1 files changed, 20 insertions, 31 deletions

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index faa907f2f443..c9d41d75e7f2 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -13,9 +13,9 @@
 #include <linux/pm_runtime.h>
 #include <linux/soc/mediatek/mtk-cmdq.h>
 
+#include "mtk_crtc.h"
+#include "mtk_ddp_comp.h"
 #include "mtk_disp_drv.h"
-#include "mtk_drm_crtc.h"
-#include "mtk_drm_ddp_comp.h"
 #include "mtk_drm_drv.h"
 
 #define DISP_REG_RDMA_INT_ENABLE		0x0000
@@ -313,7 +313,6 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct mtk_disp_rdma *priv;
-	struct resource *res;
 	int irq;
 	int ret;
 
@@ -326,32 +325,25 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
 		return irq;
 
 	priv->clk = devm_clk_get(dev, NULL);
-	if (IS_ERR(priv->clk)) {
-		dev_err(dev, "failed to get rdma clk\n");
-		return PTR_ERR(priv->clk);
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(priv->regs)) {
-		dev_err(dev, "failed to ioremap rdma\n");
-		return PTR_ERR(priv->regs);
-	}
+	if (IS_ERR(priv->clk))
+		return dev_err_probe(dev, PTR_ERR(priv->clk),
+				     "failed to get rdma clk\n");
+
+	priv->regs = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(priv->regs))
+		return dev_err_probe(dev, PTR_ERR(priv->regs),
+				     "failed to ioremap rdma\n");
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
 	ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);
 	if (ret)
 		dev_dbg(dev, "get mediatek,gce-client-reg fail!\n");
 #endif
 
-	if (of_find_property(dev->of_node, "mediatek,rdma-fifo-size", &ret)) {
-		ret = of_property_read_u32(dev->of_node,
-					   "mediatek,rdma-fifo-size",
-					   &priv->fifo_size);
-		if (ret) {
-			dev_err(dev, "Failed to get rdma fifo size\n");
-			return ret;
-		}
-	}
+	ret = of_property_read_u32(dev->of_node,
+				   "mediatek,rdma-fifo-size",
+				   &priv->fifo_size);
+	if (ret && (ret != -EINVAL))
+		return dev_err_probe(dev, ret, "Failed to get rdma fifo size\n");
 
 	/* Disable and clear pending interrupts */
 	writel(0x0, priv->regs + DISP_REG_RDMA_INT_ENABLE);
@@ -359,10 +351,8 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
 
 	ret = devm_request_irq(dev, irq, mtk_disp_rdma_irq_handler,
 			       IRQF_TRIGGER_NONE, dev_name(dev), priv);
-	if (ret < 0) {
-		dev_err(dev, "Failed to request irq %d: %d\n", irq, ret);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "Failed to request irq %d\n", irq);
 
 	priv->data = of_device_get_match_data(dev);
 
@@ -373,10 +363,10 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
 	ret = component_add(dev, &mtk_disp_rdma_component_ops);
 	if (ret) {
 		pm_runtime_disable(dev);
-		dev_err(dev, "Failed to add component: %d\n", ret);
+		return dev_err_probe(dev, ret, "Failed to add component\n");
 	}
 
-	return ret;
+	return 0;
 }
 
 static void mtk_disp_rdma_remove(struct platform_device *pdev)
@@ -425,10 +415,9 @@ MODULE_DEVICE_TABLE(of, mtk_disp_rdma_driver_dt_match);
 
 struct platform_driver mtk_disp_rdma_driver = {
 	.probe		= mtk_disp_rdma_probe,
-	.remove_new	= mtk_disp_rdma_remove,
+	.remove		= mtk_disp_rdma_remove,
 	.driver		= {
 		.name	= "mediatek-disp-rdma",
-		.owner	= THIS_MODULE,
 		.of_match_table = mtk_disp_rdma_driver_dt_match,
 	},
 };