[PATCH 1/3] clk: exynos-audss: Keep the parent of mout_audss always enabled
Kevin Hilman
khilman at linaro.org
Wed Jun 11 09:50:38 PDT 2014
Tushar Behera <tushar.b at samsung.com> writes:
> When the output clock of AUDSS mux is disabled, we are getting kernel
> oops while doing a clk_get() on other clocks provided by AUDSS.
>
> Though user manual doesn't specify this dependency, we came across
> this issue while disabling the parent of AUDSS mux clocks.
>
> Keeping the parents of AUDSS mux always enabled fixes this issue.
While this patch works (and fixes the boot problem for me), it seems
like it's papering over the real problem.
Seems like the right fix is actually modelling the clocks properly so
that enabling a child clock ensures that the parent is also enabled.
Kevin
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