pinctrl: mvebu: Use devm_pinctrl_register() for pinctrl registration

Use devm_pinctrl_register() for pin control registration and remove
need of .remove callback.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Hongzhou Yang <hongzhou.yang@mediatek.com>
Cc: Fabian Frederick <fabf@skynet.be>
Cc: Andrew Andrianov <andrew@ncrmnt.org>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/mvebu/pinctrl-armada-370.c

@@ -417,18 +417,12 @@ static int armada_370_pinctrl_probe(struct platform_device *pdev)
 	return mvebu_pinctrl_probe(pdev);
 }
 
-static int armada_370_pinctrl_remove(struct platform_device *pdev)
-{
-	return mvebu_pinctrl_remove(pdev);
-}
-
 static struct platform_driver armada_370_pinctrl_driver = {
 	.driver = {
 		.name = "armada-370-pinctrl",
 		.of_match_table = armada_370_pinctrl_of_match,
 	},
 	.probe = armada_370_pinctrl_probe,
-	.remove = armada_370_pinctrl_remove,
 };
 
 module_platform_driver(armada_370_pinctrl_driver);

drivers/pinctrl/mvebu/pinctrl-armada-375.c

@@ -435,18 +435,12 @@ static int armada_375_pinctrl_probe(struct platform_device *pdev)
 	return mvebu_pinctrl_probe(pdev);
 }
 
-static int armada_375_pinctrl_remove(struct platform_device *pdev)
-{
-	return mvebu_pinctrl_remove(pdev);
-}
-
 static struct platform_driver armada_375_pinctrl_driver = {
 	.driver = {
 		.name = "armada-375-pinctrl",
 		.of_match_table = of_match_ptr(armada_375_pinctrl_of_match),
 	},
 	.probe = armada_375_pinctrl_probe,
-	.remove = armada_375_pinctrl_remove,
 };
 
 module_platform_driver(armada_375_pinctrl_driver);

drivers/pinctrl/mvebu/pinctrl-armada-38x.c

@@ -446,18 +446,12 @@ static int armada_38x_pinctrl_probe(struct platform_device *pdev)
 	return mvebu_pinctrl_probe(pdev);
 }
 
-static int armada_38x_pinctrl_remove(struct platform_device *pdev)
-{
-	return mvebu_pinctrl_remove(pdev);
-}
-
 static struct platform_driver armada_38x_pinctrl_driver = {
 	.driver = {
 		.name = "armada-38x-pinctrl",
 		.of_match_table = of_match_ptr(armada_38x_pinctrl_of_match),
 	},
 	.probe = armada_38x_pinctrl_probe,
-	.remove = armada_38x_pinctrl_remove,
 };
 
 module_platform_driver(armada_38x_pinctrl_driver);

drivers/pinctrl/mvebu/pinctrl-armada-39x.c

@@ -428,18 +428,12 @@ static int armada_39x_pinctrl_probe(struct platform_device *pdev)
 	return mvebu_pinctrl_probe(pdev);
 }
 
-static int armada_39x_pinctrl_remove(struct platform_device *pdev)
-{
-	return mvebu_pinctrl_remove(pdev);
-}
-
 static struct platform_driver armada_39x_pinctrl_driver = {
 	.driver = {
 		.name = "armada-39x-pinctrl",
 		.of_match_table = of_match_ptr(armada_39x_pinctrl_of_match),
 	},
 	.probe = armada_39x_pinctrl_probe,
-	.remove = armada_39x_pinctrl_remove,
 };
 
 module_platform_driver(armada_39x_pinctrl_driver);

drivers/pinctrl/mvebu/pinctrl-armada-xp.c

@@ -502,18 +502,12 @@ static int armada_xp_pinctrl_probe(struct platform_device *pdev)
 	return mvebu_pinctrl_probe(pdev);
 }
 
