tree 09d15847c50950c5125a2b05ddaa3a683dcb3a3c
parent d5fd120e7860c2b3d4c936a2ebadb6b244bec4c8
author Wolfram Sang <wsa+renesas@sang-engineering.com> 1422552796 +0100
committer Wolfram Sang <wsa@the-dreams.de> 1422637123 +0100

i2c: sh_mobile: terminate DMA reads properly

DMA read requests could miss proper termination, so two more bytes would
have been read via PIO overwriting the end of the buffer with wrong
data. Make DMA stop handling more readable while we are here.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>