On 11/13/2017 10:00 AM, Ran Wang wrote: > Force delay 10ms between each control messages to fix Transcend > and Kingston DT 101 G2 USB2.0 stick fail to be enumerated by LS208xA.
That means everyone else also suffers this burden, even though it's a problem specific to LS208x ? What is the real problem here ? > Signed-off-by: Ran Wang <ran.wan...@nxp.com> > --- > common/usb.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/common/usb.c b/common/usb.c > index 0904259757..eeacc80b9e 100644 > --- a/common/usb.c > +++ b/common/usb.c > @@ -223,6 +223,9 @@ int usb_control_msg(struct usb_device *dev, unsigned int > pipe, > return -EINVAL; > } > > + /* Add delay to support more devices' enumeration */ > + mdelay(10); > + > /* set setup command */ > setup_packet->requesttype = requesttype; > setup_packet->request = request; > -- Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
