Mattijs Korpershoek
1c758ce38c
When trying two ums commands in a row, the second one no longer enumerates properly from the host. This happens since commit59310d1ecb("usb: gadget: introduce 'enabled' flag in struct usb_ep") causing usb_ep_enable() to return early when ep->enabled is already set. Gadget function drivers (such as f_fastboot or f_mass_storage) implement a disable() function which is called whenever we are done using the gadget. Because f_mass_storage driver does not disable the endpoints, ep->enabled will never be set to false again. This can be reproduced on the STM32MP157C-DK2 or the Khadas VIM3 boards. Add calls to usb_ep_disable() as done in linux [1] to fix this. [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9fff139aeb11186fd8e75860c959c86cb43ab2f6 Fixes:59310d1ecb("usb: gadget: introduce 'enabled' flag in struct usb_ep") Reported-by: Patrice Chotard <patrice.chotard@foss.st.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> Link: https://patch.msgid.link/20260617-ums-disconnect-v2-1-6e52d9de1d36@kernel.org Signed-off-by: Mattijs Korpershoek <mkorpershoek@kernel.org>