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path: root/drivers/mfd/da903x.c
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Diffstat (limited to 'drivers/mfd/da903x.c')
-rw-r--r--drivers/mfd/da903x.c46
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 7283d88656a..e0a2e0ee603 100644
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -18,6 +18,7 @@
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/mfd/da903x.h>
+#include <linux/slab.h>
#define DA9030_CHIP_ID 0x00
#define DA9030_EVENT_A 0x01
@@ -181,7 +182,7 @@ int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
if (ret)
goto out;
- if ((reg_val & bit_mask) == 0) {
+ if ((reg_val & bit_mask) != bit_mask) {
reg_val |= bit_mask;
ret = __da903x_write(chip->client, reg, reg_val);
}
@@ -245,7 +246,7 @@ int da903x_query_status(struct device *dev, unsigned int sbits)
}
EXPORT_SYMBOL(da903x_query_status);
-static int __devinit da9030_init_chip(struct da903x_chip *chip)
+static int da9030_init_chip(struct da903x_chip *chip)
{
uint8_t chip_id;
int err;
@@ -458,7 +459,7 @@ static int da903x_remove_subdevs(struct da903x_chip *chip)
return device_for_each_child(chip->dev, NULL, __remove_subdev);
}
-static int __devinit da903x_add_subdevs(struct da903x_chip *chip,
+static int da903x_add_subdevs(struct da903x_chip *chip,
struct da903x_platform_data *pdata)
{
struct da903x_subdev_info *subdev;
@@ -469,13 +470,19 @@ static int __devinit da903x_add_subdevs(struct da903x_chip *chip,
subdev = &pdata->subdevs[i];
pdev = platform_device_alloc(subdev->name, subdev->id);
+ if (!pdev) {
+ ret = -ENOMEM;
+ goto failed;
+ }
pdev->dev.parent = chip->dev;
pdev->dev.platform_data = subdev->platform_data;
ret = platform_device_add(pdev);
- if (ret)
+ if (ret) {
+ platform_device_put(pdev);
goto failed;
+ }
}
return 0;
@@ -484,15 +491,16 @@ failed:
return ret;
}
-static int __devinit da903x_probe(struct i2c_client *client,
+static int da903x_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- struct da903x_platform_data *pdata = client->dev.platform_data;
+ struct da903x_platform_data *pdata = dev_get_platdata(&client->dev);
struct da903x_chip *chip;
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;
@@ -508,42 +516,34 @@ static int __devinit 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,
- IRQF_DISABLED | IRQF_TRIGGER_FALLING,
+ 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:
- i2c_set_clientdata(client, NULL);
- kfree(chip);
- return ret;
}
-static int __devexit da903x_remove(struct i2c_client *client)
+static int da903x_remove(struct i2c_client *client)
{
struct da903x_chip *chip = i2c_get_clientdata(client);
da903x_remove_subdevs(chip);
- kfree(chip);
return 0;
}
@@ -553,7 +553,7 @@ static struct i2c_driver da903x_driver = {
.owner = THIS_MODULE,
},
.probe = da903x_probe,
- .remove = __devexit_p(da903x_remove),
+ .remove = da903x_remove,
.id_table = da903x_id_table,
};
@@ -561,7 +561,7 @@ static int __init da903x_init(void)
{
return i2c_add_driver(&da903x_driver);
}
-module_init(da903x_init);
+subsys_initcall(da903x_init);
static void __exit da903x_exit(void)
{