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Date: Mon, 13 Sep 2021 23:58:47 +0300
From: Denis Pauk <pauk.denis@...il.com>
To: Guenter Roeck <linux@...ck-us.net>
Cc: Bernhard Seibold <mail@...nhard-seibold.de>,
Andy Shevchenko <andriy.shevchenko@...el.com>,
Jean Delvare <jdelvare@...e.com>, linux-hwmon@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/2] hwmon: (nct6775) Use sio_data in superio_*().
On Sun, 12 Sep 2021 14:47:16 -0700
Guenter Roeck <linux@...ck-us.net> wrote:
> On Mon, Sep 13, 2021 at 12:25:36AM +0300, Denis Pauk wrote:
> > Prepare for platform specific callbacks usage:
> > * Rearrange code for directly use struct nct6775_sio_data in
> > superio_*() functions.
> > * Use superio function pointers in nct6775_sio_data struct instead
> > direct calls.
> > * Use nct6775 function pointers in struct nct6775_data instead
> > direct calls.
>
> The use of function pointers is not reflected in the subject. FWIW,
> separating the sio_data function pointer changes from the other
> function pointer changes would simplify review significantly.
>
> Please run checkpatch --strict and fix what it reports. Also, please
> try to reduce continuation lines - several are now unnecessary. More
> comments inline.
>
> > BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204807
> > Signed-off-by: Denis Pauk <pauk.denis@...il.com>
> > Co-developed-by: Bernhard Seibold <mail@...nhard-seibold.de>
> > Signed-off-by: Bernhard Seibold <mail@...nhard-seibold.de>
> > Cc: Andy Shevchenko <andriy.shevchenko@...el.com>
> > Cc: Guenter Roeck <linux@...ck-us.net>
> >
> > ---
> > Changes in v5:
> > - Without changes.
> >
> > Changes in v4:
> > - Fix naming conflict with inb, outb by add sio prefix to
> > callbacks in nct6775_sio_data.
> >
> > Changes in v3:
> > - Use nct6775 function pointers in struct nct6775_data instead
> > direct calls.
> > - make function declarations one line.
> >
> > Changes in v2:
> > - Split changes to separate patches.
> > - Rearrange code for directly use struct nct6775_sio_data in
> > superio_*() functions.
> > ---
> > drivers/hwmon/nct6775.c | 465
> > +++++++++++++++++++++------------------- 1 file changed, 247
> > insertions(+), 218 deletions(-)
> >
> > diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
> > index 5bd15622a85f..d813a7478f59 100644
> > --- a/drivers/hwmon/nct6775.c
> > +++ b/drivers/hwmon/nct6775.c
> > @@ -133,30 +133,46 @@ MODULE_PARM_DESC(fan_debounce, "Enable
> > debouncing for fan RPM signal");
> > enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3,
> > sf4 };
> > -static inline void
> > -superio_outb(int ioreg, int reg, int val)
> > +struct nct6775_sio_data {
> > + int sioreg;
> > + enum kinds kind;
> > +
> > + /* superio_() callbacks */
> > + void (*sio_outb)(struct nct6775_sio_data *sio_data, int
> > reg, int val);
> > + int (*sio_inb)(struct nct6775_sio_data *sio_data, int reg);
> > + void (*sio_select)(struct nct6775_sio_data *sio_data, int
> > ld);
> > + int (*sio_enter)(struct nct6775_sio_data *sio_data);
> > + void (*sio_exit)(struct nct6775_sio_data *sio_data);
> > +};
> > +
> > +static void superio_outb(struct nct6775_sio_data *sio_data, int
> > reg, int val) {
> > + int ioreg = sio_data->sioreg;
> > +
> > outb(reg, ioreg);
> > outb(val, ioreg + 1);
> > }
> >
