Hi Jules, On 4/12/2019 18:21, Jules Maselbas wrote: > Hi Artur, > > On Fri, Apr 12, 2019 at 01:38:56PM +0000, Artur Petrosyan wrote: >> In host mode port power must be turned on when wakeup >> detected or session request interrupt is detected. >> Because, otherwise core wouldn't exit form partial >> power down. >> >> - Turned on the port power by setting HPRT0_PWR bit. >> >> - Called dwc2_hcd_connect() function after enabling >> the power of the port. >> >> Signed-off-by: Artur Petrosyan <arturp@xxxxxxxxxxxx> >> --- >> drivers/usb/dwc2/core_intr.c | 24 +++++++++++++++++++++--- >> 1 file changed, 21 insertions(+), 3 deletions(-) >> >> diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c >> index 19ae2595f1c3..ce523fd2b1b4 100644 >> --- a/drivers/usb/dwc2/core_intr.c >> +++ b/drivers/usb/dwc2/core_intr.c >> @@ -312,6 +312,7 @@ static void dwc2_handle_conn_id_status_change_intr(struct dwc2_hsotg *hsotg) >> static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg) >> { >> int ret; >> + u32 hprt0; >> >> /* Clear interrupt */ >> dwc2_writel(hsotg, GINTSTS_SESSREQINT, GINTSTS); >> @@ -320,7 +321,8 @@ static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg) >> hsotg->lx_state); >> >> if (dwc2_is_device_mode(hsotg)) { >> - if (hsotg->lx_state == DWC2_L2) { >> + if (hsotg->lx_state == DWC2_L2 && >> + hsotg->params.power_down == 1) { > I think you can replace 1 with DWC2_POWER_DOWN_PARAM_PARTIAL. Thank you for the review. Yeah, you are right it should be updated. > > [snip] > > --- > Best, > Jules > >