Messages in this thread | | | Date | Mon, 01 Apr 2019 19:46:22 +0200 | From | Paul Cercueil <> | Subject | Re: [PATCH] usb: musb: Force-disable pullup on shutdown |
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Le lun. 1 avril 2019 à 19:17, Bin Liu <b-liu@ti.com> 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.
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