@@ -289,8 +289,7 @@ 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) {
@@ -323,8 +322,7 @@ 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;
}
@@ -1119,8 +1117,7 @@ static int exynos_tmu_probe(struct platform_device *pdev)
err_thermal:
thermal_zone_of_sensor_unregister(&pdev->dev, data->tzd);
err_clk_sec:
- if (!IS_ERR(data->clk_sec))
- clk_disable_unprepare(data->clk_sec);
+ clk_disable_unprepare(data->clk_sec);
err_sclk:
clk_disable_unprepare(data->sclk);
err_clk_apbif:
@@ -1142,8 +1139,7 @@ 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);
All code in clk_disable_unprepare() already checks the clk ptr using IS_ERR_OR_NULL so there is no need to check it again before calling it. A lot of other drivers already rely on this behaviour, so it's safe to do so here. Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Anand Moon <linux.amoon@gmail.com> --- v1: improve the commit message --- drivers/thermal/samsung/exynos_tmu.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-)