-static int armada_xp_pinctrl_remove(struct platform_device *pdev)
-{
-	return mvebu_pinctrl_remove(pdev);
-}
-
 static struct platform_driver armada_xp_pinctrl_driver = {
 	.driver = {
 		.name = "armada-xp-pinctrl",
 		.of_match_table = armada_xp_pinctrl_of_match,
 	},
 	.probe = armada_xp_pinctrl_probe,
-	.remove = armada_xp_pinctrl_remove,
 	.suspend = armada_xp_pinctrl_suspend,
 	.resume = armada_xp_pinctrl_resume,
 };

drivers/pinctrl/mvebu/pinctrl-dove.c

@@ -840,12 +840,9 @@ static int dove_pinctrl_probe(struct platform_device *pdev)
 
 static int dove_pinctrl_remove(struct platform_device *pdev)
 {
-	int ret;
-
-	ret = mvebu_pinctrl_remove(pdev);
 	if (!IS_ERR(clk))
 		clk_disable_unprepare(clk);
-	return ret;
+	return 0;
 }
 
 static struct platform_driver dove_pinctrl_driver = {

drivers/pinctrl/mvebu/pinctrl-kirkwood.c

@@ -481,18 +481,12 @@ static int kirkwood_pinctrl_probe(struct platform_device *pdev)
 	return mvebu_pinctrl_probe(pdev);
 }
 
-static int kirkwood_pinctrl_remove(struct platform_device *pdev)
-{
-	return mvebu_pinctrl_remove(pdev);
-}
-
 static struct platform_driver kirkwood_pinctrl_driver = {
 	.driver = {
 		.name = "kirkwood-pinctrl",
 		.of_match_table = kirkwood_pinctrl_of_match,
 	},
 	.probe = kirkwood_pinctrl_probe,
-	.remove = kirkwood_pinctrl_remove,
 };
 
 module_platform_driver(kirkwood_pinctrl_driver);

drivers/pinctrl/mvebu/pinctrl-mvebu.c

@@ -711,7 +711,7 @@ int mvebu_pinctrl_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	pctl->pctldev = pinctrl_register(&pctl->desc, &pdev->dev, pctl);
+	pctl->pctldev = devm_pinctrl_register(&pdev->dev, &pctl->desc, pctl);
 	if (IS_ERR(pctl->pctldev)) {
 		dev_err(&pdev->dev, "unable to register pinctrl driver\n");
 		return PTR_ERR(pctl->pctldev);
@@ -725,10 +725,3 @@ int mvebu_pinctrl_probe(struct platform_device *pdev)
 
 	return 0;
 }
-
-int mvebu_pinctrl_remove(struct platform_device *pdev)
-{
-	struct mvebu_pinctrl *pctl = platform_get_drvdata(pdev);
-	pinctrl_unregister(pctl->pctldev);
-	return 0;
-}

drivers/pinctrl/mvebu/pinctrl-mvebu.h

@@ -202,6 +202,5 @@ static inline int default_mpp_ctrl_set(void __iomem *base, unsigned int pid,
 }
 
 int mvebu_pinctrl_probe(struct platform_device *pdev);
-int mvebu_pinctrl_remove(struct platform_device *pdev);
 
 #endif

drivers/pinctrl/mvebu/pinctrl-orion.c

@@ -239,18 +239,12 @@ static int orion_pinctrl_probe(struct platform_device *pdev)
 	return mvebu_pinctrl_probe(pdev);
 }
 
-static int orion_pinctrl_remove(struct platform_device *pdev)
-{
-	return mvebu_pinctrl_remove(pdev);
-}
-
 static struct platform_driver orion_pinctrl_driver = {
 	.driver = {
 		.name = "orion-pinctrl",
 		.of_match_table = of_match_ptr(orion_pinctrl_of_match),
 	},
 	.probe = orion_pinctrl_probe,
-	.remove = orion_pinctrl_remove,
 };
 
 module_platform_driver(orion_pinctrl_driver);