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SubjectRe: [PATCH 2/4] arch/arm/mach-at91/clock.c: Add missing IS_ERR test
> Julia is correct. Some architectures can return NULL from clk_get, but I
> didn't check the at91 before posting :-/. If we can't return NULL from
> clk_get then we shouldn't bother checking for it. I do think we should
> drop the !IS_ERR(clk_get(dev, func)) check though.

It seems a bit subtle, because the clk manipulated by clk_get in the call
of clk_get(dev, func) is not necessarily the same as the one in
clock_associate. But perhaps this is the only possibility in practice?


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