From 5f9e60c06175c3525c2f7ae1d6807f7d6c61efe3 Mon Sep 17 00:00:00 2001 From: Artur Petrosyan Date: Tue, 13 Apr 2021 11:36:45 +0400 Subject: usb: dwc2: Add exit clock gating when port reset is asserted Adds clock gating exit flow when set port feature reset is received in suspended state. Signed-off-by: Artur Petrosyan Link: https://lore.kernel.org/r/20210413073646.27217A0094@mailhost.synopsys.com Signed-off-by: Greg Kroah-Hartman --- 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"); -- cgit v1.2.3