diff options
Diffstat (limited to 'drivers/thermal/samsung/exynos_tmu.c')
| -rw-r--r-- | drivers/thermal/samsung/exynos_tmu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index ed805c7c5ace..986cbd01aaaa 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -185,6 +185,7 @@ * @regulator: pointer to the TMU regulator structure. * @reg_conf: pointer to structure to register with core thermal. * @ntrip: number of supported trip points. + * @enabled: current status of TMU device * @tmu_initialize: SoC specific TMU initialization method * @tmu_control: SoC specific TMU control method * @tmu_read: SoC specific TMU temperature read method @@ -205,6 +206,7 @@ struct exynos_tmu_data { struct regulator *regulator; struct thermal_zone_device *tzd; unsigned int ntrip; + bool enabled; int (*tmu_initialize)(struct platform_device *pdev); void (*tmu_control)(struct platform_device *pdev, bool on); @@ -398,6 +400,7 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on) mutex_lock(&data->lock); clk_enable(data->clk); data->tmu_control(pdev, on); + data->enabled = on; clk_disable(data->clk); mutex_unlock(&data->lock); } @@ -890,7 +893,7 @@ static int exynos_get_temp(void *p, int *temp) { struct exynos_tmu_data *data = p; - if (!data || !data->tmu_read) + if (!data || !data->tmu_read || !data->enabled) return -EINVAL; mutex_lock(&data->lock); |