Re: [PATCH 1/6] thermal: exynos: fix: Return from exynos_report_trigger() when therm_dev is NULL

[amit daniel kachhap <amit.daniel@xxxxxxxxxxx>]

On Tue, Sep 24, 2013 at 1:38 PM, Lukasz Majewski <l.majewski@xxxxxxxxxxx> wrote:
> The commit 4de0bdaa9677d11406c9becb70c60887c957e1f0
> ("thermal: exynos: Add support for instance based register/unregister")
> broke check for presence of therm_dev at global thermal zone in
> exynos_report_trigger().
>
> The resulting wrong test prevents thermal_zone_device_update() call, which
> calls handlers for situation when trip points are passed.
> Such behavior prevents thermal driver from proper reaction (when TMU interrupt
> is raised) in a situation when overheating is detected at TMU hardware.
> This patch fixes it.
>
> Signed-off-by: Lukasz Majewski <l.majewski@xxxxxxxxxxx>
> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> Reviewed-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
> ---
>  drivers/thermal/samsung/exynos_thermal_common.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/thermal/samsung/exynos_thermal_common.c b/drivers/thermal/samsung/exynos_thermal_common.c
> index f10a6ad..55a912a 100644
> --- a/drivers/thermal/samsung/exynos_thermal_common.c
> +++ b/drivers/thermal/samsung/exynos_thermal_common.c
> @@ -310,7 +310,7 @@ void exynos_report_trigger(struct thermal_sensor_conf *conf)
>         }
>
>         th_zone = conf->pzone_data;
> -       if (th_zone->therm_dev)
> +       if (!th_zone->therm_dev)
>                 return;
Changes looks fine.
Reviewed-by: Amit Daniel Kachhap<amit.daniel@xxxxxxxxxxx>

Thanks,
Amit Daniel
>
>         if (th_zone->bind == false) {
> --
> 1.7.10.4
>
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On Tue, Sep 24, 2013 at 1:38 PM, Lukasz Majewski <l.majewski@xxxxxxxxxxx> wrote:
> The commit 4de0bdaa9677d11406c9becb70c60887c957e1f0
> ("thermal: exynos: Add support for instance based register/unregister")
> broke check for presence of therm_dev at global thermal zone in
> exynos_report_trigger().
>
> The resulting wrong test prevents thermal_zone_device_update() call, which
> calls handlers for situation when trip points are passed.
> Such behavior prevents thermal driver from proper reaction (when TMU interrupt
> is raised) in a situation when overheating is detected at TMU hardware.
> This patch fixes it.
>
> Signed-off-by: Lukasz Majewski <l.majewski@xxxxxxxxxxx>
> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> Reviewed-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
> ---
>  drivers/thermal/samsung/exynos_thermal_common.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/thermal/samsung/exynos_thermal_common.c b/drivers/thermal/samsung/exynos_thermal_common.c
> index f10a6ad..55a912a 100644
> --- a/drivers/thermal/samsung/exynos_thermal_common.c
> +++ b/drivers/thermal/samsung/exynos_thermal_common.c
> @@ -310,7 +310,7 @@ void exynos_report_trigger(struct thermal_sensor_conf *conf)
>         }
>
>         th_zone = conf->pzone_data;
> -       if (th_zone->therm_dev)
> +       if (!th_zone->therm_dev)
>                 return;
>
>         if (th_zone->bind == false) {
> --
> 1.7.10.4
>
> --
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