i2c: slave: add error messages to slave core
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Thu, 14 May 2015 12:40:05 +0000 (14:40 +0200)
committerWolfram Sang <wsa@the-dreams.de>
Sun, 31 May 2015 23:22:50 +0000 (08:22 +0900)
Inform users what went wrong from the core, so drivers don't have to do
it.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/i2c-core.c

Simple merge