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authorArtur Petrosyan <Arthur.Petrosyan@synopsys.com>2021-04-13 11:36:45 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-13 12:25:12 +0200
commit5f9e60c06175c3525c2f7ae1d6807f7d6c61efe3 (patch)
tree22edf7d24b4c96d9677aeb9df997c4e94b254955 /drivers/usb/dwc2
parent9b4965d77e115b550a5612dce3987a4ca69f86bc (diff)
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 <Arthur.Petrosyan@synopsys.com> Link: https://lore.kernel.org/r/20210413073646.27217A0094@mailhost.synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r--drivers/usb/dwc2/hcd.c4
1 files changed, 4 insertions, 0 deletions
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");