diff options
Diffstat (limited to 'drivers/hwmon/ibmpowernv.c')
-rw-r--r-- | drivers/hwmon/ibmpowernv.c | 76 |
1 files changed, 19 insertions, 57 deletions
diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c index d2bf2c9..7c2c7be 100644 --- a/drivers/hwmon/ibmpowernv.c +++ b/drivers/hwmon/ibmpowernv.c @@ -74,9 +74,6 @@ struct platform_data { u32 sensors_count; /* Total count of sensors from each group */ }; -/* Platform device representing all the ibmpowernv sensors */ -static struct platform_device *pdevice; - static ssize_t show_sensor(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -99,7 +96,7 @@ static ssize_t show_sensor(struct device *dev, struct device_attribute *devattr, return sprintf(buf, "%u\n", x); } -static int __init get_sensor_index_attr(const char *name, u32 *index, +static int get_sensor_index_attr(const char *name, u32 *index, char *attr) { char *hash_pos = strchr(name, '#'); @@ -136,7 +133,7 @@ static int __init get_sensor_index_attr(const char *name, u32 *index, * which need to be mapped as fan2_input, temp1_max respectively before * populating them inside hwmon device class. */ -static int __init create_hwmon_attr_name(struct device *dev, enum sensors type, +static int create_hwmon_attr_name(struct device *dev, enum sensors type, const char *node_name, char *hwmon_attr_name) { @@ -172,7 +169,7 @@ static int __init create_hwmon_attr_name(struct device *dev, enum sensors type, return 0; } -static int __init populate_attr_groups(struct platform_device *pdev) +static int populate_attr_groups(struct platform_device *pdev) { struct platform_data *pdata = platform_get_drvdata(pdev); const struct attribute_group **pgroups = pdata->attr_groups; @@ -180,11 +177,6 @@ static int __init populate_attr_groups(struct platform_device *pdev) enum sensors type; opal = of_find_node_by_path("/ibm,opal/sensors"); - if (!opal) { - dev_err(&pdev->dev, "Opal node 'sensors' not found\n"); - return -ENODEV; - } - for_each_child_of_node(opal, np) { if (np->name == NULL) continue; @@ -221,7 +213,7 @@ static int __init populate_attr_groups(struct platform_device *pdev) * to the name required by the higher 'hwmon' driver like fan1_input, temp1_max * etc.. */ -static int __init create_device_attrs(struct platform_device *pdev) +static int create_device_attrs(struct platform_device *pdev) { struct platform_data *pdata = platform_get_drvdata(pdev); const struct attribute_group **pgroups = pdata->attr_groups; @@ -280,7 +272,7 @@ exit_put_node: return err; } -static int __init ibmpowernv_probe(struct platform_device *pdev) +static int ibmpowernv_probe(struct platform_device *pdev) { struct platform_data *pdata; struct device *hwmon_dev; @@ -309,55 +301,25 @@ static int __init ibmpowernv_probe(struct platform_device *pdev) return PTR_ERR_OR_ZERO(hwmon_dev); } -static struct platform_driver ibmpowernv_driver = { - .driver = { - .owner = THIS_MODULE, - .name = DRVNAME, +static const struct platform_device_id opal_sensor_driver_ids[] = { + { + .name = "opal-sensor", }, + { } }; +MODULE_DEVICE_TABLE(platform, opal_sensor_driver_ids); -static int __init ibmpowernv_init(void) -{ - int err; - - pdevice = platform_device_alloc(DRVNAME, 0); - if (!pdevice) { - pr_err("Device allocation failed\n"); - err = -ENOMEM; - goto exit; - } - - err = platform_device_add(pdevice); - if (err) { - pr_err("Device addition failed (%d)\n", err); - goto exit_device_put; - } - - err = platform_driver_probe(&ibmpowernv_driver, ibmpowernv_probe); - if (err) { - pr_err("Platfrom driver probe failed\n"); - goto exit_device_del; - } - - return 0; - -exit_device_del: - platform_device_del(pdevice); -exit_device_put: - platform_device_put(pdevice); -exit: - return err; -} +static struct platform_driver ibmpowernv_driver = { + .probe = ibmpowernv_probe, + .id_table = opal_sensor_driver_ids, + .driver = { + .owner = THIS_MODULE, + .name = DRVNAME, + }, +}; -static void __exit ibmpowernv_exit(void) -{ - platform_driver_unregister(&ibmpowernv_driver); - platform_device_unregister(pdevice); -} +module_platform_driver(ibmpowernv_driver); MODULE_AUTHOR("Neelesh Gupta <neelegup@linux.vnet.ibm.com>"); MODULE_DESCRIPTION("IBM POWERNV platform sensors"); MODULE_LICENSE("GPL"); - -module_init(ibmpowernv_init); -module_exit(ibmpowernv_exit); |