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Message-ID: <Y/I7KA2Uqqk7ib6L@oden.dyn.berto.se>
Date: Sun, 19 Feb 2023 16:07:20 +0100
From: Niklas Söderlund <niklas.soderlund@...natech.se>
To: Daniel Lezcano <daniel.lezcano@...aro.org>
Cc: rafael@...nel.org, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org, Zhang Rui <rui.zhang@...el.com>,
Len Brown <lenb@...nel.org>,
Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Jean Delvare <jdelvare@...e.com>,
Guenter Roeck <linux@...ck-us.net>,
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Chen-Yu Tsai <wens@...e.org>,
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Subject: Re: [PATCH v1 01/17] thermal/core: Add a thermal zone 'devdata'
accessor
Hi Daniel,
Thanks for your work.
On 2023-02-19 15:36:41 +0100, Daniel Lezcano wrote:
> The thermal zone device structure is exposed to the different drivers
> and obviously they access the internals while that should be
> restricted to the core thermal code.
>
> In order to self-encapsulate the thermal core code, we need to prevent
> the drivers accessing directly the thermal zone structure and provide
> accessor functions to deal with.
>
> Provide an accessor to the 'devdata' structure and make use of it in
> the different drivers.
>
> No functional changes intended.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> ---
...
> drivers/thermal/rcar_gen3_thermal.c | 4 ++--
> drivers/thermal/rcar_thermal.c | 3 +--
For R-Car,
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
...
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index 2bb4bf33f4f3..724b95662da9 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -365,6 +365,8 @@ thermal_zone_device_register_with_trips(const char *, struct thermal_trip *, int
> void *, struct thermal_zone_device_ops *,
> struct thermal_zone_params *, int, int);
>
> +void *thermal_zone_device_get_data(struct thermal_zone_device *tzd);
> +
bikeshedding:
Would it make sens to name this thermal_zone_device_get_priv_data(),
thermal_zone_device_get_priv() or something like that? To make it more
explicitly when reading the driver code this fetches the drivers private
data, and not some data belonging to the zone itself.
> int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
> struct thermal_cooling_device *,
--
Kind Regards,
Niklas Söderlund
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