[PATCH v2 03/16] usb: dwc3: enable hibernation if to be supported

From: Huang Rui
Date: Fri Oct 17 2014 - 05:15:40 EST


It enables hibernation if the function is set in coreConsultant.

Suggested-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Huang Rui <ray.huang@xxxxxxx>
---
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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