[PATCH 2/5] thermal: exynos: cleanup of clk err check for exynos_tmu_work

[Anand Moon]

cleanup err check in exynos_tmu_work as clk internal
framework will perform if clk is enable/disable
so drop the double check of IS_ERR and other such references.

CC: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com>
Signed-off-by: Anand Moon <linux.am...@gmail.com>
---
 drivers/thermal/samsung/exynos_tmu.c | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/drivers/thermal/samsung/exynos_tmu.c 
b/drivers/thermal/samsung/exynos_tmu.c
index 0164c9e..2dbde97 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -300,8 +300,7 @@ static int exynos_tmu_initialize(struct platform_device 
*pdev)
 
        mutex_lock(&data->lock);
        clk_enable(data->clk);
-       if (!IS_ERR(data->clk_sec))
-               clk_enable(data->clk_sec);
+       clk_enable(data->clk_sec);
 
        status = readb(data->base + EXYNOS_TMU_REG_STATUS);
        if (!status) {
@@ -334,8 +333,7 @@ static int exynos_tmu_initialize(struct platform_device 
*pdev)
 err:
        clk_disable(data->clk);
        mutex_unlock(&data->lock);
-       if (!IS_ERR(data->clk_sec))
-               clk_disable(data->clk_sec);
+       clk_disable(data->clk_sec);
 out:
        return ret;
 }
@@ -789,19 +787,16 @@ static void exynos_tmu_work(struct work_struct *work)
        struct exynos_tmu_data *data = container_of(work,
                        struct exynos_tmu_data, irq_work);
 
-       if (!IS_ERR(data->clk_sec))
-               clk_enable(data->clk_sec);
-       if (!IS_ERR(data->clk_sec))
-               clk_disable(data->clk_sec);
-
        thermal_zone_device_update(data->tzd, THERMAL_EVENT_UNSPECIFIED);
 
        mutex_lock(&data->lock);
        clk_enable(data->clk);
+       clk_enable(data->clk_sec);
 
        /* TODO: take action based on particular interrupt */
        data->tmu_clear_irqs(data);
 
+       clk_disable(data->clk_sec);
        clk_disable(data->clk);
        mutex_unlock(&data->lock);
        enable_irq(data->irq);
@@ -1134,8 +1129,7 @@ static int exynos_tmu_probe(struct platform_device *pdev)
 err_sclk:
        clk_disable_unprepare(data->sclk);
 err_clk_sec:
-       if (!IS_ERR(data->clk_sec))
-               clk_disable_unprepare(data->clk_sec);
+       clk_disable_unprepare(data->clk_sec);
 err_clk:
        clk_disable_unprepare(data->clk);
 err_sensor:
@@ -1155,8 +1149,7 @@ static int exynos_tmu_remove(struct platform_device *pdev)
 
        clk_disable_unprepare(data->sclk);
        clk_disable_unprepare(data->clk);
-       if (!IS_ERR(data->clk_sec))
-               clk_disable_unprepare(data->clk_sec);
+       clk_disable_unprepare(data->clk_sec);
 
        if (!IS_ERR(data->regulator))
                regulator_disable(data->regulator);
-- 
2.7.4