linux-kernel - Re: [PATCH v1 8/8] thermal: intel: intel_pch: Refer to thermal zone name directly

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Date:   Tue, 31 Jan 2023 17:02:45 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux PM <linux-pm@...r.kernel.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc:     Zhang Rui <rui.zhang@...el.com>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        David Box <david.e.box@...ux.intel.com>
Subject: Re: [PATCH v1 8/8] thermal: intel: intel_pch: Refer to thermal zone
 name directly

On 30/01/2023 20:07, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> Make intel_pch_thermal_probe() use a const char pointer instead of
> a struct board_info one for accessing the thermal zone name.
> 
> No intentional functional impact.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> ---
> 
> BTW, Srinivas, I'm wondering if user space would be terribly confused by
> changing this driver to use "Intel PCH" as the thermal zone name of all
> of the supported platforms?
> 
> ---
>   drivers/thermal/intel/intel_pch_thermal.c |    6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> Index: linux-pm/drivers/thermal/intel/intel_pch_thermal.c
> ===================================================================
> --- linux-pm.orig/drivers/thermal/intel/intel_pch_thermal.c
> +++ linux-pm/drivers/thermal/intel/intel_pch_thermal.c
> @@ -175,7 +175,7 @@ static int intel_pch_thermal_probe(struc
>   				   const struct pci_device_id *id)
>   {
>   	enum pch_board_ids board_id = id->driver_data;
> -	const struct board_info *bi = &board_info[board_id];
> +	const char *zone_name = board_info[board_id].name;

Assuming you will change 'board_info[board_id].name' by
'board_info[board_id]'

Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org>

>   	struct pch_thermal_device *ptd;
>   	u16 trip_temp;
>   	int nr_trips;
> @@ -249,12 +249,12 @@ read_trips:
>   
>   	nr_trips += pch_wpt_add_acpi_psv_trip(ptd, nr_trips);
>   
> -	ptd->tzd = thermal_zone_device_register_with_trips(bi->name, ptd->trips,
> +	ptd->tzd = thermal_zone_device_register_with_trips(zone_name, ptd->trips,
>   							   nr_trips, 0, ptd,
>   							   &tzd_ops, NULL, 0, 0);
>   	if (IS_ERR(ptd->tzd)) {
>   		dev_err(&pdev->dev, "Failed to register thermal zone %s\n",
> -			bi->name);
> +			zone_name);
>   		err = PTR_ERR(ptd->tzd);
>   		goto error_cleanup;
>   	}
> 
> 
> 

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