diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/f71882fg.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c index cdd16d4966c3..1cfd2231677a 100644 --- a/drivers/hwmon/f71882fg.c +++ b/drivers/hwmon/f71882fg.c @@ -1507,12 +1507,31 @@ static int __devinit f71882fg_probe(struct platform_device *pdev) mutex_init(&data->update_lock); platform_set_drvdata(pdev, data); + start_reg = f71882fg_read8(data, F71882FG_REG_START); + if (!(start_reg & 0x03)) { + dev_warn(&pdev->dev, "Hardware monitoring not activated\n"); + err = -ENODEV; + goto exit_free; + } + + /* If it is a 71862 and the fan / pwm part is enabled sanity check + the pwm settings */ + if (data->type == f71862fg && (start_reg & 0x02)) { + u8 reg = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE); + if ((reg & 0x15) != 0x15) { + dev_err(&pdev->dev, + "Invalid (reserved) pwm settings: 0x%02x\n", + (unsigned int)reg); + err = -ENODEV; + goto exit_free; + } + } + /* Register sysfs interface files */ err = device_create_file(&pdev->dev, &dev_attr_name); if (err) goto exit_unregister_sysfs; - start_reg = f71882fg_read8(data, F71882FG_REG_START); if (start_reg & 0x01) { err = f71882fg_create_sysfs_files(pdev, f718x2fg_in_temp_attr, ARRAY_SIZE(f718x2fg_in_temp_attr)); @@ -1558,7 +1577,9 @@ static int __devinit f71882fg_probe(struct platform_device *pdev) exit_unregister_sysfs: f71882fg_remove(pdev); /* Will unregister the sysfs files for us */ - + return err; /* f71882fg_remove() also frees our data */ +exit_free: + kfree(data); return err; } @@ -1600,8 +1621,6 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address, { int err = -ENODEV; u16 devid; - u8 reg; - struct f71882fg_data data; superio_enter(sioaddr); @@ -1638,25 +1657,6 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address, } *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */ - data.addr = *address; - reg = f71882fg_read8(&data, F71882FG_REG_START); - if (!(reg & 0x03)) { - printk(KERN_WARNING DRVNAME - ": Hardware monitoring not activated\n"); - goto exit; - } - - /* If it is a 71862 and the fan / pwm part is enabled sanity check - the pwm settings */ - if (sio_data->type == f71862fg && (reg & 0x02)) { - reg = f71882fg_read8(&data, F71882FG_REG_PWM_ENABLE); - if ((reg & 0x15) != 0x15) { - printk(KERN_ERR DRVNAME - ": Invalid (reserved) pwm settings: 0x%02x\n", - (unsigned int)reg); - goto exit; - } - } err = 0; printk(KERN_INFO DRVNAME ": Found %s chip at %#x, revision %d\n", f71882fg_names[sio_data->type], (unsigned int)*address, |