#include <linux/mutex.h>
#include <asm/io.h>
+static unsigned short force_id;
+module_param(force_id, ushort, 0);
+MODULE_PARM_DESC(force_id, "Override the detected device ID");
+
static struct platform_device *pdev;
#define DRVNAME "smsc47b397"
struct smsc47b397_data {
unsigned short addr;
const char *name;
- struct class_device *class_dev;
+ struct device *hwmon_dev;
struct mutex lock;
struct mutex update_lock;
REG: count of 90kHz pulses / revolution */
static int fan_from_reg(u16 reg)
{
+ if (reg == 0 || reg == 0xffff)
+ return 0;
return 90000 * 60 / reg;
}
struct smsc47b397_data *data = platform_get_drvdata(pdev);
struct resource *res;
- hwmon_device_unregister(data->class_dev);
+ hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&pdev->dev.kobj, &smsc47b397_group);
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
release_region(res->start, SMSC_EXTENT);
if ((err = sysfs_create_group(&dev->kobj, &smsc47b397_group)))
goto error_free;
- data->class_dev = hwmon_device_register(dev);
- if (IS_ERR(data->class_dev)) {
- err = PTR_ERR(data->class_dev);
+ data->hwmon_dev = hwmon_device_register(dev);
+ if (IS_ERR(data->hwmon_dev)) {
+ err = PTR_ERR(data->hwmon_dev);
goto error_remove;
}
u8 id, rev;
superio_enter();
- id = superio_inb(SUPERIO_REG_DEVID);
+ id = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID);
- if ((id != 0x6f) && (id != 0x81)) {
+ if ((id != 0x6f) && (id != 0x81) && (id != 0x85)) {
superio_exit();
return -ENODEV;
}
printk(KERN_INFO DRVNAME ": found SMSC %s "
"(base address 0x%04x, revision %u)\n",
- id == 0x81 ? "SCH5307-NS" : "LPC47B397-NC", *addr, rev);
+ id == 0x81 ? "SCH5307-NS" : id == 0x85 ? "SCH5317" :
+ "LPC47B397-NC", *addr, rev);
superio_exit();
return 0;