> > -static inline int
> > -superio_inb(int ioreg, int reg)
> > +static int superio_inb(struct nct6775_sio_data *sio_data, int reg)
> > {
> > + int ioreg = sio_data->sioreg;
> > +
> > outb(reg, ioreg);
> > return inb(ioreg + 1);
> > }
> >
> > -static inline void
> > -superio_select(int ioreg, int ld)
> > +static void superio_select(struct nct6775_sio_data *sio_data, int
> > ld) {
> > + int ioreg = sio_data->sioreg;
> > +
> > outb(SIO_REG_LDSEL, ioreg);
> > outb(ld, ioreg + 1);
> > }
> >
> > -static inline int
> > -superio_enter(int ioreg)
> > +static int superio_enter(struct nct6775_sio_data *sio_data)
> > {
> > + int ioreg = sio_data->sioreg;
> > +
> > /*
> > * Try to reserve <ioreg> and <ioreg + 1> for exclusive
> > access. */
> > @@ -169,9 +185,10 @@ superio_enter(int ioreg)
> > return 0;
> > }
> >
> > -static inline void
> > -superio_exit(int ioreg)
> > +static void superio_exit(struct nct6775_sio_data *sio_data)
> > {
> > + int ioreg = sio_data->sioreg;
> > +
> > outb(0xaa, ioreg);
> > outb(0x02, ioreg);
> > outb(0x02, ioreg + 1);
> > @@ -1215,11 +1232,10 @@ struct nct6775_data {
> > u8 fandiv1;
> > u8 fandiv2;
> > u8 sio_reg_enable;
> > -};
> >
> > -struct nct6775_sio_data {
> > - int sioreg;
> > - enum kinds kind;
> > + /* nct6775_*() callbacks */
> > + u16 (*read_value)(struct nct6775_data *data, u16 reg);
> > + int (*write_value)(struct nct6775_data *data, u16 reg, u16
> > value); };
> >
> > struct sensor_device_template {
> > @@ -1459,7 +1475,7 @@ static u16 nct6775_read_temp(struct
> > nct6775_data *data, u16 reg) {
> > u16 res;
> >
> > - res = nct6775_read_value(data, reg);
> > + res = data->read_value(data, reg);
> > if (!is_word_sized(data, reg))
> > res <<= 8;
> >
> > @@ -1470,7 +1486,7 @@ static int nct6775_write_temp(struct
> > nct6775_data *data, u16 reg, u16 value) {
> > if (!is_word_sized(data, reg))
> > value >>= 8;
> > - return nct6775_write_value(data, reg, value);
> > + return data->write_value(data, reg, value);
> > }
> >
> > /* This function assumes that the caller holds data->update_lock */
> > @@ -1480,24 +1496,24 @@ static void nct6775_write_fan_div(struct
> > nct6775_data *data, int nr)
> > switch (nr) {
> > case 0:
> > - reg = (nct6775_read_value(data,
> > NCT6775_REG_FANDIV1) & 0x70)
> > + reg = (data->read_value(data, NCT6775_REG_FANDIV1)
> > & 0x70) | (data->fan_div[0] & 0x7);
> > - nct6775_write_value(data, NCT6775_REG_FANDIV1,
> > reg);
> > + data->write_value(data, NCT6775_REG_FANDIV1, reg);
> > break;
> > case 1:
> > - reg = (nct6775_read_value(data,
> > NCT6775_REG_FANDIV1) & 0x7)
> > + reg = (data->read_value(data, NCT6775_REG_FANDIV1)
> > & 0x7) | ((data->fan_div[1] << 4) & 0x70);
> > - nct6775_write_value(data, NCT6775_REG_FANDIV1,
> > reg);
> > + data->write_value(data, NCT6775_REG_FANDIV1, reg);
> > break;
> > case 2:
> > - reg = (nct6775_read_value(data,
> > NCT6775_REG_FANDIV2) & 0x70)
> > + reg = (data->read_value(data, NCT6775_REG_FANDIV2)
> > & 0x70) | (data->fan_div[2] & 0x7);
> > - nct6775_write_value(data, NCT6775_REG_FANDIV2,
> > reg);
> > + data->write_value(data, NCT6775_REG_FANDIV2, reg);
> > break;
> > case 3:
> > - reg = (nct6775_read_value(data,
> > NCT6775_REG_FANDIV2) & 0x7)
> > + reg = (data->read_value(data, NCT6775_REG_FANDIV2)
> > & 0x7) | ((data->fan_div[3] << 4) & 0x70);
