i2c: rcar: clarify PM handling with more comments
commit63a761eef55759c0bc725739fe575193c09fa4ef
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Thu, 20 Apr 2017 10:04:33 +0000 (20 12:04 +0200)
committerWolfram Sang <wsa@the-dreams.de>
Fri, 21 Apr 2017 12:08:57 +0000 (21 14:08 +0200)
treeee32c3ef1c63361a49fc3ca4d7c4b8000e45a0d0
parentae481cc139658e89eb3ea671dd00b67bd87f01a3
i2c: rcar: clarify PM handling with more comments

PM handling is correct but might be a bit subtle. Add some comments for
clarification.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/busses/i2c-rcar.c