On 31 October 2012 12:17, Jonghwan Choi <jhbird.c...@samsung.com> wrote: > TMU urgently sends active-high signal (thermal trip) to PMU, > and thermal tripping by hardware logic i.e PMU is performed. > Thermal tripping means that PMU cut off the whole power of SoC > by controlling external voltage regulator. > > Signed-off-by: Jonghwan Choi <jhbird.c...@samsung.com> > --- > drivers/thermal/exynos_thermal.c | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/drivers/thermal/exynos_thermal.c > b/drivers/thermal/exynos_thermal.c > index 6ce6667..5672e95 100644 > --- a/drivers/thermal/exynos_thermal.c > +++ b/drivers/thermal/exynos_thermal.c > @@ -53,6 +53,7 @@ > #define EXYNOS_TMU_TRIM_TEMP_MASK 0xff > #define EXYNOS_TMU_GAIN_SHIFT 8 > #define EXYNOS_TMU_REF_VOLTAGE_SHIFT 24 > +#define EXYNOS_TMU_TRIP_EN BIT(12) > #define EXYNOS_TMU_CORE_ON 1 > #define EXYNOS_TMU_CORE_OFF 0 > #define EXYNOS_TMU_DEF_CODE_TO_TEMP_OFFSET 50 > @@ -656,6 +657,9 @@ static void exynos_tmu_control(struct platform_device > *pdev, bool on) > if (data->soc == SOC_ARCH_EXYNOS) { > con |= pdata->noise_cancel_mode << > EXYNOS_TMU_TRIP_MODE_SHIFT; > con |= (EXYNOS_MUX_ADDR_VALUE << EXYNOS_MUX_ADDR_SHIFT); > + > + if (pdata->trigger_level3_en) > + con |= EXYNOS_TMU_TRIP_EN; Hi Jonghwan Choi,
IMO, Also you need to write 4th trigger level, Currently only 3 trigger levels are stored in register THD_TEMP_RISE. Thanks, Amit Daniel > } > > if (on) { > -- > 1.7.4.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/