Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755640AbaJ1L5J (ORCPT ); Tue, 28 Oct 2014 07:57:09 -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 X-WSS-ID: 0NE5L6W-07-BH8-02 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 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 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)(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 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 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; -- 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/