drm/exynos: Use devm_clk_get in exynos_drm_rotator.c

This eliminates the need for explicit clk_put and makes the
cleanup and exit path code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index 77bd6fd..cc553a6 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -675,7 +675,7 @@ static int __devinit rotator_probe(struct platform_device *pdev)
                return ret;
        }
 
-       rot->clock = clk_get(dev, "rotator");
+       rot->clock = devm_clk_get(dev, "rotator");
        if (IS_ERR_OR_NULL(rot->clock)) {
                dev_err(dev, "failed to get clock\n");
                ret = PTR_ERR(rot->clock);
@@ -713,7 +713,6 @@ static int __devinit rotator_probe(struct platform_device *pdev)
 err_ippdrv_register:
        devm_kfree(dev, ippdrv->prop_list);
        pm_runtime_disable(dev);
-       clk_put(rot->clock);
 err_clk_get:
        free_irq(rot->irq, rot);
        return ret;
@@ -729,7 +728,6 @@ static int __devexit rotator_remove(struct platform_device *pdev)
        exynos_drm_ippdrv_unregister(ippdrv);
 
        pm_runtime_disable(dev);
-       clk_put(rot->clock);
 
        free_irq(rot->irq, rot);