hwmon: (nct6775) Initialize boolean variables with declaration

Initialize boolean flags in nct6775_check_fan_inputs() while
declaring them instead of several times throughout the code.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index cebd716..5662b23 100644 (file)
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -3360,8 +3360,10 @@ static inline void nct6775_init_device(struct nct6775_data *data)
 static void
 nct6775_check_fan_inputs(struct nct6775_data *data)
 {
-       bool fan3pin, fan4pin, fan4min, fan5pin, fan6pin;
-       bool pwm3pin, pwm4pin, pwm5pin, pwm6pin;
+       bool fan3pin = false, fan4pin = false, fan4min = false;
+       bool fan5pin = false, fan6pin = false;
+       bool pwm3pin = false, pwm4pin = false, pwm5pin = false;
+       bool pwm6pin = false;
        int sioreg = data->sioreg;
        int regval;
 
@@ -3378,12 +3380,6 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
 
                /* On NCT6775, fan4 shares pins with the fdc interface */
                fan4pin = !(superio_inb(sioreg, 0x2A) & 0x80);
-               fan4min = false;
-               fan5pin = false;
-               fan6pin = false;
-               pwm4pin = false;
-               pwm5pin = false;
-               pwm6pin = false;
        } else if (data->kind == nct6776) {
                bool gpok = superio_inb(sioreg, 0x27) & 0x80;
                const char *board_vendor, *board_name;
@@ -3423,23 +3419,11 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
                        fan5pin = superio_inb(sioreg, 0x1C) & 0x02;
 
                fan4min = fan4pin;
-               fan6pin = false;
                pwm3pin = fan3pin;
-               pwm4pin = false;
-               pwm5pin = false;
-               pwm6pin = false;
        } else if (data->kind == nct6106) {
                regval = superio_inb(sioreg, 0x24);
                fan3pin = !(regval & 0x80);
                pwm3pin = regval & 0x08;
-
-               fan4pin = false;
-               fan4min = false;
-               fan5pin = false;
-               fan6pin = false;
-               pwm4pin = false;
-               pwm5pin = false;
-               pwm6pin = false;
        } else { /* NCT6779D, NCT6791D, NCT6792D, NCT6793D, or NCT6795D */
                int regval_1b, regval_2a, regval_2f, regval_eb;
                bool dsw_en;
@@ -3474,8 +3458,6 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
                        if (!fan5pin)
                                fan5pin = regval_1b & BIT(5);
 
-                       fan6pin = false;
-                       pwm6pin = false;
                        if (!dsw_en) {
                                fan6pin = regval & BIT(1);
                                pwm6pin = regval & BIT(0);
@@ -3506,8 +3488,6 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
                        }
                        break;
                default:        /* NCT6779D */
-                       fan6pin = false;
-                       pwm6pin = false;
                        break;
                }