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path: root/drivers/hwmon/coretemp.c
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Diffstat (limited to 'drivers/hwmon/coretemp.c')
-rw-r--r--drivers/hwmon/coretemp.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index b2e59b395ce4..bbb0b0d463f7 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -177,18 +177,19 @@ static ssize_t show_temp(struct device *dev,
/* Check whether the time interval has elapsed */
if (!tdata->valid || time_after(jiffies, tdata->last_updated + HZ)) {
rdmsr_on_cpu(tdata->cpu, tdata->status_reg, &eax, &edx);
- tdata->valid = 0;
- /* Check whether the data is valid */
- if (eax & 0x80000000) {
- tdata->temp = tdata->tjmax -
- ((eax >> 16) & 0x7f) * 1000;
- tdata->valid = 1;
- }
+ /*
+ * Ignore the valid bit. In all observed cases the register
+ * value is either low or zero if the valid bit is 0.
+ * Return it instead of reporting an error which doesn't
+ * really help at all.
+ */
+ tdata->temp = tdata->tjmax - ((eax >> 16) & 0x7f) * 1000;
+ tdata->valid = 1;
tdata->last_updated = jiffies;
}
mutex_unlock(&tdata->update_lock);
- return tdata->valid ? sprintf(buf, "%d\n", tdata->temp) : -EAGAIN;
+ return sprintf(buf, "%d\n", tdata->temp);
}
struct tjmax_pci {