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authorGuenter Roeck <linux@roeck-us.net>2018-09-18 09:46:24 -0700
committerGuenter Roeck <linux@roeck-us.net>2018-10-10 20:37:13 -0700
commit97ce6df46874331b46e279ae18bd07365e6cd586 (patch)
treec5f2c0d9e3263088d9d0f0e9fa8676400c5784a9 /drivers/hwmon
parenta6c54f2cde3c80b7bc0d247fc9d161bad64b53a9 (diff)
hwmon: (nct6775) Move config variable declarations and initializations
Group configuration variable declarations and initialization together. While this results in reading more registers than necessary for a given chip, it improves code readability and simplifies extending the code. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/nct6775.c30
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index bd1c4772994a..aa8a44608ca3 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -3436,8 +3436,6 @@ 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 cr24;
- int cr2c;
/* Store SIO_REG_ENABLE for use during resume */
superio_select(sioreg, NCT6775_LD_HWM);
@@ -3445,7 +3443,7 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
/* fan4 and fan5 share some pins with the GPIO and serial flash */
if (data->kind == nct6775) {
- cr2c = superio_inb(sioreg, 0x2c);
+ int cr2c = superio_inb(sioreg, 0x2c);
fan3pin = cr2c & BIT(6);
pwm3pin = cr2c & BIT(7);
@@ -3493,17 +3491,20 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
fan4min = fan4pin;
pwm3pin = fan3pin;
} else if (data->kind == nct6106) {
- cr24 = superio_inb(sioreg, 0x24);
+ int 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;
-
- cr1c = superio_inb(sioreg, 0x1c);
+ int cr1b = superio_inb(sioreg, 0x1b);
+ int cr1c = superio_inb(sioreg, 0x1c);
+ int cr1d = superio_inb(sioreg, 0x1d);
+ int cr2a = superio_inb(sioreg, 0x2a);
+ int cr2b = superio_inb(sioreg, 0x2b);
+ int cr2d = superio_inb(sioreg, 0x2d);
+ int cr2f = superio_inb(sioreg, 0x2f);
+ bool dsw_en = cr2f & BIT(3);
fan3pin = !(cr1c & BIT(5));
fan4pin = !(cr1c & BIT(6));
@@ -3513,7 +3514,6 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
pwm4pin = !(cr1c & BIT(1));
pwm5pin = !(cr1c & BIT(2));
- cr2d = superio_inb(sioreg, 0x2d);
switch (data->kind) {
case nct6791:
case nct6792:
@@ -3523,11 +3523,6 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
case nct6793:
case nct6795:
case nct6796:
- cr1b = superio_inb(sioreg, 0x1b);
- cr2a = superio_inb(sioreg, 0x2a);
- cr2f = superio_inb(sioreg, 0x2f);
- dsw_en = cr2f & BIT(3);
-
if (!pwm5pin)
pwm5pin = cr2d & BIT(7);
@@ -3566,9 +3561,6 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
}
if (data->kind == nct6796) {
- int cr1d = superio_inb(sioreg, 0x1d);
- int cr2b = superio_inb(sioreg, 0x2b);
-
fan7pin = !(cr2b & BIT(2));
pwm7pin = !(cr1d & (BIT(2) | BIT(3)));
}