drm/exynos: Remove explicit freeing using devm_* APIs in exynos_drm_gsc.c

devm_* APIs are device managed and get freed automatically when the
device detaches. Thus explicit freeing is not needed. This saves some
code.

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

1 files changed, 3 insertions, 12 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 509f2f83e5a5..9c6de7a5944b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -1687,8 +1687,7 @@ static int __devinit gsc_probe(struct platform_device *pdev)
         ctx->gsc_clk = clk_get(dev, "gscl");
         if (IS_ERR(ctx->gsc_clk)) {
                 dev_err(dev, "failed to get gsc clock.\n");
-                ret = PTR_ERR(ctx->gsc_clk);
-                goto err_ctx;
+                return PTR_ERR(ctx->gsc_clk);
         }
 
         /* resource memory */
@@ -1711,7 +1710,7 @@ static int __devinit gsc_probe(struct platform_device *pdev)
         if (!res) {
                 dev_err(dev, "failed to request irq resource.\n");
                 ret = -ENOENT;
-                goto err_get_regs;
+                goto err_clk;
         }
 
         ctx->irq = res->start;
@@ -1719,7 +1718,7 @@ static int __devinit gsc_probe(struct platform_device *pdev)
                 IRQF_ONESHOT, "drm_gsc", ctx);
         if (ret < 0) {
                 dev_err(dev, "failed to request irq.\n");
-                goto err_get_regs;
+                goto err_clk;
         }
 
         /* context initailization */
@@ -1763,12 +1762,8 @@ err_ippdrv_register:
         pm_runtime_disable(dev);
 err_get_irq:
         free_irq(ctx->irq, ctx);
-err_get_regs:
-        devm_iounmap(dev, ctx->regs);
 err_clk:
         clk_put(ctx->gsc_clk);
-err_ctx:
-        devm_kfree(dev, ctx);
         return ret;
 }
 
@@ -1786,12 +1781,8 @@ static int __devexit gsc_remove(struct platform_device *pdev)
         pm_runtime_disable(dev);
 
         free_irq(ctx->irq, ctx);
-        devm_iounmap(dev, ctx->regs);
-
         clk_put(ctx->gsc_clk);
 
-        devm_kfree(dev, ctx);
-
         return 0;
 }