From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-by2on0102.outbound.protection.outlook.com ([207.46.100.102]:19968 "EHLO na01-by2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755390AbaJ1L4n (ORCPT ); Tue, 28 Oct 2014 07:56:43 -0400 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 11/19] usb: dwc3: add lfps filter quirk Date: Tue, 28 Oct 2014 19:54:32 +0800 Message-ID: <1414497280-3126-12-git-send-email-ray.huang@amd.com> 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 Sender: linux-pci-owner@vger.kernel.org List-ID: This patch adds LFPS filter 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 | 3 +++ drivers/usb/dwc3/platform_data.h | 1 + 3 files changed, 10 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 97796d7..86ed064 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -386,6 +386,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) if (dwc->del_phy_power_chg_quirk) reg |= DWC3_GUSB3PIPECTL_DEPOCHANGE; + if (dwc->lfps_filter_quirk) + reg |= DWC3_GUSB3PIPECTL_LFPSFILT; + dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); mdelay(100); @@ -766,6 +769,8 @@ static int dwc3_probe(struct platform_device *pdev) "snps,del_p1p2p3_quirk"); dwc->del_phy_power_chg_quirk = of_property_read_bool(node, "snps,del_phy_power_chg_quirk"); + dwc->lfps_filter_quirk = of_property_read_bool(node, + "snps,lfps_filter_quirk"); } else if (pdata) { dwc->maximum_speed = pdata->maximum_speed; dwc->has_lpm_erratum = pdata->has_lpm_erratum; @@ -781,6 +786,7 @@ static int dwc3_probe(struct platform_device *pdev) dwc->req_p1p2p3_quirk = pdata->req_p1p2p3_quirk; dwc->del_p1p2p3_quirk = pdata->del_p1p2p3_quirk; dwc->del_phy_power_chg_quirk = pdata->del_phy_power_chg_quirk; + dwc->lfps_filter_quirk = pdata->lfps_filter_quirk; } /* default to superspeed if no maximum_speed passed */ diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 13bc46b..23b48a0 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -183,6 +183,7 @@ #define DWC3_GUSB3PIPECTL_DEP1P2P3_EN DWC3_GUSB3PIPECTL_DEP1P2P3(1) #define DWC3_GUSB3PIPECTL_DEPOCHANGE (1 << 18) #define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17) +#define DWC3_GUSB3PIPECTL_LFPSFILT (1 << 9) /* Global TX Fifo Size Register */ #define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff) @@ -691,6 +692,7 @@ struct dwc3_scratchpad_array { * @req_p1p2p3_quirk: set if we enable request p1p2p3 quirk * @del_p1p2p3_quirk: set if we enable delay p1p2p3 quirk * @del_phy_power_chg_quirk: set if we enable delay phy power change quirk + * @lfps_filter_quirk: set if we enable LFPS filter quirk */ struct dwc3 { struct usb_ctrlrequest *ctrl_req; @@ -804,6 +806,7 @@ struct dwc3 { unsigned req_p1p2p3_quirk:1; unsigned del_p1p2p3_quirk:1; unsigned del_phy_power_chg_quirk:1; + unsigned lfps_filter_quirk:1; }; /* -------------------------------------------------------------------------- */ diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h index 1dea0c0..89918e5 100644 --- a/drivers/usb/dwc3/platform_data.h +++ b/drivers/usb/dwc3/platform_data.h @@ -33,4 +33,5 @@ struct dwc3_platform_data { unsigned req_p1p2p3_quirk:1; unsigned del_p1p2p3_quirk:1; unsigned del_phy_power_chg_quirk:1; + unsigned lfps_filter_quirk:1; }; -- 1.9.1