1 files changed, 19 insertions, 21 deletions

diff --git a/drivers/mfd/exynos-lpass.c b/drivers/mfd/exynos-lpass.c
index 166cd21088cd..9bb2687c2835 100644
--- a/drivers/mfd/exynos-lpass.c
+++ b/drivers/mfd/exynos-lpass.c
@@ -101,22 +101,30 @@ static const struct regmap_config exynos_lpass_reg_conf = {
 	.reg_stride	= 4,
 	.val_bits	= 32,
 	.max_register	= 0xfc,
-	.fast_io	= true,
 };
 
+static void exynos_lpass_disable_lpass(void *data)
+{
+	struct platform_device *pdev = data;
+	struct exynos_lpass *lpass = platform_get_drvdata(pdev);
+
+	pm_runtime_disable(&pdev->dev);
+	if (!pm_runtime_status_suspended(&pdev->dev))
+		exynos_lpass_disable(lpass);
+}
+
 static int exynos_lpass_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct exynos_lpass *lpass;
 	void __iomem *base_top;
-	struct resource *res;
+	int ret;
 
 	lpass = devm_kzalloc(dev, sizeof(*lpass), GFP_KERNEL);
 	if (!lpass)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	base_top = devm_ioremap_resource(dev, res);
+	base_top = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base_top))
 		return PTR_ERR(base_top);
 
@@ -124,8 +132,8 @@ static int exynos_lpass_probe(struct platform_device *pdev)
 	if (IS_ERR(lpass->sfr0_clk))
 		return PTR_ERR(lpass->sfr0_clk);
 
-	lpass->top = regmap_init_mmio(dev, base_top,
-					&exynos_lpass_reg_conf);
+	lpass->top = devm_regmap_init_mmio(dev, base_top,
+					   &exynos_lpass_reg_conf);
 	if (IS_ERR(lpass->top)) {
 		dev_err(dev, "LPASS top regmap initialization failed\n");
 		return PTR_ERR(lpass->top);
@@ -136,20 +144,11 @@ static int exynos_lpass_probe(struct platform_device *pdev)
 	pm_runtime_enable(dev);
 	exynos_lpass_enable(lpass);
 
-	return devm_of_platform_populate(dev);
-}
-
-static int exynos_lpass_remove(struct platform_device *pdev)
-{
-	struct exynos_lpass *lpass = platform_get_drvdata(pdev);
-
-	exynos_lpass_disable(lpass);
-	pm_runtime_disable(&pdev->dev);
-	if (!pm_runtime_status_suspended(&pdev->dev))
-		exynos_lpass_disable(lpass);
-	regmap_exit(lpass->top);
+	ret = devm_add_action_or_reset(dev, exynos_lpass_disable_lpass, pdev);
+	if (ret)
+		return ret;
 
-	return 0;
+	return devm_of_platform_populate(dev);
 }
 
 static int __maybe_unused exynos_lpass_suspend(struct device *dev)
@@ -183,13 +182,12 @@ static const struct of_device_id exynos_lpass_of_match[] = {
 MODULE_DEVICE_TABLE(of, exynos_lpass_of_match);
 
 static struct platform_driver exynos_lpass_driver = {
-	.driver = {
+	.driver	= {
 		.name		= "exynos-lpass",
 		.pm		= &lpass_pm_ops,
 		.of_match_table	= exynos_lpass_of_match,
 	},
 	.probe	= exynos_lpass_probe,
-	.remove	= exynos_lpass_remove,
 };
 module_platform_driver(exynos_lpass_driver);