diff options
Diffstat (limited to 'drivers/hwmon/ibmpowernv.c')
| -rw-r--r-- | drivers/hwmon/ibmpowernv.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c index adfdf59e8f6c..99ca5362dbca 100644 --- a/drivers/hwmon/ibmpowernv.c +++ b/drivers/hwmon/ibmpowernv.c @@ -55,6 +55,7 @@ static struct sensor_group { const char *compatible; struct attribute_group group; u32 attr_count; + u32 hwmon_index; } sensor_groups[] = { {"fan", "ibm,opal-sensor-cooling-fan"}, {"temp", "ibm,opal-sensor-amb-temp"}, @@ -64,6 +65,8 @@ static struct sensor_group { struct sensor_data { u32 id; /* An opaque id of the firmware for each sensor */ + u32 hwmon_index; + u32 opal_index; enum sensors type; char name[MAX_ATTR_LEN]; struct device_attribute dev_attr; @@ -181,6 +184,19 @@ static int get_sensor_type(struct device_node *np) return MAX_SENSOR_TYPE; } +static u32 get_sensor_hwmon_index(struct sensor_data *sdata, + struct sensor_data *sdata_table, int count) +{ + int i; + + for (i = 0; i < count; i++) + if (sdata_table[i].opal_index == sdata->opal_index && + sdata_table[i].type == sdata->type) + return sdata_table[i].hwmon_index; + + return ++sensor_groups[sdata->type].hwmon_index; +} + static int populate_attr_groups(struct platform_device *pdev) { struct platform_data *pdata = platform_get_drvdata(pdev); @@ -270,8 +286,13 @@ static int create_device_attrs(struct platform_device *pdev) goto exit_put_node; } + sdata[count].opal_index = opal_index; + sdata[count].hwmon_index = + get_sensor_hwmon_index(&sdata[count], sdata, count); + snprintf(sdata[count].name, MAX_ATTR_LEN, "%s%d_%s", - sensor_groups[type].name, opal_index, attr_name); + sensor_groups[type].name, sdata[count].hwmon_index, + attr_name); sysfs_attr_init(&sdata[count].dev_attr.attr); sdata[count].dev_attr.attr.name = sdata[count].name; |