On Wed, Oct 09, 2013 at 12:57:45PM +0200, Johan Hovold wrote:
> On Wed, Sep 25, 2013 at 11:53:00AM +0200, Andrew Lunn wrote:

> > TODO
> > Custom resume function
> 
> You have to implement a custom resume function as usb-serial will use
> the incompatible generic one otherwise. Model it after the generic
> implementation, but always submit the read urbs for port 0 and 1 (only)
> while calling usb_serial_generic_write_start for any open port. Note that
> this requires exporting usb_serial_generic_write_start (I'll submit a
> patch).

The usb_serial_generic_write_start is now exported and has gained a
mem_flags parameter. Just use GFP_NOIO in your custom resume function
(same for usb_serial_generic_submit_read_urbs).

The patches are in the usb-next branch of Greg's USB tree. You should
rebase v4 on this branch.

Thanks,
Johan
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