Hi, On Fri, 2012-06-22 at 19:18 +0530, Rajendra Nayak wrote: > In preparation of OMAP moving to Common Clk Framework(CCF) add clk_prepare() > and clk_unprepare() for the omapdss clocks.
You used clk_prepare and clk_unprepare instead of clk_prepare_enable and clk_disable_unprepare. I didn't check the dss driver yet, but my hunch is that the clocks are normally not enabled/disabled from atomic context. What does the prepare/unprepare actually do? Is there any benefit in delaying preparing, i.e. is there a difference between prepare right after clk_get, or prepare right before clk_enable? (And similarly for unprepare) Tomi
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