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path: root/drivers/gpio/gpio-max732x.c
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Diffstat (limited to 'drivers/gpio/gpio-max732x.c')
-rw-r--r--drivers/gpio/gpio-max732x.c32
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/gpio/gpio-max732x.c b/drivers/gpio/gpio-max732x.c
index 9504120812a..7c36f2b0983 100644
--- a/drivers/gpio/gpio-max732x.c
+++ b/drivers/gpio/gpio-max732x.c
@@ -453,7 +453,7 @@ static int max732x_irq_setup(struct max732x_chip *chip,
const struct i2c_device_id *id)
{
struct i2c_client *client = chip->client;
- struct max732x_platform_data *pdata = client->dev.platform_data;
+ struct max732x_platform_data *pdata = dev_get_platdata(&client->dev);
int has_irq = max732x_features[id->driver_data] >> 32;
int ret;
@@ -512,7 +512,7 @@ static int max732x_irq_setup(struct max732x_chip *chip,
const struct i2c_device_id *id)
{
struct i2c_client *client = chip->client;
- struct max732x_platform_data *pdata = client->dev.platform_data;
+ struct max732x_platform_data *pdata = dev_get_platdata(&client->dev);
int has_irq = max732x_features[id->driver_data] >> 32;
if (pdata->irq_base && has_irq != INT_NONE)
@@ -526,7 +526,7 @@ static void max732x_irq_teardown(struct max732x_chip *chip)
}
#endif
-static int __devinit max732x_setup_gpio(struct max732x_chip *chip,
+static int max732x_setup_gpio(struct max732x_chip *chip,
const struct i2c_device_id *id,
unsigned gpio_start)
{
@@ -564,7 +564,7 @@ static int __devinit max732x_setup_gpio(struct max732x_chip *chip,
gc->set = max732x_gpio_set_value;
}
gc->get = max732x_gpio_get_value;
- gc->can_sleep = 1;
+ gc->can_sleep = true;
gc->base = gpio_start;
gc->ngpio = port;
@@ -574,7 +574,7 @@ static int __devinit max732x_setup_gpio(struct max732x_chip *chip,
return port;
}
-static int __devinit max732x_probe(struct i2c_client *client,
+static int max732x_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct max732x_platform_data *pdata;
@@ -583,13 +583,14 @@ static int __devinit max732x_probe(struct i2c_client *client,
uint16_t addr_a, addr_b;
int ret, nr_port;
- pdata = client->dev.platform_data;
+ pdata = dev_get_platdata(&client->dev);
if (pdata == NULL) {
dev_dbg(&client->dev, "no platform data\n");
return -EINVAL;
}
- chip = kzalloc(sizeof(struct max732x_chip), GFP_KERNEL);
+ chip = devm_kzalloc(&client->dev, sizeof(struct max732x_chip),
+ GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
chip->client = client;
@@ -621,6 +622,13 @@ static int __devinit max732x_probe(struct i2c_client *client,
goto out_failed;
}
+ if (nr_port > 8 && !chip->client_dummy) {
+ dev_err(&client->dev,
+ "Failed to allocate second group I2C device\n");
+ ret = -ENODEV;
+ goto out_failed;
+ }
+
mutex_init(&chip->lock);
max732x_readb(chip, is_group_a(chip, 0), &chip->reg_out[0]);
@@ -646,14 +654,15 @@ static int __devinit max732x_probe(struct i2c_client *client,
return 0;
out_failed:
+ if (chip->client_dummy)
+ i2c_unregister_device(chip->client_dummy);
max732x_irq_teardown(chip);
- kfree(chip);
return ret;
}
-static int __devexit max732x_remove(struct i2c_client *client)
+static int max732x_remove(struct i2c_client *client)
{
- struct max732x_platform_data *pdata = client->dev.platform_data;
+ struct max732x_platform_data *pdata = dev_get_platdata(&client->dev);
struct max732x_chip *chip = i2c_get_clientdata(client);
int ret;
@@ -680,7 +689,6 @@ static int __devexit max732x_remove(struct i2c_client *client)
if (chip->client_dummy)
i2c_unregister_device(chip->client_dummy);
- kfree(chip);
return 0;
}
@@ -690,7 +698,7 @@ static struct i2c_driver max732x_driver = {
.owner = THIS_MODULE,
},
.probe = max732x_probe,
- .remove = __devexit_p(max732x_remove),
+ .remove = max732x_remove,
.id_table = max732x_id,
};