linux-kernel - [PATCH 3/5] thermal: exynos: increase the number of trips for exynos542x

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Message-Id: <1531822342-4293-3-git-send-email-linux.amoon@gmail.com>
Date:   Tue, 17 Jul 2018 10:12:20 +0000
From:   Anand Moon <linux.amoon@...il.com>
To:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Anand Moon <linux.amoon@...il.com>
Subject: [PATCH 3/5] thermal: exynos: increase the number of trips for exynos542x

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@...sung.com>
Signed-off-by: Anand Moon <linux.amoon@...il.com>
---
 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