| Message ID | 20210408094526.4DD7AA022E@mailhost.synopsys.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | e97570f7a72022b459ba0c8d1123019594ee8bdb |
| Headers | show |
| Series | usb: dwc2: Fix Partial Power down issues. | expand |
On 4/8/2021 1:45 PM, Artur Petrosyan wrote: > Adds Partial Power Down exiting flow when set port feature > reset is received in suspended state. > > Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com> Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com> > --- > Changes in v3: > - None > Changes in v2: > - None > > drivers/usb/dwc2/hcd.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c > index 720354df014b..7c7496719152 100644 > --- a/drivers/usb/dwc2/hcd.c > +++ b/drivers/usb/dwc2/hcd.c > @@ -3694,6 +3694,15 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq, > if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_HIBERNATION && > hsotg->hibernated) > dwc2_exit_hibernation(hsotg, 0, 1, 1); > + > + if (hsotg->in_ppd) { > + retval = dwc2_exit_partial_power_down(hsotg, 1, > + true); > + if (retval) > + dev_err(hsotg->dev, > + "exit partial_power_down failed\n"); > + } > + > hprt0 = dwc2_read_hprt0(hsotg); > dev_dbg(hsotg->dev, > "SetPortFeature - USB_PORT_FEAT_RESET\n"); >
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 720354df014b..7c7496719152 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -3694,6 +3694,15 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq, if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_HIBERNATION && hsotg->hibernated) dwc2_exit_hibernation(hsotg, 0, 1, 1); + + if (hsotg->in_ppd) { + retval = dwc2_exit_partial_power_down(hsotg, 1, + true); + if (retval) + dev_err(hsotg->dev, + "exit partial_power_down failed\n"); + } + hprt0 = dwc2_read_hprt0(hsotg); dev_dbg(hsotg->dev, "SetPortFeature - USB_PORT_FEAT_RESET\n");
Adds Partial Power Down exiting flow when set port feature reset is received in suspended state. Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com> --- Changes in v3: - None Changes in v2: - None drivers/usb/dwc2/hcd.c | 9 +++++++++ 1 file changed, 9 insertions(+)