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thunderbolt: Rework capability handling

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Organization of the capabilities in switches and ports is not so random
after all. Rework the capability handling functionality so that it
follows how capabilities are organized and provide two new functions
(tb_switch_find_vse_cap() and tb_port_find_cap()) which can be used to
extract capabilities for ports and switches. Then convert the current
users over these.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Yehezkel Bernat <yehezkel.bernat@intel.com>
Reviewed-by: Michael Jamet <michael.jamet@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mika Westerberg
2017-06-06 15:24:58 +03:00
committed by Greg Kroah-Hartman
parent 046bee1f9a
commit da2da04b8d
6 changed files with 145 additions and 105 deletions
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3
drivers/thunderbolt/tb.h
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@@ -233,7 +233,8 @@ int tb_wait_for_port(struct tb_port *port, bool wait_if_unplugged);
int tb_port_add_nfc_credits(struct tb_port *port, int credits);
int tb_port_clear_counter(struct tb_port *port, int counter);
int tb_find_cap(struct tb_port *port, enum tb_cfg_space space, enum tb_cap cap);
int tb_switch_find_vse_cap(struct tb_switch *sw, enum tb_switch_vse_cap vsec);
int tb_port_find_cap(struct tb_port *port, enum tb_port_cap cap);
struct tb_path *tb_path_alloc(struct tb *tb, int num_hops);
void tb_path_free(struct tb_path *path);