From a4463c4f669ac776a1f456fb51fd3c8c99ef904f Mon Sep 17 00:00:00 2001 From: Amit Daniel Kachhap Date: Mon, 24 Jun 2013 16:20:33 +0530 Subject: [PATCH] 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 Acked-by: Jonghwa Lee Acked-by: Eduardo Valentin Signed-off-by: Amit Daniel Kachhap Signed-off-by: Eduardo Valentin --- drivers/thermal/samsung/exynos_tmu.c | 11 +++++------ drivers/thermal/samsung/exynos_tmu_data.c | 2 ++ 2 files changed, 7 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); diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c index 6cac39310881..217b8f522d32 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.c +++ b/drivers/thermal/samsung/exynos_tmu_data.c @@ -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, -- 2.20.1