Shawn Guo 2c11b57a8a ARM: imx: improve mxc_restart() on the SRC bit writes ...

The current comment in the code does not make it clear why the double writes
on SRC bit is needed.  Let's quote the errata to get it clear.  Also, to
ensure there are at least 2 writes happen in the same one 32kHz period,
we actually need 3 writes.  Let's add the third one.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

2013-11-11 22:58:43 +08:00

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