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Subject[PATCH 4.4 076/124] thermal: exynos: fix setting rising_threshold for Exynos5433
Date
4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

[ Upstream commit 8bfc218d0ebbabcba8ed2b8ec1831e0cf1f71629 ]

Add missing clearing of the previous value when setting rising
temperature threshold.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/thermal/samsung/exynos_tmu.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -585,6 +585,7 @@ static int exynos5433_tmu_initialize(str
threshold_code = temp_to_code(data, temp);

rising_threshold = readl(data->base + rising_reg_offset);
+ rising_threshold &= ~(0xff << j * 8);
rising_threshold |= (threshold_code << j * 8);
writel(rising_threshold, data->base + rising_reg_offset);


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