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-rw-r--r--drivers/hwmon/i5500_temp.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/hwmon/i5500_temp.c b/drivers/hwmon/i5500_temp.c
index fdcfa9fcf5c4..fb84a0ecbbad 100644
--- a/drivers/hwmon/i5500_temp.c
+++ b/drivers/hwmon/i5500_temp.c
@@ -121,6 +121,8 @@ static int i5500_temp_probe(struct pci_dev *pdev,
{
int err;
struct device *hwmon_dev;
+ u32 tstimer;
+ s8 tsfsc;
err = pci_enable_device(pdev);
if (err) {
@@ -128,6 +130,13 @@ static int i5500_temp_probe(struct pci_dev *pdev,
return err;
}
+ pci_read_config_byte(pdev, REG_TSFSC, &tsfsc);
+ pci_read_config_dword(pdev, REG_TSTIMER, &tstimer);
+ if (tsfsc == 0x7F && tstimer == 0x07D30D40) {
+ dev_warn(&pdev->dev, "Sensor seems to be disabled\n");
+ return -ENODEV;
+ }
+
hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,
"intel5500", NULL,
i5500_temp_groups);

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