mfd: tps65910: Use devm_mfd_add_devices() for mfd_device registration

Use devm_mfd_add_devices() for MFD devices registration and remove
the call of mfd_remove_devices() from .remove callback to remove
MFD child-devices. This is done by managed device framework.

CC: Tony Lindgren <tony@atomide.com>
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/tps65910.c

@@ -510,7 +510,7 @@ static int tps65910_i2c_probe(struct i2c_client *i2c,
 		pm_power_off = tps65910_power_off;
 	}
 
-	ret = mfd_add_devices(tps65910->dev, -1,
+	ret = devm_mfd_add_devices(tps65910->dev, -1,
 				   tps65910s, ARRAY_SIZE(tps65910s),
 				   NULL, 0,
 				   regmap_irq_get_domain(tps65910->irq_data));
@@ -528,7 +528,6 @@ static int tps65910_i2c_remove(struct i2c_client *i2c)
 	struct tps65910 *tps65910 = i2c_get_clientdata(i2c);
 
 	tps65910_irq_exit(tps65910);
-	mfd_remove_devices(tps65910->dev);
 
 	return 0;
 }