Le lun. 1 avril 2019 à 19:17, Bin Liu <b-liu@xxxxxx> a écrit :
On Thu, Mar 21, 2019 at 03:42:46PM +0100, Paul Cercueil wrote:
When the musb is shutdown, for instance when the driver is unloaded,
force-disable the pullup. Otherwise, the host will still see the
gadget
device even after the shutdown.
how would this happen?
when musb-hdrc driver is unloaded, udc core removes the bound gadget
driver which calls musb_gadget_pullup() to disable the pullup.
I'm testing with the jz4740-musb driver. I don't unload the module (it's
built-in) but unbind it from sysfs.
Regards,
-Bin.
