diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hwmon/nct6775.c | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index 7a3a1d59553e..bd1c4772994a 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -3436,7 +3436,8 @@ nct6775_check_fan_inputs(struct nct6775_data *data) bool pwm3pin = false, pwm4pin = false, pwm5pin = false; bool pwm6pin = false, pwm7pin = false; int sioreg = data->sioreg; - int regval; + int cr24; + int cr2c; /* Store SIO_REG_ENABLE for use during resume */ superio_select(sioreg, NCT6775_LD_HWM); @@ -3444,10 +3445,10 @@ nct6775_check_fan_inputs(struct nct6775_data *data) /* fan4 and fan5 share some pins with the GPIO and serial flash */ if (data->kind == nct6775) { - regval = superio_inb(sioreg, 0x2c); + cr2c = superio_inb(sioreg, 0x2c); - fan3pin = regval & BIT(6); - pwm3pin = regval & BIT(7); + fan3pin = cr2c & BIT(6); + pwm3pin = cr2c & BIT(7); /* On NCT6775, fan4 shares pins with the fdc interface */ fan4pin = !(superio_inb(sioreg, 0x2A) & 0x80); @@ -3492,30 +3493,32 @@ nct6775_check_fan_inputs(struct nct6775_data *data) fan4min = fan4pin; pwm3pin = fan3pin; } else if (data->kind == nct6106) { - regval = superio_inb(sioreg, 0x24); - fan3pin = !(regval & 0x80); - pwm3pin = regval & 0x08; + cr24 = superio_inb(sioreg, 0x24); + fan3pin = !(cr24 & 0x80); + pwm3pin = cr24 & 0x08; } else { /* NCT6779D, NCT6791D, NCT6792D, NCT6793D, NCT6795D, NCT6796D */ int cr1b, cr2a, cr2f; + int cr1c; + int cr2d; bool dsw_en; - regval = superio_inb(sioreg, 0x1c); + cr1c = superio_inb(sioreg, 0x1c); - fan3pin = !(regval & BIT(5)); - fan4pin = !(regval & BIT(6)); - fan5pin = !(regval & BIT(7)); + fan3pin = !(cr1c & BIT(5)); + fan4pin = !(cr1c & BIT(6)); + fan5pin = !(cr1c & BIT(7)); - pwm3pin = !(regval & BIT(0)); - pwm4pin = !(regval & BIT(1)); - pwm5pin = !(regval & BIT(2)); + pwm3pin = !(cr1c & BIT(0)); + pwm4pin = !(cr1c & BIT(1)); + pwm5pin = !(cr1c & BIT(2)); - regval = superio_inb(sioreg, 0x2d); + cr2d = superio_inb(sioreg, 0x2d); switch (data->kind) { case nct6791: case nct6792: - fan6pin = regval & BIT(1); - pwm6pin = regval & BIT(0); + fan6pin = cr2d & BIT(1); + pwm6pin = cr2d & BIT(0); break; case nct6793: case nct6795: @@ -3526,7 +3529,7 @@ nct6775_check_fan_inputs(struct nct6775_data *data) dsw_en = cr2f & BIT(3); if (!pwm5pin) - pwm5pin = regval & BIT(7); + pwm5pin = cr2d & BIT(7); if (!fan5pin) fan5pin = cr1b & BIT(5); @@ -3536,8 +3539,8 @@ nct6775_check_fan_inputs(struct nct6775_data *data) int creb = superio_inb(sioreg, 0xeb); if (!dsw_en) { - fan6pin = regval & BIT(1); - pwm6pin = regval & BIT(0); + fan6pin = cr2d & BIT(1); + pwm6pin = cr2d & BIT(0); } if (!fan5pin) |