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mfd: 88pm80x: Remove redundant devm_* calls

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devm_* functions are device managed and make error handling
and code simpler; it also fix error exit paths

Signed-off-by: Yi Zhang <yizhang@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Yi Zhang 2013-01-22 10:43:45 +08:00 committed by Samuel Ortiz
parent b3aac62bbb
commit 306df79850
4 changed files with 10 additions and 28 deletions
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10
drivers/mfd/88pm800.c
View File

@ -531,7 +531,7 @@ static int pm800_probe(struct i2c_client *client,
ret = device_800_init(chip, pdata);
if (ret) {
dev_err(chip->dev, "%s id 0x%x failed!\n", __func__, chip->id);
goto err_800_init;
goto err_subchip_alloc;
}
ret = pm800_pages_init(chip);
@ -546,10 +546,8 @@ static int pm800_probe(struct i2c_client *client,
err_page_init:
mfd_remove_devices(chip->dev);
device_irq_exit_800(chip);
err_800_init:
devm_kfree(&client->dev, subchip);
err_subchip_alloc:
pm80x_deinit(client);
pm80x_deinit();
out_init:
return ret;
}
@ -562,9 +560,7 @@ static int pm800_remove(struct i2c_client *client)
device_irq_exit_800(chip);
pm800_pages_exit(chip);
devm_kfree(&client->dev, chip->subchip);
pm80x_deinit(client);
pm80x_deinit();
return 0;
}

4
drivers/mfd/88pm805.c
View File

@ -257,7 +257,7 @@ static int pm805_probe(struct i2c_client *client,
pdata->plat_config(chip, pdata);
err_805_init:
pm80x_deinit(client);
pm80x_deinit();
out_init:
return ret;
}
@ -269,7 +269,7 @@ static int pm805_remove(struct i2c_client *client)
mfd_remove_devices(chip->dev);
device_irq_exit_805(chip);
pm80x_deinit(client);
pm80x_deinit();
return 0;
}

22
drivers/mfd/88pm80x.c
View File

@ -48,14 +48,12 @@ int pm80x_init(struct i2c_client *client,
ret = PTR_ERR(map);
dev_err(&client->dev, "Failed to allocate register map: %d\n",
ret);
goto err_regmap_init;
return ret;
}
chip->id = id->driver_data;
if (chip->id < CHIP_PM800 || chip->id > CHIP_PM805) {
ret = -EINVAL;
goto err_chip_id;
}
if (chip->id < CHIP_PM800 || chip->id > CHIP_PM805)
return -EINVAL;
chip->client = client;
chip->regmap = map;
@ -82,19 +80,11 @@ int pm80x_init(struct i2c_client *client,
}
return 0;
err_chip_id:
regmap_exit(map);
err_regmap_init:
devm_kfree(&client->dev, chip);
return ret;
}
EXPORT_SYMBOL_GPL(pm80x_init);
int pm80x_deinit(struct i2c_client *client)
int pm80x_deinit(void)
{
struct pm80x_chip *chip = i2c_get_clientdata(client);
/*
* workaround: clear the dependency between pm800 and pm805.
* would remove it after HW chip fixes the issue.
@ -103,10 +93,6 @@ int pm80x_deinit(struct i2c_client *client)
g_pm80x_chip->companion = NULL;
else
g_pm80x_chip = NULL;
regmap_exit(chip->regmap);
devm_kfree(&client->dev, chip);
return 0;
}
EXPORT_SYMBOL_GPL(pm80x_deinit);

2
include/linux/mfd/88pm80x.h
View File

@ -365,5 +365,5 @@ static inline int pm80x_dev_resume(struct device *dev)
extern int pm80x_init(struct i2c_client *client,
const struct i2c_device_id *id);
extern int pm80x_deinit(struct i2c_client *client);
extern int pm80x_deinit(void);
#endif /* __LINUX_MFD_88PM80X_H */