linux-kernel - Re: [PATCH v1 02/18] thermal: Add new structures and thermal_zone_device

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Date: Fri, 2 Feb 2024 11:47:30 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	daniel.lezcano@...aro.org, miquel.raynal@...tlin.com,
	rui.zhang@...el.com, lukasz.luba@....com,
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Subject: Re: [PATCH v1 02/18] thermal: Add new structures and
 thermal_zone_device_register()

On Thu, Feb 01, 2024 at 08:24:15PM +0100, Rafael J. Wysocki wrote:
> On Tue, Jan 30, 2024 at 12:13 PM AngeloGioacchino Del Regno
> > diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> > index 65d8f92a9a0d..7a540b746703 100644
> > --- a/include/linux/thermal.h
> > +++ b/include/linux/thermal.h
> > @@ -149,7 +149,8 @@ struct thermal_cooling_device {
> >                         passive trip point.
> >   * @need_update:       if equals 1, thermal_zone_device_update needs to be invoked.
> >   * @ops:       operations this &thermal_zone_device supports
> > - * @tzp:       thermal zone parameters
> > + * @tzp:               Thermal zone parameters
> > + * @tgp:               Thermal zone governor parameters
> >   * @governor:  pointer to the governor for this thermal zone
> >   * @governor_data:     private pointer for governor data
> >   * @thermal_instances: list of &struct thermal_instance of this thermal zone
> > @@ -184,7 +185,8 @@ struct thermal_zone_device {
> >         int prev_high_trip;
> >         atomic_t need_update;
> >         struct thermal_zone_device_ops *ops;
> > -       struct thermal_zone_params *tzp;
> > +       struct thermal_zone_platform_params *tzp;
> > +       struct thermal_governor_params *tgp;
> 
> I agree with doing a split here, but I'm not sure about moving items
> from the arg list to struct thermal_zone_platform_params (as mentioned
> above).
> 
> Also the naming is quite inconsistent.  IMO it would be better to call
> the first pointer "tzpp", rename struct thermal_governor_params to
> struct thermal_zone_governor_params and call the second pointer
> "tzgp".
> 

The names "tzgp" and "tzpp" look almost identical at first glance.
Could we increase the hamming distance somehow?

regards,
dan carpenter