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thermal: exynos: Fix to clear only the generated interrupts 

This patch uses the TMU status register to know the generated interrupts
and only clear them in the interrupt handler.

Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
This commit is contained in:
Amit Daniel Kachhap 2013-06-24 16:20:33 +05:30 committed by Eduardo Valentin
parent 7ca04e587e
commit a4463c4f66
2 changed files with 7 additions and 6 deletions
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11
drivers/thermal/samsung/exynos_tmu.c
View File

@ -351,17 +351,16 @@ static void exynos_tmu_work(struct work_struct *work)
struct exynos_tmu_data, irq_work);
struct exynos_tmu_platform_data *pdata = data->pdata;
const struct exynos_tmu_registers *reg = pdata->registers;
unsigned int val_irq;
exynos_report_trigger();
mutex_lock(&data->lock);
clk_enable(data->clk);
if (data->soc == SOC_ARCH_EXYNOS)
writel((reg->inten_rise_mask << reg->inten_rise_shift) |
(reg->inten_fall_mask << reg->inten_fall_shift),
data->base + reg->tmu_intclear);
else
writel(reg->inten_rise_mask, data->base + reg->tmu_intclear);
/* TODO: take action based on particular interrupt */
val_irq = readl(data->base + reg->tmu_intstat);
/* clear the interrupts */
writel(val_irq, data->base + reg->tmu_intclear);
clk_disable(data->clk);
mutex_unlock(&data->lock);

2
drivers/thermal/samsung/exynos_tmu_data.c
View File

@ -45,6 +45,7 @@ static const struct exynos_tmu_registers exynos4210_tmu_registers = {
.inten_rise1_shift = EXYNOS_TMU_INTEN_RISE1_SHIFT,
.inten_rise2_shift = EXYNOS_TMU_INTEN_RISE2_SHIFT,
.inten_rise3_shift = EXYNOS_TMU_INTEN_RISE3_SHIFT,
.tmu_intstat = EXYNOS_TMU_REG_INTSTAT,
.tmu_intclear = EXYNOS_TMU_REG_INTCLEAR,
};
struct exynos_tmu_platform_data const exynos4210_default_tmu_data = {
@ -112,6 +113,7 @@ static const struct exynos_tmu_registers exynos5250_tmu_registers = {
.inten_rise2_shift = EXYNOS_TMU_INTEN_RISE2_SHIFT,
.inten_rise3_shift = EXYNOS_TMU_INTEN_RISE3_SHIFT,
.inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT,
.tmu_intstat = EXYNOS_TMU_REG_INTSTAT,
.tmu_intclear = EXYNOS_TMU_REG_INTCLEAR,
.emul_con = EXYNOS_EMUL_CON,
.emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT,