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| author | Richard Zhao <linuxzsc@gmail.com> | 2009-10-17 17:46:22 +0800 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2009-11-02 23:28:46 +0000 |
| commit | 43309f3b521302bb66c4c9e66704dd3675e4d725 (patch) | |
| tree | 4f2e927b301a9b89d6fb35e524c90b37331129b2 /arch | |
| parent | 1836d95928a0f41ada0cbb2a6c4e46b027db9491 (diff) | |
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>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions