On Tue, Aug 06, 2013 at 10:43:41PM +0200, Gerhard Sittig wrote:

cleanup the MPC512x SoC's SPI master's use of the clock API
- get, prepare, and enable the MCLK during probe; disable, unprepare and
  put the MCLK upon remove; hold a reference to the clock over the
  period of use

Applied, thanks.