diff mbox series

[06/12] usb: dwc2: Add exit clock gating when port reset is asserted

Message ID f705e273c8d398130039452da93f4be8abd4e7ed.1618297800.git.Arthur.Petrosyan@synopsys.com (mailing list archive)
State Accepted
Commit 5f9e60c06175c3525c2f7ae1d6807f7d6c61efe3
Headers show
Series [01/12] usb: dwc2: Add device clock gating support functions | expand

Commit Message

Artur Petrosyan April 13, 2021, 7:16 a.m. UTC 
Adds clock gating exit flow when set port feature
reset is received in suspended state.

Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com>
---
 drivers/usb/dwc2/hcd.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

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");