[PATCH 1/2] thermal: exynos: Fix wrong control of power down detection mode for Exynos7
From: edubezval@gmail.com (Eduardo Valentin)
Date: 2015-02-24 18:53:42
Also in:
linux-pm, linux-samsung-soc, lkml
On Tue, Feb 24, 2015 at 01:56:54PM +0900, Chanwoo Choi wrote:
This patch fixes the wrong control of PD_DET_EN (power down detection mode) for Exynos7 because exynos7_tmu_control() always enables the power down detection mode regardless 'on' parameter. Cc: Zhang Rui <rui.zhang@intel.com> Cc: Eduardo Valentin <edubezval@gmail.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Lukasz, Any objections to this code? BR, Eduardo Valentin
quoted hunk ↗ jump to hunk
--- drivers/thermal/samsung/exynos_tmu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 933cd80..a60f527 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c@@ -682,6 +682,7 @@ static void exynos7_tmu_control(struct platform_device *pdev, bool on) if (on) { con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT); + con |= (1 << EXYNOS7_PD_DET_EN_SHIFT); interrupt_en = (of_thermal_is_trip_valid(tz, 7) << EXYNOS7_TMU_INTEN_RISE7_SHIFT) |@@ -704,9 +705,9 @@ static void exynos7_tmu_control(struct platform_device *pdev, bool on) interrupt_en << EXYNOS_TMU_INTEN_FALL0_SHIFT; } else { con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT); + con &= ~(1 << EXYNOS7_PD_DET_EN_SHIFT); interrupt_en = 0; /* Disable all interrupts */ } - con |= 1 << EXYNOS7_PD_DET_EN_SHIFT; writel(interrupt_en, data->base + EXYNOS7_TMU_REG_INTEN); writel(con, data->base + EXYNOS_TMU_REG_CONTROL);-- 1.8.5.5
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