hwmon: (nct6775) Rename configuration register variables

Use variable names from chip datasheets (crXX) instead of regval_XX
for configuration register variables. This is shorter and, together
with subsequent changes, makes the code easier to read.

No functional change.

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

diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 2a9fc8c..7a3a1d5 100644 (file)
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -3497,7 +3497,7 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
                pwm3pin = regval & 0x08;
        } else {
                /* NCT6779D, NCT6791D, NCT6792D, NCT6793D, NCT6795D, NCT6796D */
-               int regval_1b, regval_2a, regval_2f;
+               int cr1b, cr2a, cr2f;
                bool dsw_en;
 
                regval = superio_inb(sioreg, 0x1c);
@@ -3520,20 +3520,20 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
                case nct6793:
                case nct6795:
                case nct6796:
-                       regval_1b = superio_inb(sioreg, 0x1b);
-                       regval_2a = superio_inb(sioreg, 0x2a);
-                       regval_2f = superio_inb(sioreg, 0x2f);
-                       dsw_en = regval_2f & BIT(3);
+                       cr1b = superio_inb(sioreg, 0x1b);
+                       cr2a = superio_inb(sioreg, 0x2a);
+                       cr2f = superio_inb(sioreg, 0x2f);
+                       dsw_en = cr2f & BIT(3);
 
                        if (!pwm5pin)
                                pwm5pin = regval & BIT(7);
 
                        if (!fan5pin)
-                               fan5pin = regval_1b & BIT(5);
+                               fan5pin = cr1b & BIT(5);
 
                        superio_select(sioreg, NCT6775_LD_12);
                        if (data->kind != nct6796) {
-                               int regval_eb = superio_inb(sioreg, 0xeb);
+                               int creb = superio_inb(sioreg, 0xeb);
 
                                if (!dsw_en) {
                                        fan6pin = regval & BIT(1);
@@ -3541,33 +3541,33 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
                                }
 
                                if (!fan5pin)
-                                       fan5pin = regval_eb & BIT(5);
+                                       fan5pin = creb & BIT(5);
                                if (!pwm5pin)
-                                       pwm5pin = (regval_eb & BIT(4)) &&
-                                               !(regval_2a & BIT(0));
+                                       pwm5pin = (creb & BIT(4)) &&
+                                               !(cr2a & BIT(0));
                                if (!fan6pin)
-                                       fan6pin = regval_eb & BIT(3);
+                                       fan6pin = creb & BIT(3);
                                if (!pwm6pin)
-                                       pwm6pin = regval_eb & BIT(2);
+                                       pwm6pin = creb & BIT(2);
                        }
 
                        if (data->kind == nct6795 || data->kind == nct6796) {
-                               int regval_ed = superio_inb(sioreg, 0xed);
+                               int cred = superio_inb(sioreg, 0xed);
 
                                if (!fan6pin)
-                                       fan6pin = (regval_2a & BIT(4)) &&
-                                         (!dsw_en || (regval_ed & BIT(4)));
+                                       fan6pin = (cr2a & BIT(4)) &&
+                                         (!dsw_en || (cred & BIT(4)));
                                if (!pwm6pin)
-                                       pwm6pin = (regval_2a & BIT(3)) &&
-                                         (regval_ed & BIT(2));
+                                       pwm6pin = (cr2a & BIT(3)) &&
+                                         (cred & BIT(2));
                        }
 
                        if (data->kind == nct6796) {
-                               int regval_1d = superio_inb(sioreg, 0x1d);
-                               int regval_2b = superio_inb(sioreg, 0x2b);
+                               int cr1d = superio_inb(sioreg, 0x1d);
+                               int cr2b = superio_inb(sioreg, 0x2b);
 
-                               fan7pin = !(regval_2b & BIT(2));
-                               pwm7pin = !(regval_1d & (BIT(2) | BIT(3)));
+                               fan7pin = !(cr2b & BIT(2));
+                               pwm7pin = !(cr1d & (BIT(2) | BIT(3)));
                        }
 
                        break;