From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bl2on0104.outbound.protection.outlook.com ([65.55.169.104]:18464 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752148AbaJQJO1 (ORCPT ); Fri, 17 Oct 2014 05:14:27 -0400 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 10/16] usb: dwc3: add request p1p2p3 quirk Date: Fri, 17 Oct 2014 16:53:35 +0800 Message-ID: <1413536021-4886-11-git-send-email-ray.huang@amd.com> 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 Sender: linux-pci-owner@vger.kernel.org List-ID: AMD NL needs to enable always request P1/P2/P3 for U1/U2/U3 for AMD own phy. Signed-off-by: Huang Rui --- drivers/usb/dwc3/core.c | 3 +++ drivers/usb/dwc3/core.h | 1 + drivers/usb/dwc3/dwc3-pci.c | 3 ++- drivers/usb/dwc3/platform_data.h | 1 + 4 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 9d0a249..ec8b667 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -377,6 +377,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) if (dwc->quirks & DWC3_QUIRK_U2SSINP3OK) reg |= DWC3_GUSB3PIPECTL_U2SSINP3OK; + if (dwc->quirks & DWC3_QUIRK_REQP1P2P3) + reg |= DWC3_GUSB3PIPECTL_REQP1P2P3; + 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 71cb255..8f47ade18 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -177,6 +177,7 @@ /* Global USB3 PIPE Control Register */ #define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31) #define DWC3_GUSB3PIPECTL_U2SSINP3OK (1 << 29) +#define DWC3_GUSB3PIPECTL_REQP1P2P3 (1 << 24) #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 1235eb3..7154d18 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -151,7 +151,8 @@ static int dwc3_pci_probe(struct pci_dev *pci, dwc3_pdata.has_lpm_erratum = true; dwc3_pdata.quirks |= DWC3_QUIRK_AMD_NL | DWC3_QUIRK_U2EXIT_LFPS - | DWC3_QUIRK_U2SSINP3OK; + | DWC3_QUIRK_U2SSINP3OK + | DWC3_QUIRK_REQP1P2P3; } 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 ad03563..850883f 100644 --- a/drivers/usb/dwc3/platform_data.h +++ b/drivers/usb/dwc3/platform_data.h @@ -32,5 +32,6 @@ struct dwc3_platform_data { #define DWC3_QUIRK_DISSCRAMBLE (1 << 1) #define DWC3_QUIRK_U2EXIT_LFPS (1 << 2) #define DWC3_QUIRK_U2SSINP3OK (1 << 3) +#define DWC3_QUIRK_REQP1P2P3 (1 << 4) }; -- 1.9.1