Messages in this thread | | | Date | Wed, 25 Feb 2015 10:03:30 +0100 | From | Lukasz Majewski <> | Subject | Re: [PATCH 1/2] thermal: exynos: Fix wrong control of power down detection mode for Exynos7 |
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Hi Abhilash,
> 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> > --- > 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);
Could you test this patch if it isn't introducing any regression on your HW?
-- Best regards,
Lukasz Majewski
Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
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