Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755678AbaJ1L5P (ORCPT ); Tue, 28 Oct 2014 07:57:15 -0400 Received: from mail-bn1bon0145.outbound.protection.outlook.com ([157.56.111.145]:56672 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755621AbaJ1L5J (ORCPT ); Tue, 28 Oct 2014 07:57:09 -0400 X-WSS-ID: 0NE5L72-07-BHB-02 X-M-MSG: 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 16/19] usb: dwc3: add disable usb2 suspend phy quirk Date: Tue, 28 Oct 2014 19:54:37 +0800 Message-ID: <1414497280-3126-17-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 Content-Type: text/plain X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:165.204.84.221;CTRY:US;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(10019020)(6009001)(428002)(189002)(199003)(92726001)(93916002)(76482002)(86362001)(101416001)(33646002)(68736004)(87286001)(88136002)(104166001)(102836001)(62966002)(19580405001)(2171001)(89996001)(87936001)(21056001)(20776003)(50986999)(47776003)(64706001)(76176999)(85852003)(84676001)(19580395003)(77096002)(48376002)(53416004)(105586002)(106466001)(95666004)(4396001)(229853001)(107046002)(85306004)(31966008)(120916001)(44976005)(92566001)(50466002)(50226001)(77156001)(97736003)(36756003)(46102003)(80022003);DIR:OUT;SFP:1102;SCL:1;SRVR:CO1PR02MB207;H:atltwp01.amd.com;FPR:;MLV:sfv;PTR:InfoDomainNonexistent;MX:1;A:1;LANG:en; X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:CO1PR02MB207; X-Exchange-Antispam-Report-Test: UriScan:; X-Forefront-PRVS: 0378F1E47A Authentication-Results: spf=none (sender IP is 165.204.84.221) smtp.mailfrom=Ray.Huang@amd.com; X-OriginatorOrg: amd4.onmicrosoft.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds disable usb2 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 aec393b..33a8f3c 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -422,6 +422,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) if (dwc->revision > DWC3_REVISION_194A) reg |= DWC3_GUSB2PHYCFG_SUSPHY; + if (dwc->dis_u2_susphy_quirk) + reg &= ~DWC3_GUSB2PHYCFG_SUSPHY; + dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); mdelay(100); @@ -812,6 +815,8 @@ static int dwc3_probe(struct platform_device *pdev) "snps,rx_detect_poll_quirk"); dwc->dis_u3_susphy_quirk = of_property_read_bool(node, "snps,dis_u3_susphy_quirk"); + dwc->dis_u2_susphy_quirk = of_property_read_bool(node, + "snps,dis_u2_susphy_quirk"); dwc->tx_deemph_quirk = of_property_read_bool(node, "snps,tx_deemph_quirk"); @@ -835,6 +840,7 @@ static int dwc3_probe(struct platform_device *pdev) 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->dis_u2_susphy_quirk = pdata->dis_u2_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 686d3b9..8b94ad5 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -698,6 +698,7 @@ struct dwc3_scratchpad_array { * @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 + * @dis_u2_susphy_quirk: set if we disable usb2 suspend phy * @tx_deemph_quirk: set if we enable Tx deemphasis quirk * @tx_deemph: Tx deemphasis value * 0 - -6dB de-emphasis @@ -820,6 +821,7 @@ struct dwc3 { unsigned lfps_filter_quirk:1; unsigned rx_detect_poll_quirk:1; unsigned dis_u3_susphy_quirk:1; + unsigned dis_u2_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 c8115c7..1cfd384 100644 --- a/drivers/usb/dwc3/platform_data.h +++ b/drivers/usb/dwc3/platform_data.h @@ -36,6 +36,7 @@ struct dwc3_platform_data { unsigned lfps_filter_quirk:1; unsigned rx_detect_poll_quirk:1; unsigned dis_u3_susphy_quirk:1; + unsigned dis_u2_susphy_quirk:1; unsigned tx_deemph_quirk:1; unsigned tx_deemph:2; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/