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>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index 33f494ea1ed1..f6f63ca6faf3 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -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);