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53 Commits

Author SHA1 Message Date
Andreas Noever a25c8b2fc9 thunderbolt: Initialize root switch and ports 
This patch adds the structures tb_switch and tb_port as well as code to
initialize the root switch.

Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2014-06-19 14:07:08 -07:00
Andreas Noever 7adf60972c thunderbolt: Add tb_regs.h 
Every thunderbolt device consists (logically) of a switch with multiple
ports. Every port contains up to four config regions (HOPS, PORT,
SWITCH, COUNTERS) which are used to configure the device.

The tb_regs.h file contains all known registers and capabilities from
these config regions.

Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2014-06-19 14:07:07 -07:00
Andreas Noever d6cc51cd1a thunderbolt: Setup control channel 
Add struct tb which will contain our view of the thunderbolt bus.  For
now it just contains a pointer to the control channel and a workqueue
for hotplug events.

Add thunderbolt_alloc_and_start() and thunderbolt_shutdown_and_free()
which are responsible for setup and teardown of struct tb.

Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2014-06-19 14:07:07 -07:00