diff options
| author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2014-11-13 15:01:17 (GMT) |
|---|---|---|
| committer | Eduardo Valentin <edubezval@gmail.com> | 2014-11-20 14:54:05 (GMT) |
| commit | 154013ea5fc9de969f6808b4bbb7e986e396f1f1 (patch) | |
| tree | bc547772e4351aec9155dcf8f35ed9e590067239 /drivers/thermal | |
| parent | b79985ca74b25926cb2d88b60805092c5456bf43 (diff) | |
| download | linux-154013ea5fc9de969f6808b4bbb7e986e396f1f1.tar.xz | |
thermal: exynos: add get_emul_con_reg() helper
Factor out code for preparing EMUL_CON register value from
exynos_tmu_set_emulation() into get_emul_con_reg().
This is a preparation for introducing per-SoC type
tmu_set_emulation 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: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/samsung/exynos_tmu.c | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index b209593..1b622ce 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -438,6 +438,28 @@ static int exynos_tmu_read(struct exynos_tmu_data *data) } #ifdef CONFIG_THERMAL_EMULATION +static u32 get_emul_con_reg(struct exynos_tmu_data *data, unsigned int val, + unsigned long temp) +{ + struct exynos_tmu_platform_data *pdata = data->pdata; + + if (temp) { + temp /= MCELSIUS; + + if (TMU_SUPPORTS(pdata, EMUL_TIME)) { + val &= ~(EXYNOS_EMUL_TIME_MASK << EXYNOS_EMUL_TIME_SHIFT); + val |= (EXYNOS_EMUL_TIME << EXYNOS_EMUL_TIME_SHIFT); + } + val &= ~(EXYNOS_EMUL_DATA_MASK << EXYNOS_EMUL_DATA_SHIFT); + val |= (temp_to_code(data, temp) << EXYNOS_EMUL_DATA_SHIFT) | + EXYNOS_EMUL_ENABLE; + } else { + val &= ~EXYNOS_EMUL_ENABLE; + } + + return val; +} + static int exynos_tmu_set_emulation(void *drv_data, unsigned long temp) { struct exynos_tmu_data *data = drv_data; @@ -456,21 +478,7 @@ static int exynos_tmu_set_emulation(void *drv_data, unsigned long temp) clk_enable(data->clk); val = readl(data->base + reg->emul_con); - - if (temp) { - temp /= MCELSIUS; - - if (TMU_SUPPORTS(pdata, EMUL_TIME)) { - val &= ~(EXYNOS_EMUL_TIME_MASK << EXYNOS_EMUL_TIME_SHIFT); - val |= (EXYNOS_EMUL_TIME << EXYNOS_EMUL_TIME_SHIFT); - } - val &= ~(EXYNOS_EMUL_DATA_MASK << EXYNOS_EMUL_DATA_SHIFT); - val |= (temp_to_code(data, temp) << EXYNOS_EMUL_DATA_SHIFT) | - EXYNOS_EMUL_ENABLE; - } else { - val &= ~EXYNOS_EMUL_ENABLE; - } - + val = get_emul_con_reg(data, val, temp); writel(val, data->base + reg->emul_con); clk_disable(data->clk); |