> > - nct6775_write_value(data, NCT6775_REG_FANDIV2,
> > reg);
> > + data->write_value(data, NCT6775_REG_FANDIV2, reg);
> > break;
> > }
> > }
> > @@ -1512,10 +1528,10 @@ static void nct6775_update_fan_div(struct
> > nct6775_data *data) {
> > u8 i;
> >
> > - i = nct6775_read_value(data, NCT6775_REG_FANDIV1);
> > + i = data->read_value(data, NCT6775_REG_FANDIV1);
> > data->fan_div[0] = i & 0x7;
> > data->fan_div[1] = (i & 0x70) >> 4;
> > - i = nct6775_read_value(data, NCT6775_REG_FANDIV2);
> > + i = data->read_value(data, NCT6775_REG_FANDIV2);
> > data->fan_div[2] = i & 0x7;
> > if (data->has_fan & BIT(3))
> > data->fan_div[3] = (i & 0x70) >> 4;
> > @@ -1563,11 +1579,11 @@ static void nct6775_init_fan_common(struct
> > device *dev, */
> > for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) {
> > if (data->has_fan_min & BIT(i)) {
> > - reg = nct6775_read_value(data,
> > data->REG_FAN_MIN[i]);
> > + reg = data->read_value(data,
> > data->REG_FAN_MIN[i]); if (!reg)
> > - nct6775_write_value(data,
> > data->REG_FAN_MIN[i],
> > -
> > data->has_fan_div ? 0xff
> > -
> > : 0xff1f);
> > + data->write_value(data,
> > data->REG_FAN_MIN[i],
> > +
> > data->has_fan_div ? 0xff
> > +
> > : 0xff1f); }
> > }
> > }
> > @@ -1611,8 +1627,8 @@ static void nct6775_select_fan_div(struct
> > device *dev, }
> > if (fan_min != data->fan_min[nr]) {
> > data->fan_min[nr] = fan_min;
> > - nct6775_write_value(data,
> > data->REG_FAN_MIN[nr],
> > - fan_min);
> > + data->write_value(data,
> > data->REG_FAN_MIN[nr],
> > + fan_min);
> > }
> > }
> > data->fan_div[nr] = fan_div;
> > @@ -1632,15 +1648,15 @@ static void nct6775_update_pwm(struct
> > device *dev) continue;
> >
> > duty_is_dc = data->REG_PWM_MODE[i] &&
> > - (nct6775_read_value(data, data->REG_PWM_MODE[i])
> > + (data->read_value(data, data->REG_PWM_MODE[i])
> > & data->PWM_MODE_MASK[i]);
> > data->pwm_mode[i] = !duty_is_dc;
> >
> > - fanmodecfg = nct6775_read_value(data,
> > data->REG_FAN_MODE[i]);
> > + fanmodecfg = data->read_value(data,
> > data->REG_FAN_MODE[i]); for (j = 0; j < ARRAY_SIZE(data->REG_PWM);
> > j++) { if (data->REG_PWM[j] && data->REG_PWM[j][i]) {
> > data->pwm[j][i]
> > - = nct6775_read_value(data,
> > + = data->read_value(data,
> > data->REG_PWM[j][i]);
> >
>
> One of the inistances where multi-line alignment is off, and the
> continuation line is unnecessary.
>
> > }
> > }
> > @@ -1656,17 +1672,17 @@ static void nct6775_update_pwm(struct
> > device *dev) u8 t = fanmodecfg & 0x0f;
> >
> > if (data->REG_TOLERANCE_H) {
> > - t |= (nct6775_read_value(data,
> > + t |= (data->read_value(data,
> > data->REG_TOLERANCE_H[i]) &
> > 0x70) >> 1; }
> > data->target_speed_tolerance[i] = t;
> > }
> >
> > data->temp_tolerance[1][i] =
> > - nct6775_read_value(data,
> > -
> > data->REG_CRITICAL_TEMP_TOLERANCE[i]);
> > + data->read_value(data,
> > +
> > data->REG_CRITICAL_TEMP_TOLERANCE[i]);
> > - reg = nct6775_read_value(data,
> > data->REG_TEMP_SEL[i]);
> > + reg = data->read_value(data,
> > data->REG_TEMP_SEL[i]); data->pwm_temp_sel[i] = reg & 0x1f;
> > /* If fan can stop, report floor as 0 */
> > if (reg & 0x80)
> > @@ -1675,7 +1691,7 @@ static void nct6775_update_pwm(struct device
> > *dev) if (!data->REG_WEIGHT_TEMP_SEL[i])
> > continue;
> >
> > - reg = nct6775_read_value(data,
