[PATCH v2 06/12] usb: dwc2: Add exit clock gating when port reset is asserted
From: Artur Petrosyan
Date: Tue Apr 13 2021 - 03:36:53 EST
Adds clock gating exit flow when set port feature
reset is received in suspended state.
Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@xxxxxxxxxxxx>
---
Changes in v2:
- None
drivers/usb/dwc2/hcd.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index f1c24c15d185..27f030d5de54 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -3712,6 +3712,10 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
"exit partial_power_down failed\n");
}
+ if (hsotg->params.power_down ==
+ DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended)
+ dwc2_host_exit_clock_gating(hsotg, 0);
+
hprt0 = dwc2_read_hprt0(hsotg);
dev_dbg(hsotg->dev,
"SetPortFeature - USB_PORT_FEAT_RESET\n");
--
2.25.1