drm/exynos: replace request_threaded_irq with devm function

devm_request_threaded_irq is used instead of request_threaded_irq
and free_irq is removed.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos_drm_fimc.c

@@ -1845,7 +1845,7 @@ static int fimc_probe(struct platform_device *pdev)
 	}
 
 	ctx->irq = res->start;
-	ret = request_threaded_irq(ctx->irq, NULL, fimc_irq_handler,
+	ret = devm_request_threaded_irq(dev, ctx->irq, NULL, fimc_irq_handler,
 		IRQF_ONESHOT, "drm_fimc", ctx);
 	if (ret < 0) {
 		dev_err(dev, "failed to request irq.\n");
@@ -1854,7 +1854,7 @@ static int fimc_probe(struct platform_device *pdev)
 
 	ret = fimc_setup_clocks(ctx);
 	if (ret < 0)
-		goto err_free_irq;
+		return ret;
 
 	ippdrv = &ctx->ippdrv;
 	ippdrv->ops[EXYNOS_DRM_OPS_SRC] = &fimc_src_ops;
@@ -1892,8 +1892,6 @@ static int fimc_probe(struct platform_device *pdev)
 	pm_runtime_disable(dev);
 err_put_clk:
 	fimc_put_clocks(ctx);
-err_free_irq:
-	free_irq(ctx->irq, ctx);
 
 	return ret;
 }
@@ -1911,8 +1909,6 @@ static int fimc_remove(struct platform_device *pdev)
 	pm_runtime_set_suspended(dev);
 	pm_runtime_disable(dev);
 
-	free_irq(ctx->irq, ctx);
-
 	return 0;
 }
 

drivers/gpu/drm/exynos/exynos_drm_gsc.c

@@ -1704,7 +1704,7 @@ static int gsc_probe(struct platform_device *pdev)
 	}
 
 	ctx->irq = res->start;
-	ret = request_threaded_irq(ctx->irq, NULL, gsc_irq_handler,
+	ret = devm_request_threaded_irq(dev, ctx->irq, NULL, gsc_irq_handler,
 		IRQF_ONESHOT, "drm_gsc", ctx);
 	if (ret < 0) {
 		dev_err(dev, "failed to request irq.\n");
@@ -1725,7 +1725,7 @@ static int gsc_probe(struct platform_device *pdev)
 	ret = gsc_init_prop_list(ippdrv);
 	if (ret < 0) {
 		dev_err(dev, "failed to init property list.\n");
-		goto err_get_irq;
+		return ret;
 	}
 
 	DRM_DEBUG_KMS("%s:id[%d]ippdrv[0x%x]\n", __func__, ctx->id,
@@ -1749,8 +1749,6 @@ static int gsc_probe(struct platform_device *pdev)
 
 err_ippdrv_register:
 	pm_runtime_disable(dev);
-err_get_irq:
-	free_irq(ctx->irq, ctx);
 	return ret;
 }
 
@@ -1766,8 +1764,6 @@ static int gsc_remove(struct platform_device *pdev)
 	pm_runtime_set_suspended(dev);
 	pm_runtime_disable(dev);
 
-	free_irq(ctx->irq, ctx);
-
 	return 0;
 }
 

drivers/gpu/drm/exynos/exynos_drm_rotator.c

@@ -666,8 +666,8 @@ static int rotator_probe(struct platform_device *pdev)
 		return rot->irq;
 	}
 
-	ret = request_threaded_irq(rot->irq, NULL, rotator_irq_handler,
-			IRQF_ONESHOT, "drm_rotator", rot);
+	ret = devm_request_threaded_irq(dev, rot->irq, NULL,
+			rotator_irq_handler, IRQF_ONESHOT, "drm_rotator", rot);
 	if (ret < 0) {
 		dev_err(dev, "failed to request irq\n");
 		return ret;
@@ -676,8 +676,7 @@ static int rotator_probe(struct platform_device *pdev)
 	rot->clock = devm_clk_get(dev, "rotator");
 	if (IS_ERR(rot->clock)) {
 		dev_err(dev, "failed to get clock\n");
-		ret = PTR_ERR(rot->clock);
-		goto err_clk_get;
+		return PTR_ERR(rot->clock);
 	}
 
 	pm_runtime_enable(dev);
@@ -710,8 +709,6 @@ static int rotator_probe(struct platform_device *pdev)
 
 err_ippdrv_register:
 	pm_runtime_disable(dev);
-err_clk_get:
-	free_irq(rot->irq, rot);
 	return ret;
 }
 
@@ -725,8 +722,6 @@ static int rotator_remove(struct platform_device *pdev)
 
 	pm_runtime_disable(dev);
 
-	free_irq(rot->irq, rot);
-
 	return 0;
 }
 

drivers/gpu/drm/exynos/exynos_hdmi.c

@@ -2046,7 +2046,7 @@ static int hdmi_probe(struct platform_device *pdev)
 
 	hdata->hpd = gpio_get_value(hdata->hpd_gpio);
 
-	ret = request_threaded_irq(hdata->irq, NULL,
+	ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
 			hdmi_irq_thread, IRQF_TRIGGER_RISING |
 			IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
 			"hdmi", drm_hdmi_ctx);
@@ -2075,16 +2075,11 @@ static int hdmi_probe(struct platform_device *pdev)
 static int hdmi_remove(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct exynos_drm_hdmi_context *ctx = platform_get_drvdata(pdev);
-	struct hdmi_context *hdata = ctx->ctx;
 
 	DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
 
 	pm_runtime_disable(dev);
 
-	free_irq(hdata->irq, ctx);
-
-
 	/* hdmiphy i2c driver */
 	i2c_del_driver(&hdmiphy_driver);
 	/* DDC i2c driver */