thunderbolt: Scan for downstream switches
authorAndreas Noever <andreas.noever@gmail.com>
Tue, 3 Jun 2014 20:04:05 +0000 (22:04 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 19 Jun 2014 21:07:47 +0000 (14:07 -0700)
Add utility methods tb_port_state and tb_wait_for_port. Add
tb_scan_switch which recursively checks for downstream switches.

Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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