diff options
| author | Artur Petrosyan <Arthur.Petrosyan@synopsys.com> | 2021-04-08 13:45:25 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-09 15:16:38 +0200 |
| commit | e97570f7a72022b459ba0c8d1123019594ee8bdb (patch) | |
| tree | e7c8146f224a0b94c84dfff437a37ecefb05cf2e /drivers/usb/dwc2 | |
| parent | 1e0890ebaa3fe868c3ea4651f05fa86d72740993 (diff) | |
usb: dwc2: Add exit partial power down when port reset is asserted
Adds Partial Power Down exiting flow when set port feature
reset is received in suspended state.
Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com>
Link: https://lore.kernel.org/r/20210408094526.4DD7AA022E@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.c | 9 |
1 files changed, 9 insertions, 0 deletions
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"); |