On 12/06/12 12:09, Fengguang Wu wrote:

Another thing I'm not sure is that the typical clk_get() callers only
tests IS_ERR() on the returned value. As a clk newbie, I don't know
whether there will be lots of clk users seeing this (new) NULL value
on !CONFIG_HAVE_CLK and whether the current behavior is correct..

There have been long discussions over it in past, check this thread

https://lkml.org/lkml/2012/4/24/389

--
Viresh

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