[PATCH V3] mxs/spi: Fix misuse of init_completion

[Mark Brown]

On Fri, Aug 24, 2012 at 04:56:27AM +0200, Marek Vasut wrote:
> The init_completion() call does reinit not only the variable carrying
> the flag that the completion finished, but also initialized the
> waitqueue associated with the completion. On the contrary, the
> INIT_COMPLETION() call only reinits the flag.

Applied, thanks.