pinctrl: imx: 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 <[e-mail]>
Cc: Shawn Guo <[e-mail]>
Cc: Stefan Agner <[e-mail]>
Cc: Adrian Alonso <[e-mail]>
Cc: Uwe Kleine-König <[e-mail]>
Reviewed-by: Philipp Zabel <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

drivers/pinctrl/freescale/pinctrl-imx.c

···
 	ipctl->info = info;
 	ipctl->dev = info->dev;
 	platform_set_drvdata(pdev, ipctl);
-	ipctl->pctl = pinctrl_register(&imx_pinctrl_desc, &pdev->dev, ipctl);
+	ipctl->pctl = devm_pinctrl_register(&pdev->dev, &imx_pinctrl_desc, ipctl);
 	if (IS_ERR(ipctl->pctl)) {
 		dev_err(&pdev->dev, "could not register IMX pinctrl driver\n");
 		return PTR_ERR(ipctl->pctl);
 	}
 
 	dev_info(&pdev->dev, "initialized IMX pinctrl driver\n");
-
-	return 0;
-}
-
-int imx_pinctrl_remove(struct platform_device *pdev)
-{
-	struct imx_pinctrl *ipctl = platform_get_drvdata(pdev);
-
-	pinctrl_unregister(ipctl->pctl);
 
 	return 0;
 }

drivers/pinctrl/freescale/pinctrl-imx.h

···
 
 int imx_pinctrl_probe(struct platform_device *pdev,
 			struct imx_pinctrl_soc_info *info);
-int imx_pinctrl_remove(struct platform_device *pdev);
 #endif /* __DRIVERS_PINCTRL_IMX_H */

drivers/pinctrl/freescale/pinctrl-imx25.c

···
 		.of_match_table = of_match_ptr(imx25_pinctrl_of_match),
 	},
 	.probe = imx25_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init imx25_pinctrl_init(void)

drivers/pinctrl/freescale/pinctrl-imx35.c

···
 		.of_match_table = imx35_pinctrl_of_match,
 	},
 	.probe = imx35_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init imx35_pinctrl_init(void)

drivers/pinctrl/freescale/pinctrl-imx50.c

···
 		.of_match_table = of_match_ptr(imx50_pinctrl_of_match),
 	},
 	.probe = imx50_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init imx50_pinctrl_init(void)

drivers/pinctrl/freescale/pinctrl-imx51.c

···
 		.of_match_table = imx51_pinctrl_of_match,
 	},
 	.probe = imx51_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init imx51_pinctrl_init(void)

drivers/pinctrl/freescale/pinctrl-imx53.c

···
 		.of_match_table = imx53_pinctrl_of_match,
 	},
 	.probe = imx53_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init imx53_pinctrl_init(void)

drivers/pinctrl/freescale/pinctrl-imx6dl.c

···
 		.of_match_table = imx6dl_pinctrl_of_match,
 	},
 	.probe = imx6dl_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init imx6dl_pinctrl_init(void)

drivers/pinctrl/freescale/pinctrl-imx6q.c

···
 		.of_match_table = imx6q_pinctrl_of_match,
 	},
 	.probe = imx6q_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init imx6q_pinctrl_init(void)

drivers/pinctrl/freescale/pinctrl-imx6sl.c

···
 		.of_match_table = imx6sl_pinctrl_of_match,
 	},
 	.probe = imx6sl_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init imx6sl_pinctrl_init(void)

drivers/pinctrl/freescale/pinctrl-imx6sx.c

···
 		.of_match_table = of_match_ptr(imx6sx_pinctrl_of_match),
 	},
 	.probe = imx6sx_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init imx6sx_pinctrl_init(void)

drivers/pinctrl/freescale/pinctrl-imx6ul.c

···
 		.of_match_table = of_match_ptr(imx6ul_pinctrl_of_match),
 	},
 	.probe = imx6ul_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init imx6ul_pinctrl_init(void)

drivers/pinctrl/freescale/pinctrl-imx7d.c

···
 		.of_match_table = of_match_ptr(imx7d_pinctrl_of_match),
 	},
 	.probe = imx7d_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init imx7d_pinctrl_init(void)

drivers/pinctrl/freescale/pinctrl-vf610.c

···
 		.of_match_table = vf610_pinctrl_of_match,
 	},
 	.probe = vf610_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 };
 
 static int __init vf610_pinctrl_init(void)