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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,
121{ 121{
122 int err; 122 int err;
123 struct device *hwmon_dev; 123 struct device *hwmon_dev;
124 u32 tstimer;
125 s8 tsfsc;
124 126
125 err = pci_enable_device(pdev); 127 err = pci_enable_device(pdev);
126 if (err) { 128 if (err) {
@@ -128,6 +130,13 @@ static int i5500_temp_probe(struct pci_dev *pdev,
128 return err; 130 return err;
129 } 131 }
130 132
133 pci_read_config_byte(pdev, REG_TSFSC, &tsfsc);
134 pci_read_config_dword(pdev, REG_TSTIMER, &tstimer);
135 if (tsfsc == 0x7F && tstimer == 0x07D30D40) {
136 dev_warn(&pdev->dev, "Sensor seems to be disabled\n");
137 return -ENODEV;
138 }
139
131 hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev, 140 hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,
132 "intel5500", NULL, 141 "intel5500", NULL,
133 i5500_temp_groups); 142 i5500_temp_groups);