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Commit fe87789c authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz Committed by Eduardo Valentin
Browse files

thermal: exynos: add get_th_reg() helper 



Factor out code for preparing threshold register value from
exynos_tmu_initialize() into get_th_reg().

This is a preparation for introducing per-SoC type tmu_initialize
method.

There should be no functional changes caused by this patch.

Cc: Amit Daniel Kachhap <amit.daniel@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Tested-by: default avatarLukasz Majewski <l.majewski@samsung.com>
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
parent 8328a4b1

drivers/thermal/samsung/exynos_tmu.c

+23 −14
Original line number Original line Diff line number Diff line
@@ -158,6 +158,25 @@ static void sanitize_temp_error(struct exynos_tmu_data *data, u32 trim_info) 
			EXYNOS_TMU_TEMP_MASK;

			EXYNOS_TMU_TEMP_MASK;

}

}





static u32 get_th_reg(struct exynos_tmu_data *data, u32 threshold, bool falling)

{

	struct exynos_tmu_platform_data *pdata = data->pdata;

	int i;



	for (i = 0; i < pdata->non_hw_trigger_levels; i++) {

		u8 temp = pdata->trigger_levels[i];



		if (falling)

			temp -= pdata->threshold_falling;

		else

			threshold &= ~(0xff << 8 * i);



		threshold |= temp_to_code(data, temp) << 8 * i;

	}



	return threshold;

}



static int exynos_tmu_initialize(struct platform_device *pdev)

static int exynos_tmu_initialize(struct platform_device *pdev)

{

{

	struct exynos_tmu_data *data = platform_get_drvdata(pdev);

	struct exynos_tmu_data *data = platform_get_drvdata(pdev);
@@ -221,8 +240,6 @@ static int exynos_tmu_initialize(struct platform_device *pdev) 
	}

	}

	sanitize_temp_error(data, trim_info);

	sanitize_temp_error(data, trim_info);





	rising_threshold = readl(data->base + reg->threshold_th0);



	if (data->soc == SOC_ARCH_EXYNOS4210) {

	if (data->soc == SOC_ARCH_EXYNOS4210) {

		/* Write temperature code for threshold */

		/* Write temperature code for threshold */

		threshold_code = temp_to_code(data, pdata->threshold);

		threshold_code = temp_to_code(data, pdata->threshold);
@@ -235,18 +252,10 @@ static int exynos_tmu_initialize(struct platform_device *pdev) 
		exynos_tmu_clear_irqs(data);

		exynos_tmu_clear_irqs(data);

	} else {

	} else {

		/* Write temperature code for rising and falling threshold */

		/* Write temperature code for rising and falling threshold */

		for (i = 0; i < pdata->non_hw_trigger_levels; i++) {

		rising_threshold = readl(data->base + reg->threshold_th0);

			threshold_code = temp_to_code(data,

		rising_threshold = get_th_reg(data, rising_threshold, false);

						pdata->trigger_levels[i]);

		if (data->soc != SOC_ARCH_EXYNOS5440)

			rising_threshold &= ~(0xff << 8 * i);

			falling_threshold = get_th_reg(data, 0, true);

			rising_threshold |= threshold_code << 8 * i;

			if (data->soc != SOC_ARCH_EXYNOS5440) {

				threshold_code = temp_to_code(data,

						pdata->trigger_levels[i] -

						pdata->threshold_falling);

				falling_threshold |= threshold_code << 8 * i;

			}

		}





		writel(rising_threshold,

		writel(rising_threshold,

				data->base + reg->threshold_th0);

				data->base + reg->threshold_th0);