mmc: meson-gx: use devm_mmc_alloc_host

Use new function devm_mmc_alloc_host() to simplify the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/728f159b-885f-c78a-1a3d-f55c245250e1@gmail.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/meson-gx-mmc.c

@@ -1179,7 +1179,7 @@ static int meson_mmc_probe(struct platform_device *pdev)
 	struct mmc_host *mmc;
 	int ret;
 
-	mmc = mmc_alloc_host(sizeof(struct meson_host), &pdev->dev);
+	mmc = devm_mmc_alloc_host(&pdev->dev, sizeof(struct meson_host));
 	if (!mmc)
 		return -ENOMEM;
 	host = mmc_priv(mmc);
@@ -1195,46 +1195,33 @@ static int meson_mmc_probe(struct platform_device *pdev)
 	host->vqmmc_enabled = false;
 	ret = mmc_regulator_get_supply(mmc);
 	if (ret)
-		goto free_host;
+		return ret;
 
 	ret = mmc_of_parse(mmc);
-	if (ret) {
-		if (ret != -EPROBE_DEFER)
-			dev_warn(&pdev->dev, "error parsing DT: %d\n", ret);
-		goto free_host;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret, "error parsing DT\n");
 
 	host->data = (struct meson_mmc_data *)
 		of_device_get_match_data(&pdev->dev);
-	if (!host->data) {
-		ret = -EINVAL;
-		goto free_host;
-	}
+	if (!host->data)
+		return -EINVAL;
 
 	ret = device_reset_optional(&pdev->dev);
-	if (ret) {
-		dev_err_probe(&pdev->dev, ret, "device reset failed\n");
-		goto free_host;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret, "device reset failed\n");
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	host->regs = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(host->regs)) {
-		ret = PTR_ERR(host->regs);
-		goto free_host;
-	}
+	if (IS_ERR(host->regs))
+		return PTR_ERR(host->regs);
 
 	host->irq = platform_get_irq(pdev, 0);
-	if (host->irq <= 0) {
-		ret = -EINVAL;
-		goto free_host;
-	}
+	if (host->irq <= 0)
+		return -EINVAL;
 
 	host->pinctrl = devm_pinctrl_get(&pdev->dev);
-	if (IS_ERR(host->pinctrl)) {
-		ret = PTR_ERR(host->pinctrl);
-		goto free_host;
-	}
+	if (IS_ERR(host->pinctrl))
+		return PTR_ERR(host->pinctrl);
 
 	host->pins_clk_gate = pinctrl_lookup_state(host->pinctrl,
 						   "clk-gate");
@@ -1245,14 +1232,12 @@ static int meson_mmc_probe(struct platform_device *pdev)
 	}
 
 	host->core_clk = devm_clk_get(&pdev->dev, "core");
-	if (IS_ERR(host->core_clk)) {
-		ret = PTR_ERR(host->core_clk);
-		goto free_host;
-	}
+	if (IS_ERR(host->core_clk))
+		return PTR_ERR(host->core_clk);
 
 	ret = clk_prepare_enable(host->core_clk);
 	if (ret)
-		goto free_host;
+		return ret;
 
 	ret = meson_mmc_clk_init(host);
 	if (ret)
@@ -1347,8 +1332,6 @@ static int meson_mmc_probe(struct platform_device *pdev)
 	clk_disable_unprepare(host->mmc_clk);
 err_core_clk:
 	clk_disable_unprepare(host->core_clk);
-free_host:
-	mmc_free_host(mmc);
 	return ret;
 }
 
@@ -1365,7 +1348,6 @@ static int meson_mmc_remove(struct platform_device *pdev)
 	clk_disable_unprepare(host->mmc_clk);
 	clk_disable_unprepare(host->core_clk);
 
-	mmc_free_host(host->mmc);
 	return 0;
 }