> > > hw_write(ci, OP_USBINTR, ~0,
> > >
> USBi_UI|USBi_UEI|USBi_PCI|USBi_URI|USBi_SLI);
> > > - hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS);
> > > } else {
> > > - hw_write(ci, OP_USBCMD, USBCMD_RS, 0);
> > > hw_write(ci, OP_USBINTR, ~0, 0);
> > > }
> >
> > Hi Marc, your above change break the function that load gadget before
> > plug usb cable.
>
> What do you mean with that? When switching into device role, the
> otg can load every gadget-module without having the hardware pluged-in.
>
Are you sure? In current chipidea otg design, the gadget will be freed
when device->host, but the gadget will not be re-created when host->device.
So, when the device connects to pc again, there will be an null pointer error.
(I use g_serial.ko)
Peter
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