regulator: ab8500-ext: Make the return type of ab8500_ext_regulator_exit() void

ab8500_ext_regulator_exit() never fails.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

drivers/regulator/ab8500-ext.c

@@ -394,7 +394,7 @@ int ab8500_ext_regulator_init(struct platform_device *pdev)
 	return 0;
 }
 
-int ab8500_ext_regulator_exit(struct platform_device *pdev)
+void ab8500_ext_regulator_exit(struct platform_device *pdev)
 {
 	int i;
 
@@ -407,8 +407,6 @@ int ab8500_ext_regulator_exit(struct platform_device *pdev)
 
 		regulator_unregister(info->rdev);
 	}
-
-	return 0;
 }
 
 MODULE_LICENSE("GPL v2");

drivers/regulator/ab8500.c

@@ -3194,12 +3194,9 @@ static int ab8500_regulator_remove(struct platform_device *pdev)
 		regulator_unregister(info->regulator);
 	}
 
-	if (!is_ab8505(ab8500)) {
-		/* remove external regulators (after Vaux1, 2 and 3) */
-		err = ab8500_ext_regulator_exit(pdev);
-		if (err)
-			return err;
-	}
+	/* remove external regulators (after Vaux1, 2 and 3) */
+	if (!is_ab8505(ab8500))
+		ab8500_ext_regulator_exit(pdev);
 
 	/* remove regulator debug */
 	err = ab8500_regulator_debug_exit(pdev);

include/linux/regulator/ab8500.h

@@ -338,6 +338,6 @@ static inline int ab8500_regulator_debug_exit(struct platform_device *pdev)
 
 /* AB8500 external regulator functions. */
 int ab8500_ext_regulator_init(struct platform_device *pdev);
-int ab8500_ext_regulator_exit(struct platform_device *pdev);
+void ab8500_ext_regulator_exit(struct platform_device *pdev);
 
 #endif