| Message ID | 20210416124707.5EEC2A005D@mailhost.synopsys.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | None | expand |
On 4/16/2021 4:47 PM, Artur Petrosyan wrote: > Added setting "port_connect_status_change" flag to "1" in order > to re-enumerate, because after exit from hibernation port > connection status is not detected. > > Fixes: c5c403dc4336 ("usb: dwc2: Add host/device hibernation functions") > Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com> Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com> > --- > Changes in v2: > - None > > drivers/usb/dwc2/hcd.c | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c > index cda3f931195d..ff945c40ef8a 100644 > --- a/drivers/usb/dwc2/hcd.c > +++ b/drivers/usb/dwc2/hcd.c > @@ -5650,7 +5650,15 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup, > return ret; > } > > - dwc2_hcd_rem_wakeup(hsotg); > + if (rem_wakeup) { > + dwc2_hcd_rem_wakeup(hsotg); > + /* > + * Change "port_connect_status_change" flag to re-enumerate, > + * because after exit from hibernation port connection status > + * is not detected. > + */ > + hsotg->flags.b.port_connect_status_change = 1; > + } > > hsotg->hibernated = 0; > hsotg->bus_suspended = 0; >
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index cda3f931195d..ff945c40ef8a 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -5650,7 +5650,15 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup, return ret; } - dwc2_hcd_rem_wakeup(hsotg); + if (rem_wakeup) { + dwc2_hcd_rem_wakeup(hsotg); + /* + * Change "port_connect_status_change" flag to re-enumerate, + * because after exit from hibernation port connection status + * is not detected. + */ + hsotg->flags.b.port_connect_status_change = 1; + } hsotg->hibernated = 0; hsotg->bus_suspended = 0;
Added setting "port_connect_status_change" flag to "1" in order to re-enumerate, because after exit from hibernation port connection status is not detected. Fixes: c5c403dc4336 ("usb: dwc2: Add host/device hibernation functions") Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com> --- Changes in v2: - None drivers/usb/dwc2/hcd.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)