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>

diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c
index 46568c078dee8d2fe4c195cc4659e68e6653f36d..055cd60b839fb60386384943689bb676de8bb1d3 100644 (file)
--- 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);