lkml.org 
[lkml]   [2021]   [Apr]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    SubjectRe: [PATCH v3 08/14] usb: dwc2: Add exit partial power down when port reset is asserted
    Date
    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");
    >

    \
     
     \ /
      Last update: 2021-04-08 15:40    [W:4.443 / U:0.048 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site