Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752966AbaJQJPi (ORCPT ); Fri, 17 Oct 2014 05:15:38 -0400 Received: from [65.55.169.139] ([65.55.169.139]:51385 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751289AbaJQJPd (ORCPT ); Fri, 17 Oct 2014 05:15:33 -0400 X-WSS-ID: 0NDKZO8-07-HO1-02 X-M-MSG: 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 11/16] usb: dwc3: add delay p1p2p3 quirk Date: Fri, 17 Oct 2014 16:53:36 +0800 Message-ID: <1413536021-4886-12-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 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)(97736003)(50226001)(76176999)(102836001)(53416004)(92726001)(86362001)(44976005)(62966002)(31966008)(20776003)(68736004)(101416001)(19580405001)(19580395003)(47776003)(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: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:BY2PR02MB201; X-Exchange-Antispam-Report-Test: UriScan:; X-Forefront-PRVS: 0367A50BB1 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 AMD NL needs to delay P0 to P1/P2/P3 request when entering U1/U2/U3. 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 ec8b667..a9f1d4c 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -380,6 +380,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) if (dwc->quirks & DWC3_QUIRK_REQP1P2P3) reg |= DWC3_GUSB3PIPECTL_REQP1P2P3; + if (dwc->quirks & DWC3_QUIRK_DEPP1P2P3) + reg |= DWC3_GUSB3PIPECTL_DEP1P2P3(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 8f47ade18..cf70fa6 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -178,6 +178,8 @@ #define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31) #define DWC3_GUSB3PIPECTL_U2SSINP3OK (1 << 29) #define DWC3_GUSB3PIPECTL_REQP1P2P3 (1 << 24) +#define DWC3_GUSB3PIPECTL_DEP1P2P3_MASK DWC3_GUSB3PIPECTL_DEP1P2P3(7) +#define DWC3_GUSB3PIPECTL_DEP1P2P3(n) ((n) << 19) #define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17) /* Global TX Fifo Size Register */ diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 7154d18..23ae6a7 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -152,7 +152,8 @@ static int dwc3_pci_probe(struct pci_dev *pci, dwc3_pdata.quirks |= DWC3_QUIRK_AMD_NL | DWC3_QUIRK_U2EXIT_LFPS | DWC3_QUIRK_U2SSINP3OK - | DWC3_QUIRK_REQP1P2P3; + | DWC3_QUIRK_REQP1P2P3 + | DWC3_QUIRK_DEPP1P2P3; } 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 850883f..e668c1f 100644 --- a/drivers/usb/dwc3/platform_data.h +++ b/drivers/usb/dwc3/platform_data.h @@ -33,5 +33,6 @@ struct dwc3_platform_data { #define DWC3_QUIRK_U2EXIT_LFPS (1 << 2) #define DWC3_QUIRK_U2SSINP3OK (1 << 3) #define DWC3_QUIRK_REQP1P2P3 (1 << 4) +#define DWC3_QUIRK_DEPP1P2P3 (1 << 5) }; -- 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/