Timer functions were called at soft-irq level, leading to the limitation
that mutexes could not be used. Lifted this limitation by migrating to
work queues.
Reviewed-by: NAlwin Beukers <alwin@broadcom.com>
Reviewed-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>