> > data->REG_WEIGHT_TEMP_SEL[i]);
> > + reg = data->read_value(data,
> > data->REG_WEIGHT_TEMP_SEL[i]); data->pwm_weight_temp_sel[i] = reg &
> > 0x1f; /* If weight is disabled, report weight source as 0 */
> > if (!(reg & 0x80))
> > @@ -1684,8 +1700,8 @@ static void nct6775_update_pwm(struct device
> > *dev) /* Weight temp data */
> > for (j = 0; j < ARRAY_SIZE(data->weight_temp);
> > j++) { data->weight_temp[j][i]
> > - = nct6775_read_value(data,
> > -
> > data->REG_WEIGHT_TEMP[j][i]);
> > + = data->read_value(data,
> > +
> > data->REG_WEIGHT_TEMP[j][i]); }
> > }
> > }
> > @@ -1703,10 +1719,10 @@ static void
> > nct6775_update_pwm_limits(struct device *dev)
> > for (j = 0; j < ARRAY_SIZE(data->fan_time); j++) {
> > data->fan_time[j][i] =
> > - nct6775_read_value(data,
> > data->REG_FAN_TIME[j][i]);
> > + data->read_value(data,
> > data->REG_FAN_TIME[j][i]); }
> >
> > - reg_t = nct6775_read_value(data,
> > data->REG_TARGET[i]);
> > + reg_t = data->read_value(data,
> > data->REG_TARGET[i]); /* Update only in matching mode or if never
> > updated */ if (!data->target_temp[i] ||
> > data->pwm_enable[i] == thermal_cruise)
> > @@ -1714,7 +1730,7 @@ static void nct6775_update_pwm_limits(struct
> > device *dev) if (!data->target_speed[i] ||
> > data->pwm_enable[i] == speed_cruise) {
> > if (data->REG_TOLERANCE_H) {
> > - reg_t |= (nct6775_read_value(data,
> > + reg_t |= (data->read_value(data,
> > data->REG_TOLERANCE_H[i])
> > & 0x0f) << 8; }
> > data->target_speed[i] = reg_t;
> > @@ -1722,21 +1738,21 @@ static void
> > nct6775_update_pwm_limits(struct device *dev)
> > for (j = 0; j < data->auto_pwm_num; j++) {
> > data->auto_pwm[i][j] =
> > - nct6775_read_value(data,
> > -
> > NCT6775_AUTO_PWM(data, i, j));
> > + data->read_value(data,
> > + NCT6775_AUTO_PWM(data,
> > i, j)); data->auto_temp[i][j] =
> > - nct6775_read_value(data,
> > -
> > NCT6775_AUTO_TEMP(data, i, j));
> > + data->read_value(data,
> > + NCT6775_AUTO_TEMP(data,
> > i, j)); }
> >
> > /* critical auto_pwm temperature data */
> > data->auto_temp[i][data->auto_pwm_num] =
> > - nct6775_read_value(data,
> > data->REG_CRITICAL_TEMP[i]);
> > + data->read_value(data,
> > data->REG_CRITICAL_TEMP[i]);
> > switch (data->kind) {
> > case nct6775:
> > - reg = nct6775_read_value(data,
> > -
> > NCT6775_REG_CRITICAL_ENAB[i]);
> > + reg = data->read_value(data,
> > +
> > NCT6775_REG_CRITICAL_ENAB[i]);
> > data->auto_pwm[i][data->auto_pwm_num] = (reg & 0x02) ? 0xff : 0x00;
> > break;
> > @@ -1753,10 +1769,10 @@ static void
> > nct6775_update_pwm_limits(struct device *dev) case nct6796:
> > case nct6797:
> > case nct6798:
> > - reg = nct6775_read_value(data,
> > + reg = data->read_value(data,
> > data->REG_CRITICAL_PWM_ENABLE[i]);
> > if (reg & data->CRITICAL_PWM_ENABLE_MASK)
> > - reg = nct6775_read_value(data,
> > + reg = data->read_value(data,
> > data->REG_CRITICAL_PWM[i]);
> > else
> > reg = 0xff;
> > @@ -1783,11 +1799,11 @@ static struct nct6775_data
> > *nct6775_update_device(struct device *dev) if (!(data->have_in &
> > BIT(i))) continue;
> >
> > - data->in[i][0] = nct6775_read_value(data,
> > -
> > data->REG_VIN[i]);
> > - data->in[i][1] = nct6775_read_value(data,
> > + data->in[i][0] = data->read_value(data,
> > +
> > data->REG_VIN[i]);
> > + data->in[i][1] = data->read_value(data,
