On 17-06-2013 02:46, Amit Daniel Kachhap wrote:
> 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@xxxxxxxxxxx>
> Acked-by: Jonghwa Lee <jonghwa3.lee@xxxxxxxxxxx>
> Signed-off-by: Amit Daniel Kachhap <amit.daniel@xxxxxxxxxxx>
> ---
Acked-by: Eduardo Valentin <eduardo.valentin@xxxxxx>
> 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 33f494e..f6f63ca 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 e7cb1cc..7fcf183 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,
>
--
You have got to be excited about what you are doing. (L. Lamport)
Eduardo Valentin
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