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| author | Andreas Noever <andreas.noever@gmail.com> | 2014-06-03 22:04:11 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-06-19 14:13:00 -0700 |
| commit | c90553b3c4ac2389a71a5c012b6e5bb1160d48a7 (patch) | |
| tree | a4374e06d030654c1dd1f076417908f2536824f4 /drivers/thunderbolt/tb.h | |
| parent | 1df5172c5c251ec24a1bd0f44fe38c841f384330 (diff) | |
| download | talos-obmc-linux-c90553b3c4ac2389a71a5c012b6e5bb1160d48a7.tar.gz talos-obmc-linux-c90553b3c4ac2389a71a5c012b6e5bb1160d48a7.zip | |
thunderbolt: Read switch uid from EEPROM
Add eeprom access code and read the uid during switch initialization.
The UID will be used to check device identity after suspend.
Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thunderbolt/tb.h')
| -rw-r--r-- | drivers/thunderbolt/tb.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index 508abc426563..a89087f2da71 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -19,6 +19,7 @@ struct tb_switch { struct tb_regs_switch_header config; struct tb_port *ports; struct tb *tb; + u64 uid; int cap_plug_events; /* offset, zero if not found */ bool is_unplugged; /* unplugged, will go away */ }; @@ -231,6 +232,8 @@ int tb_path_activate(struct tb_path *path); void tb_path_deactivate(struct tb_path *path); bool tb_path_is_invalid(struct tb_path *path); +int tb_eeprom_read_uid(struct tb_switch *sw, u64 *uid); + static inline int tb_route_length(u64 route) { |
