From c90553b3c4ac2389a71a5c012b6e5bb1160d48a7 Mon Sep 17 00:00:00 2001 From: Andreas Noever Date: Tue, 3 Jun 2014 22:04:11 +0200 Subject: 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 Signed-off-by: Greg Kroah-Hartman --- drivers/thunderbolt/tb.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/thunderbolt/tb.h') 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) { -- cgit v1.2.1