usb: typec: tcpm: Add tcpm_queue_vdm_unlocked() helper
Various callers (all the typec_altmode_ops) take the port-lock just for
the tcpm_queue_vdm() call.
Add a new tcpm_queue_vdm_unlocked() helper which takes the lock, so that
its callers don't have to do this themselves.
This is a preparation patch for fixing an AB BA lock inversion between
the tcpm code and some altmode drivers.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200724174702.61754-2-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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