Hi Zixun, On Tue, May 12, 2026 at 12:23, Zixun LI <[email protected]> wrote:
> Hi, > With 59310d1ec an "enabled" flag has been introduced to guard ep->ops > against > disable before enable or vice versa. > In atmel_usba_udc/usba_ep_disable() returns an error if the endpoint is > already disabled. > When the gadget is re-attached, for example a dhcp command triggers > usb_gadget_ops.pullup event, the bus is reset and > atmel_usba_udc/reset_all_endpoints() is called. Since ep->enabled flag is > still > true, following usb_ep_disable()/usb_ep_enable() calls will fail. > > What's the correct fix, change atmel_usba_udc/reset_all_endpoints() ? Thank you for testing and reporting this problem. I've seen you have posted a patch fixing this here: https://lore.kernel.org/all/[email protected]/ Let's continue the discussion there. Regards Mattijs > > Regards, > Zixun
