tree 4f2e927b301a9b89d6fb35e524c90b37331129b2
parent 1836d95928a0f41ada0cbb2a6c4e46b027db9491
author Richard Zhao <linuxzsc@gmail.com> 1255772782 +0800
committer Ben Dooks <ben-linux@fluff.org> 1257204526 +0000

i2c: imx: check busy bit when START/STOP

The controller can't do anything else before it actually generates START/STOP.
So we check busy bit to make sure START/STOP is successfully finished.

If we don't check busy bit, START/STOP may fail on some fast CPUs.

Signed-off-by: Richard Zhao <linuxzsc@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>