Re: [RFC PATCH v2 1/5] clk: meson: axg: move reset controller's code to separate module

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On So, 2024-04-07 at 19:39 -0700, Stephen Boyd wrote:
> Quoting Jerome Brunet (2024-04-02 07:52:38)
> > 
> > On Thu 28 Mar 2024 at 04:08, Jan Dakinevich <jan.dakinevich@xxxxxxxxxxxxxxxxx> wrote:
> > 
> > > This code will by reused by A1 SoC.
> > 
> > Could expand a bit please ?
> > 
> > > 
> > > Signed-off-by: Jan Dakinevich <jan.dakinevich@xxxxxxxxxxxxxxxxx>
> > 
> > In general, I like the idea.
> > 
> > We do have a couple a reset registers lost in middle of clocks and this
> > change makes it possible to re-use the code instead duplicating it.
> > 
> > The exported function would be used by audio clock controllers, but the
> > module created would be purely about reset.
> > 
> > One may wonder how it ended up in the clock tree, especially since the
> > kernel as a reset tree too.
> > 
> > I'm not sure if this should move to the reset framework or if it would
> > be an unnecessary churn. Stephen, Philipp, do you have an opinion on
> > this ?
> > 
> 
> I'd prefer it be made into an auxiliary device and the driver put in
> drivers/reset/ so we can keep reset code in the reset directory.

Seconded, the clk-mpfs/reset-mpfs and clk-starfive-jh7110-sys/reset-
starfive-jh7110 drivers are examples of this.

> The auxiliary device creation function can also be in the
> drivers/reset/ directory so that the clk driver calls some function
> to create and register the device.

I'm undecided about this, do you think mpfs_reset_controller_register()
and jh7110_reset_controller_register() should rather live with the
reset aux drivers in drivers/reset/ ?

regards
Philipp





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