hwmon: (coretemp) Properly label the sensors

commit 3f4f09b4be35d38d6e2bf22c989443e65e70fc4c upstream.

Don't assume that CPU entry number and core ID always match. It
worked in the simple cases (single CPU, no HT) but fails on
multi-CPU systems.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Huaxu Wan <huaxu.wan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index cb4290a5b68f347457cd3d691aa03d68f0342dde..bb4a7f4d160518585a788fcd5701d3b1de9279ff 100644 (file)
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -53,6 +53,7 @@ struct coretemp_data {
        struct mutex update_lock;
        const char *name;
        u32 id;
+       u16 core_id;
        char valid;             /* zero until following fields are valid */
        unsigned long last_updated;     /* in jiffies */
        int temp;
@@ -75,7 +76,7 @@ static ssize_t show_name(struct device *dev, struct device_attribute
        if (attr->index == SHOW_NAME)
                ret = sprintf(buf, "%s\n", data->name);
        else    /* show label */
-               ret = sprintf(buf, "Core %d\n", data->id);
+               ret = sprintf(buf, "Core %d\n", data->core_id);
        return ret;
 }
 
@@ -255,6 +256,9 @@ static int __devinit coretemp_probe(struct platform_device *pdev)
        }
 
        data->id = pdev->id;
+#ifdef CONFIG_SMP
+       data->core_id = c->cpu_core_id;
+#endif
        data->name = "coretemp";
        mutex_init(&data->update_lock);