On Fri, 29 Mar 2019 15:42:16 +0100 Patrick Delaunay <patrick.delau...@st.com> wrote:
> Reset the hardware to be sure of the device state. > > Signed-off-by: Patrick Delaunay <patrick.delau...@st.com> > --- > > drivers/usb/gadget/dwc2_udc_otg.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/gadget/dwc2_udc_otg.c > b/drivers/usb/gadget/dwc2_udc_otg.c index af16fc1..8169fdb 100644 > --- a/drivers/usb/gadget/dwc2_udc_otg.c > +++ b/drivers/usb/gadget/dwc2_udc_otg.c > @@ -1049,7 +1049,12 @@ static int dwc2_udc_otg_reset_init(struct > udevice *dev, if (ret) > return ret; > > - ret = reset_deassert_bulk(resets); > + ret = reset_assert_bulk(resets); > + > + if (!ret) { > + udelay(2); > + ret = reset_deassert_bulk(resets); > + } > if (ret) { > reset_release_bulk(resets); > return ret; Reviewed-by: Lukasz Majewski <lu...@denx.de> Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lu...@denx.de
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