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[3/5] thermal: exynos: increase the number of trips for exynos542x

Message ID 1531822342-4293-3-git-send-email-linux.amoon@gmail.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Anand Moon July 17, 2018, 10:12 a.m. UTC
increase the number of trips to support more polling modes,
changes help supress following warning.

[    4.231731] thermal thermal_zone0: failed to read out thermal zone (-22)
[    4.237190] exynos-tmu 10060000.tmu: More trip points than supported by this TMU.
[    4.244661] exynos-tmu 10060000.tmu: 2 trip points should be configured in polling mode.
[    4.254821] thermal thermal_zone1: failed to read out thermal zone (-22)
[    4.260370] exynos-tmu 10064000.tmu: More trip points than supported by this TMU.
[    4.267631] exynos-tmu 10064000.tmu: 2 trip points should be configured in polling mode.
[    4.277551] thermal thermal_zone2: failed to read out thermal zone (-22)
[    4.283090] exynos-tmu 10068000.tmu: More trip points than supported by this TMU.
[    4.290438] exynos-tmu 10068000.tmu: 2 trip points should be configured in polling mode.
[    4.300280] thermal thermal_zone3: failed to read out thermal zone (-22)
[    4.305711] exynos-tmu 1006c000.tmu: More trip points than supported by this TMU.
[    4.313171] exynos-tmu 1006c000.tmu: 2 trip points should be configured in polling mode.
[    4.323002] thermal thermal_zone4: failed to read out thermal zone (-22)

CC: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
 drivers/thermal/samsung/exynos_tmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Krzysztof Kozlowski July 17, 2018, 12:25 p.m. UTC | #1
On 17 July 2018 at 12:12, Anand Moon <linux.amoon@gmail.com> wrote:
> increase the number of trips to support more polling modes,
> changes help supress following warning.
>
> [    4.231731] thermal thermal_zone0: failed to read out thermal zone (-22)
> [    4.237190] exynos-tmu 10060000.tmu: More trip points than supported by this TMU.
> [    4.244661] exynos-tmu 10060000.tmu: 2 trip points should be configured in polling mode.
> [    4.254821] thermal thermal_zone1: failed to read out thermal zone (-22)
> [    4.260370] exynos-tmu 10064000.tmu: More trip points than supported by this TMU.
> [    4.267631] exynos-tmu 10064000.tmu: 2 trip points should be configured in polling mode.
> [    4.277551] thermal thermal_zone2: failed to read out thermal zone (-22)
> [    4.283090] exynos-tmu 10068000.tmu: More trip points than supported by this TMU.
> [    4.290438] exynos-tmu 10068000.tmu: 2 trip points should be configured in polling mode.
> [    4.300280] thermal thermal_zone3: failed to read out thermal zone (-22)
> [    4.305711] exynos-tmu 1006c000.tmu: More trip points than supported by this TMU.
> [    4.313171] exynos-tmu 1006c000.tmu: 2 trip points should be configured in polling mode.
> [    4.323002] thermal thermal_zone4: failed to read out thermal zone (-22)
>
> CC: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>

NAK

Exynos5420/5422/5800 has 4 trip points (understood as in current driver design).

Best regards,
Krzysztof

> ---
>  drivers/thermal/samsung/exynos_tmu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index 2dbde97..4a2733c 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -935,7 +935,7 @@ static int exynos_map_dt_data(struct platform_device *pdev)
>                 data->tmu_read = exynos4412_tmu_read;
>                 data->tmu_set_emulation = exynos4412_tmu_set_emulation;
>                 data->tmu_clear_irqs = exynos4210_tmu_clear_irqs;
> -               data->ntrip = 4;
> +               data->ntrip = 8;
>                 data->gain = 8;
>                 data->reference_voltage = 16;
>                 data->efuse_value = 55;
> --
> 2.7.4
>
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Anand Moon July 17, 2018, 7:59 p.m. UTC | #2
Hi Krzysztof,

On 17 July 2018 at 17:55, Krzysztof Kozlowski <krzk@kernel.org> wrote:
> On 17 July 2018 at 12:12, Anand Moon <linux.amoon@gmail.com> wrote:
>> increase the number of trips to support more polling modes,
>> changes help supress following warning.
>>
>> [    4.231731] thermal thermal_zone0: failed to read out thermal zone (-22)
>> [    4.237190] exynos-tmu 10060000.tmu: More trip points than supported by this TMU.
>> [    4.244661] exynos-tmu 10060000.tmu: 2 trip points should be configured in polling mode.
>> [    4.254821] thermal thermal_zone1: failed to read out thermal zone (-22)
>> [    4.260370] exynos-tmu 10064000.tmu: More trip points than supported by this TMU.
>> [    4.267631] exynos-tmu 10064000.tmu: 2 trip points should be configured in polling mode.
>> [    4.277551] thermal thermal_zone2: failed to read out thermal zone (-22)
>> [    4.283090] exynos-tmu 10068000.tmu: More trip points than supported by this TMU.
>> [    4.290438] exynos-tmu 10068000.tmu: 2 trip points should be configured in polling mode.
>> [    4.300280] thermal thermal_zone3: failed to read out thermal zone (-22)
>> [    4.305711] exynos-tmu 1006c000.tmu: More trip points than supported by this TMU.
>> [    4.313171] exynos-tmu 1006c000.tmu: 2 trip points should be configured in polling mode.
>> [    4.323002] thermal thermal_zone4: failed to read out thermal zone (-22)
>>
>> CC: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
>> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
>
> NAK
>
> Exynos5420/5422/5800 has 4 trip points (understood as in current driver design).
>

Ok no issue.

Best Regards
-Anand
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diff mbox

Patch

diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index 2dbde97..4a2733c 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -935,7 +935,7 @@  static int exynos_map_dt_data(struct platform_device *pdev)
 		data->tmu_read = exynos4412_tmu_read;
 		data->tmu_set_emulation = exynos4412_tmu_set_emulation;
 		data->tmu_clear_irqs = exynos4210_tmu_clear_irqs;
-		data->ntrip = 4;
+		data->ntrip = 8;
 		data->gain = 8;
 		data->reference_voltage = 16;
 		data->efuse_value = 55;