1 files changed, 17 insertions, 12 deletions

diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index d5aa25ce5dbd..075164dd65a7 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -59,6 +59,10 @@ static const char * w83627ehf_device_names[] = {
         "w83627dhg",
 };
 
+static unsigned short force_id;
+module_param(force_id, ushort, 0);
+MODULE_PARM_DESC(force_id, "Override the detected device ID");
+
 #define DRVNAME "w83627ehf"
 
 /*
@@ -1198,8 +1202,7 @@ static void w83627ehf_device_remove_files(struct device *dev)
                 device_remove_file(dev, &sda_temp[i].dev_attr);
 
         device_remove_file(dev, &dev_attr_name);
-        if (data->vid != 0x3f)
-                device_remove_file(dev, &dev_attr_cpu0_vid);
+        device_remove_file(dev, &dev_attr_cpu0_vid);
 }
 
 /* Get the monitoring functions started */
@@ -1299,11 +1302,16 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
                         }
                 }
 
-                data->vid = superio_inb(sio_data->sioreg, SIO_REG_VID_DATA) & 0x3f;
+                data->vid = superio_inb(sio_data->sioreg, SIO_REG_VID_DATA);
+                if (sio_data->kind == w83627ehf) /* 6 VID pins only */
+                        data->vid &= 0x3f;
+
+                err = device_create_file(dev, &dev_attr_cpu0_vid);
+                if (err)
+                        goto exit_release;
         } else {
                 dev_info(dev, "VID pins in output mode, CPU VID not "
                          "available\n");
-                data->vid = 0x3f;
         }
 
         /* fan4 and fan5 share some pins with the GPIO and serial flash */
@@ -1386,12 +1394,6 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
         if (err)
                 goto exit_remove;
 
-        if (data->vid != 0x3f) {
-                err = device_create_file(dev, &dev_attr_cpu0_vid);
-                if (err)
-                        goto exit_remove;
-        }
-
         data->hwmon_dev = hwmon_device_register(dev);
         if (IS_ERR(data->hwmon_dev)) {
                 err = PTR_ERR(data->hwmon_dev);
@@ -1445,8 +1447,11 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
 
         superio_enter(sioaddr);
 
-        val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8)
-            | superio_inb(sioaddr, SIO_REG_DEVID + 1);
+        if (force_id)
+                val = force_id;
+        else
+                val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8)
+                    | superio_inb(sioaddr, SIO_REG_DEVID + 1);
         switch (val & SIO_ID_MASK) {
         case SIO_W83627EHF_ID:
                 sio_data->kind = w83627ehf;