linux-kernel - [PATCH v3 01/19] usb: dwc3: enable hibernation if to be supported

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Date:	Tue, 28 Oct 2014 19:54:22 +0800
From:	Huang Rui <ray.huang@....com>
To:	Felipe Balbi <balbi@...com>,
	Alan Stern <stern@...land.harvard.edu>,
	"Bjorn Helgaas" <bhelgaas@...gle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Paul Zimmerman <Paul.Zimmerman@...opsys.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Jason Chang <jason.chang@....com>,
	"Vincent Wan" <vincent.wan@....com>, Tony Li <tony.li@....com>,
	<linux-usb@...r.kernel.org>, <linux-pci@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Huang Rui <ray.huang@....com>
Subject: [PATCH v3 01/19] usb: dwc3: enable hibernation if to be supported

It enables hibernation if the function is set in coreConsultant.

Suggested-by: Felipe Balbi <balbi@...com>
Signed-off-by: Huang Rui <ray.huang@....com>
---
 drivers/usb/dwc3/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index fa396fc..bf77509 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -449,6 +449,7 @@ static int dwc3_core_init(struct dwc3 *dwc)
 	case DWC3_GHWPARAMS1_EN_PWROPT_HIB:
 		/* enable hibernation here */
 		dwc->nr_scratch = DWC3_GHWPARAMS4_HIBER_SCRATCHBUFS(hwparams4);
+		reg |= DWC3_GCTL_GBLHIBERNATIONEN;
 		break;
 	default:
 		dev_dbg(dwc->dev, "No power optimization available\n");
-- 
1.9.1

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