It enables hibernation if the function is set in coreConsultant.
Suggested-by: Felipe Balbi <ba...@ti.com>
Signed-off-by: Huang Rui <ray.hu...@amd.com>
Signed-off-by: Felipe Balbi <ba...@ti.com>
---
drivers/usb/dwc3/core.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index fa396fc..5a47482 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -447,8 +447,14 @@ static int dwc3_core_init(struct dwc3 *dwc)
reg &= ~DWC3_GCTL_DSBLCLKGTNG;
break;
case DWC3_GHWPARAMS1_EN_PWROPT_HIB:
- /* enable hibernation here */
dwc->nr_scratch = DWC3_GHWPARAMS4_HIBER_SCRATCHBUFS(hwparams4);
+ /*
+ * Enable hibernation here.
+ *
+ * Enabling this bit so that host-mode hibernation will
+ * work, device-mode hibernation is not implemented yet.
+ */
+ reg |= DWC3_GCTL_GBLHIBERNATIONEN;
break;
default:
dev_dbg(dwc->dev, "No power optimization available\n");
--
1.9.1
--
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