Thermal: exynos: Add clk_{un}prepare APIs

clk_{un}prepare APIs are required to migrate to common
clock framework. While at it convert to use devm_clk_get as
it removes some cleanup code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Amit Daniel Kachhap <amit.daniel@samsung.com>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c
index 46568c078dee..055cd60b839f 100644
--- a/drivers/thermal/exynos_thermal.c
+++ b/drivers/thermal/exynos_thermal.c
@@ -985,12 +985,16 @@ static int exynos_tmu_probe(struct platform_device *pdev)
                 return ret;
         }
 
-        data->clk = clk_get(NULL, "tmu_apbif");
+        data->clk = devm_clk_get(&pdev->dev, "tmu_apbif");
         if (IS_ERR(data->clk)) {
                 dev_err(&pdev->dev, "Failed to get clock\n");
                 return  PTR_ERR(data->clk);
         }
 
+        ret = clk_prepare(data->clk);
+        if (ret)
+                return ret;
+
         if (pdata->type == SOC_ARCH_EXYNOS ||
                                 pdata->type == SOC_ARCH_EXYNOS4210)
                 data->soc = pdata->type;
@@ -1046,7 +1050,7 @@ static int exynos_tmu_probe(struct platform_device *pdev)
         return 0;
 err_clk:
         platform_set_drvdata(pdev, NULL);
-        clk_put(data->clk);
+        clk_unprepare(data->clk);
         return ret;
 }
 
@@ -1060,7 +1064,7 @@ static int exynos_tmu_remove(struct platform_device *pdev)
 
         exynos_unregister_thermal();
 
-        clk_put(data->clk);
+        clk_unprepare(data->clk);
 
         platform_set_drvdata(pdev, NULL);