[U-Boot] [PATCH 08/16] usb: dwc2: force reset assert before to probe the driver

Reset the hardware to be sure of the device state.

Signed-off-by: Patrick Delaunay patrick.delaunay@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;