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authorGuenter Roeck <linux@roeck-us.net>2012-06-02 11:35:55 -0700
committerGuenter Roeck <linux@roeck-us.net>2012-09-23 21:08:33 -0700
commit7711f1bd039233464dbde346f4a14a4bb874f77f (patch)
treeb9355536cdc715ac32d2077cbd8e019c8697e247 /drivers/hwmon/vt8231.c
parenta844af19b9a8c3bcd1169f60916b0f7c40b6295f (diff)
hwmon: (vt8231) Convert to use devm_ functions
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Roger Lucas <vt8231@hiddenengine.co.uk> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/vt8231.c')
-rw-r--r--drivers/hwmon/vt8231.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c
index 386a84538010..84e3dc5e3a83 100644
--- a/drivers/hwmon/vt8231.c
+++ b/drivers/hwmon/vt8231.c
@@ -789,18 +789,16 @@ static int vt8231_probe(struct platform_device *pdev)
/* Reserve the ISA region */
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
- if (!request_region(res->start, VT8231_EXTENT,
- vt8231_driver.driver.name)) {
+ if (!devm_request_region(&pdev->dev, res->start, VT8231_EXTENT,
+ vt8231_driver.driver.name)) {
dev_err(&pdev->dev, "Region 0x%lx-0x%lx already in use!\n",
(unsigned long)res->start, (unsigned long)res->end);
return -ENODEV;
}
- data = kzalloc(sizeof(struct vt8231_data), GFP_KERNEL);
- if (!data) {
- err = -ENOMEM;
- goto exit_release;
- }
+ data = devm_kzalloc(&pdev->dev, sizeof(struct vt8231_data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
platform_set_drvdata(pdev, data);
data->addr = res->start;
@@ -812,7 +810,7 @@ static int vt8231_probe(struct platform_device *pdev)
/* Register sysfs hooks */
err = sysfs_create_group(&pdev->dev.kobj, &vt8231_group);
if (err)
- goto exit_free;
+ return err;
/* Must update device information to find out the config field */
data->uch_config = vt8231_read_value(data, VT8231_REG_UCH_CONFIG);
@@ -850,13 +848,6 @@ exit_remove_files:
sysfs_remove_group(&pdev->dev.kobj, &vt8231_group_temps[i]);
sysfs_remove_group(&pdev->dev.kobj, &vt8231_group);
-
-exit_free:
- platform_set_drvdata(pdev, NULL);
- kfree(data);
-
-exit_release:
- release_region(res->start, VT8231_EXTENT);
return err;
}
@@ -875,9 +866,6 @@ static int __devexit vt8231_remove(struct platform_device *pdev)
sysfs_remove_group(&pdev->dev.kobj, &vt8231_group);
- release_region(data->addr, VT8231_EXTENT);
- platform_set_drvdata(pdev, NULL);
- kfree(data);
return 0;
}