Fixes the following W=1 kernel build warning(s):

 drivers/thunderbolt/cap.c:189: warning: Function parameter or member 'sw' not described in 'tb_switch_find_cap'

Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <redacted>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <redacted>
---
 drivers/thunderbolt/cap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thunderbolt/cap.c b/drivers/thunderbolt/cap.c
index 6f571e912cf21..8ecd610c62d50 100644
--- a/drivers/thunderbolt/cap.c
+++ b/drivers/thunderbolt/cap.c

@@ -178,7 +178,7 @@ int tb_switch_next_cap(struct tb_switch *sw, unsigned int offset)
 
 /**
  * tb_switch_find_cap() - Find switch capability
- * @sw Switch to find the capability for
+ * @sw: Switch to find the capability for
  * @cap: Capability to look
  *
  * Returns offset to start of capability or %-ENOENT if no such

-- 
2.25.1