diff options
| -rw-r--r-- | drivers/hwmon/i5500_temp.c | 9 |
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); |