Re: [PATCH] usb: musb: Force-disable pullup on shutdown

From: Bin Liu
Date: Mon Apr 01 2019 - 14:00:06 EST


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.

Regards,
-Bin.