On 8/18/20 4:34 PM, Jason Wessel wrote:
> When resetting the rpi3 board sometimes it will display:
> USB device not accepting new address (error=0)
>
> After the message appears, the usb keyboard will not work. It seems
> that the configuration actually did succeed however. Checking the
> device status for a return code of zero and continuing allows the usb
> keyboard and other usb devices to work function.
>
> Signed-off-by: Jason Wessel <jason.wes...@windriver.com>
> ---
> common/usb.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/common/usb.c b/common/usb.c
> index aad13fd9c5..0eb5d40a2d 100644
> --- a/common/usb.c
> +++ b/common/usb.c
> @@ -1054,11 +1054,12 @@ static int usb_prepare_device(struct usb_device *dev,
> int addr, bool do_read,
> dev->devnum = addr;
>
> err = usb_set_address(dev); /* set address */
> -
> - if (err < 0) {
> + if (err < 0)
> + debug("\n usb_set_address return < 0\n");
Please print the return code here.
Is dev->status always set by usb_set_address() when err < 0 ?
> + if (err < 0 && dev->status != 0) {
> printf("\n USB device not accepting new address " \
> "(error=%lX)\n", dev->status);
> - return err;
> + return err;
> }
>
> mdelay(10); /* Let the SET_ADDRESS settle */
>
