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SubjectRe: [RESEND PATCH v3 1/2] acpi: thermal: initialize tz_enabled to 1
On Mon, Feb 26, 2018 at 3:41 PM, Enric Balletbo i Serra
<enric.balletbo@collabora.com> wrote:
> From: Sameer Nanda <snanda@chromium.org>
>
> In the acpi_thermal_add path, acpi_thermal_get_info gets called before
> acpi_thermal_register_thermal_zone. Since tz_enabled was getting set to
> 1 only in acpi_thermal_register_thermal_zone, acpi_thermal_get_info
> ended up disabling thermal polling.
>
> Moved setting of tz_enabled to 1 into acpi_thermal_add itself.
>
> Signed-off-by: Sameer Nanda <snanda@chromium.org>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> ---
> That's another attempt to land these to patches that were sent long time
> ago but never got merged, although, apparently, there is no issue with
> it. Latest discussion about these here:
>
> https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1436081.html

I can apply this one, but the other one has to go in through the Rui's tree.

> Changes in v3:
> - [1/2] Make sure tz->tz_enabled is set properly before registering the
> zone (Zhang Rui)
>
> Changes in v2:
> - [1/2] This patch is new from v1
> (https://patchwork.kernel.org/patch/9804229/)
>
> drivers/acpi/thermal.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
> index 551b71a24b85..1d8f185e96c6 100644
> --- a/drivers/acpi/thermal.c
> +++ b/drivers/acpi/thermal.c
> @@ -930,8 +930,6 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
> if (ACPI_FAILURE(status))
> return -ENODEV;
>
> - tz->tz_enabled = 1;
> -
> dev_info(&tz->device->dev, "registered as thermal_zone%d\n",
> tz->thermal_zone->id);
> return 0;
> @@ -1088,6 +1086,7 @@ static int acpi_thermal_add(struct acpi_device *device)
> return -ENOMEM;
>
> tz->device = device;
> + tz->tz_enabled = 1;
> strcpy(tz->name, device->pnp.bus_id);
> strcpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME);
> strcpy(acpi_device_class(device), ACPI_THERMAL_CLASS);
> --
> 2.16.1
>
> --
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