diff options
| author | Armin Wolf <W_Armin@gmx.de> | 2021-07-09 20:45:00 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2021-08-17 14:54:25 -0700 |
| commit | 228f2aed8777a6d52cb7fa7f454c1d47511b677f (patch) | |
| tree | baf1a5ae0ee5bc1e2d28dc97246acf83bde4b03b /drivers/hwmon | |
| parent | 964c1c91ed60dbae30ea30ebe488a6195aa5b613 (diff) | |
| download | linux-228f2aed8777a6d52cb7fa7f454c1d47511b677f.tar.bz2 | |
hwmon: (w83627ehf) Remove w83627ehf_remove()
Using devm_request_region() allows us to omit
w83627ehf_remove() and also simplifies error
handling during probe.
Also fixed a checkpatch issue.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210709184501.6546-3-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/w83627ehf.c | 42 |
1 files changed, 7 insertions, 35 deletions
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 16aed90ca2ec..19af84574324 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -1705,20 +1705,12 @@ static int __init w83627ehf_probe(struct platform_device *pdev) struct device *hwmon_dev; res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (!request_region(res->start, IOREGION_LENGTH, DRVNAME)) { - err = -EBUSY; - dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", - (unsigned long)res->start, - (unsigned long)res->start + IOREGION_LENGTH - 1); - goto exit; - } + if (!devm_request_region(dev, res->start, IOREGION_LENGTH, DRVNAME)) + return -EBUSY; - data = devm_kzalloc(&pdev->dev, sizeof(struct w83627ehf_data), - GFP_KERNEL); - if (!data) { - err = -ENOMEM; - goto exit_release; - } + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; data->addr = res->start; mutex_init(&data->lock); @@ -1882,7 +1874,7 @@ static int __init w83627ehf_probe(struct platform_device *pdev) err = superio_enter(sio_data->sioreg); if (err) - goto exit_release; + return err; /* Read VID value */ if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) { @@ -1951,26 +1943,7 @@ static int __init w83627ehf_probe(struct platform_device *pdev) data, &w83627ehf_chip_info, w83627ehf_groups); - if (IS_ERR(hwmon_dev)) { - err = PTR_ERR(hwmon_dev); - goto exit_release; - } - - return 0; - -exit_release: - release_region(res->start, IOREGION_LENGTH); -exit: - return err; -} - -static int w83627ehf_remove(struct platform_device *pdev) -{ - struct w83627ehf_data *data = platform_get_drvdata(pdev); - - release_region(data->addr, IOREGION_LENGTH); - - return 0; + return PTR_ERR_OR_ZERO(hwmon_dev); } #ifdef CONFIG_PM @@ -2057,7 +2030,6 @@ static struct platform_driver w83627ehf_driver = { .name = DRVNAME, .pm = W83627EHF_DEV_PM_OPS, }, - .remove = w83627ehf_remove, }; /* w83627ehf_find() looks for a '627 in the Super-I/O config space */ |