From 5cbd419cc533a821448fa47fc16f50990eef296f Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Mon, 24 Dec 2012 14:03:51 +0530 Subject: [PATCH] drm/exynos: Use devm_clk_get in exynos_drm_gsc.c This eliminates the need for explicit clk_put and makes the cleanup and exit path code simpler. Signed-off-by: Sachin Kamat Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_drm_gsc.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 04cc46c37c7c..e8ebd6ea1cd6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1684,7 +1684,7 @@ static int __devinit gsc_probe(struct platform_device *pdev) return -ENOMEM; /* clock control */ - ctx->gsc_clk = clk_get(dev, "gscl"); + ctx->gsc_clk = devm_clk_get(dev, "gscl"); if (IS_ERR(ctx->gsc_clk)) { dev_err(dev, "failed to get gsc clock.\n"); return PTR_ERR(ctx->gsc_clk); @@ -1695,16 +1695,14 @@ static int __devinit gsc_probe(struct platform_device *pdev) ctx->regs = devm_request_and_ioremap(dev, ctx->regs_res); if (!ctx->regs) { dev_err(dev, "failed to map registers.\n"); - ret = -ENXIO; - goto err_clk; + return -ENXIO; } /* resource irq */ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!res) { dev_err(dev, "failed to request irq resource.\n"); - ret = -ENOENT; - goto err_clk; + return -ENOENT; } ctx->irq = res->start; @@ -1712,7 +1710,7 @@ 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_clk; + return ret; } /* context initailization */ @@ -1756,8 +1754,6 @@ err_ippdrv_register: pm_runtime_disable(dev); err_get_irq: free_irq(ctx->irq, ctx); -err_clk: - clk_put(ctx->gsc_clk); return ret; } @@ -1775,7 +1771,6 @@ static int __devexit gsc_remove(struct platform_device *pdev) pm_runtime_disable(dev); free_irq(ctx->irq, ctx); - clk_put(ctx->gsc_clk); return 0; }