *pdev) dwc->del_phy_power_chg_quirk = pdata->del_phy_power_chg_quirk; dwc->lfps_filter_quirk = pdata->lfps_filter_quirk; dwc->rx_detect_poll_quirk = pdata->rx_detect_poll_quirk; + dwc->dis_u3_susphy_quirk = pdata->dis_u3_susphy_quirk; dwc->tx_deemph_quirk = pdata->tx_deemph_quirk; if (pdata->tx_deemph) diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 1277dcf..686d3b9 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -697,6 +697,7 @@ struct dwc3_scratchpad_array { * @del_phy_power_chg_quirk: set if we enable delay phy power change quirk * @lfps_filter_quirk: set if we enable LFPS filter quirk * @rx_detect_poll_quirk: set if we enable rx_detect to polling lfps quirk + * @dis_u3_susphy_quirk: set if we disable usb3 suspend phy * @tx_deemph_quirk: set if we enable Tx deemphasis quirk * @tx_deemph: Tx deemphasis value * 0 - -6dB de-emphasis @@ -818,6 +819,7 @@ struct dwc3 { unsigned del_phy_power_chg_quirk:1; unsigned lfps_filter_quirk:1; unsigned rx_detect_poll_quirk:1; + unsigned dis_u3_susphy_quirk:1; unsigned tx_deemph_quirk:1; unsigned tx_deemph:2; diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h index ea631dc..c8115c7 100644 --- a/drivers/usb/dwc3/platform_data.h +++ b/drivers/usb/dwc3/platform_data.h @@ -35,6 +35,7 @@ struct dwc3_platform_data { unsigned del_phy_power_chg_quirk:1; unsigned lfps_filter_quirk:1; unsigned rx_detect_poll_quirk:1; + unsigned dis_u3_susphy_quirk:1; unsigned tx_deemph_quirk:1; unsigned tx_deemph:2;