Re: [PATCH v3] clk: clk-gpio: propagate rate change to parent
From: Stephen Boyd
Date: Fri Nov 08 2019 - 16:08:57 EST
Quoting Alexandru Ardelean (2019-11-07 23:17:18)
> From: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
>
> For an external clock source, which is gated via a GPIO, the
> rate change should typically be propagated to the parent clock.
>
> The situation where we are requiring this propagation, is when an
> external clock is connected to override an internal clock (which typically
> has a fixed rate). The external clock can have a different rate than the
> internal one, and may also be variable, thus requiring the rate
> propagation.
>
> This rate change wasn't propagated until now, and it's unclear about cases
> where this shouldn't be propagated. Thus, it's unclear whether this is
> fixing a bug, or extending the current driver behavior. Also, it's unsure
> about whether this may break any existing setups; in the case that it does,
> a device-tree property may be added to disable this flag.
>
> Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
> ---
Applied to clk-next
Next time please send as a new topic instead of a reply to the original
patch. Makes it easier for me to apply the patch.