mfd: da903x: Use devm_*() functions

Use devm_*() functions to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 05176cd..f1a316e 100644 (file)
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -499,7 +499,8 @@ static int da903x_probe(struct i2c_client *client,
        unsigned int tmp;
        int ret;
 
-       chip = kzalloc(sizeof(struct da903x_chip), GFP_KERNEL);
+       chip = devm_kzalloc(&client->dev, sizeof(struct da903x_chip),
+                               GFP_KERNEL);
        if (chip == NULL)
                return -ENOMEM;
 
@@ -515,33 +516,27 @@ static int da903x_probe(struct i2c_client *client,
 
        ret = chip->ops->init_chip(chip);
        if (ret)
-               goto out_free_chip;
+               return ret;
 
        /* mask and clear all IRQs */
        chip->events_mask = 0xffffffff;
        chip->ops->mask_events(chip, chip->events_mask);
        chip->ops->read_events(chip, &tmp);
 
-       ret = request_irq(client->irq, da903x_irq_handler,
+       ret = devm_request_irq(&client->dev, client->irq, da903x_irq_handler,
                        IRQF_TRIGGER_FALLING,
                        "da903x", chip);
        if (ret) {
                dev_err(&client->dev, "failed to request irq %d\n",
                                client->irq);
-               goto out_free_chip;
+               return ret;
        }
 
        ret = da903x_add_subdevs(chip, pdata);
        if (ret)
-               goto out_free_irq;
+               return ret;
 
        return 0;
-
-out_free_irq:
-       free_irq(client->irq, chip);
-out_free_chip:
-       kfree(chip);
-       return ret;
 }
 
 static int da903x_remove(struct i2c_client *client)
@@ -549,8 +544,6 @@ static int da903x_remove(struct i2c_client *client)
        struct da903x_chip *chip = i2c_get_clientdata(client);
 
        da903x_remove_subdevs(chip);
-       free_irq(client->irq, chip);
-       kfree(chip);
        return 0;
 }