> > data->REG_IN_MINMAX[0][i]);
> > - data->in[i][2] = nct6775_read_value(data,
> > + data->in[i][2] = data->read_value(data,
> > data->REG_IN_MINMAX[1][i]);
> > }
> >
> > @@ -1798,18 +1814,18 @@ static struct nct6775_data
> > *nct6775_update_device(struct device *dev) if (!(data->has_fan &
> > BIT(i))) continue;
> >
> > - reg = nct6775_read_value(data,
> > data->REG_FAN[i]);
> > + reg = data->read_value(data,
> > data->REG_FAN[i]); data->rpm[i] = data->fan_from_reg(reg,
> > data->fan_div[i]);
> >
> > if (data->has_fan_min & BIT(i))
> > - data->fan_min[i] =
> > nct6775_read_value(data,
> > + data->fan_min[i] =
> > data->read_value(data, data->REG_FAN_MIN[i]);
> >
> > if (data->REG_FAN_PULSES[i]) {
> > data->fan_pulses[i] =
> > - (nct6775_read_value(data,
> > -
> > data->REG_FAN_PULSES[i])
> > + (data->read_value(data,
> > +
> > data->REG_FAN_PULSES[i])
> > >> data->FAN_PULSE_SHIFT[i]) &
> > >> 0x03;
> > }
> >
> > @@ -1833,7 +1849,7 @@ static struct nct6775_data
> > *nct6775_update_device(struct device *dev) !(data->have_temp_fixed
> > & BIT(i))) continue;
> > data->temp_offset[i]
> > - = nct6775_read_value(data,
> > data->REG_TEMP_OFFSET[i]);
> > + = data->read_value(data,
> > data->REG_TEMP_OFFSET[i]); }
> >
> > data->alarms = 0;
> > @@ -1842,7 +1858,7 @@ static struct nct6775_data
> > *nct6775_update_device(struct device *dev)
> > if (!data->REG_ALARM[i])
> > continue;
> > - alarm = nct6775_read_value(data,
> > data->REG_ALARM[i]);
> > + alarm = data->read_value(data,
> > data->REG_ALARM[i]); data->alarms |= ((u64)alarm) << (i << 3);
> > }
> >
> > @@ -1852,7 +1868,7 @@ static struct nct6775_data
> > *nct6775_update_device(struct device *dev)
> > if (!data->REG_BEEP[i])
> > continue;
> > - beep = nct6775_read_value(data,
> > data->REG_BEEP[i]);
> > + beep = data->read_value(data,
> > data->REG_BEEP[i]); data->beeps |= ((u64)beep) << (i << 3);
> > }
> >
> > @@ -1894,8 +1910,8 @@ store_in_reg(struct device *dev, struct
> > device_attribute *attr, const char *buf, return err;
> > mutex_lock(&data->update_lock);
> > data->in[nr][index] = in_to_reg(val, nr);
> > - nct6775_write_value(data, data->REG_IN_MINMAX[index -
> > 1][nr],
> > - data->in[nr][index]);
> > + data->write_value(data, data->REG_IN_MINMAX[index - 1][nr],
> > + data->in[nr][index]);
> > mutex_unlock(&data->update_lock);
> > return count;
> > }
> > @@ -1919,8 +1935,8 @@ static int find_temp_source(struct
> > nct6775_data *data, int index, int count) for (nr = 0; nr < count;
> > nr++) { int src;
> >
> > - src = nct6775_read_value(data,
> > -
> > data->REG_TEMP_SOURCE[nr]) & 0x1f;
> > + src = data->read_value(data,
> > + data->REG_TEMP_SOURCE[nr])
> > & 0x1f; if (src == source)
> > return nr;
> > }
> > @@ -1981,8 +1997,8 @@ store_beep(struct device *dev, struct
> > device_attribute *attr, const char *buf, data->beeps |= (1ULL <<
> > nr); else
> > data->beeps &= ~(1ULL << nr);
> > - nct6775_write_value(data, data->REG_BEEP[regindex],
> > - (data->beeps >> (regindex << 3)) &
> > 0xff);
> > + data->write_value(data, data->REG_BEEP[regindex],
> > + (data->beeps >> (regindex << 3)) & 0xff);
> > mutex_unlock(&data->update_lock);
> > return count;
> > }
> > @@ -2037,8 +2053,8 @@ store_temp_beep(struct device *dev, struct
> > device_attribute *attr, data->beeps |= (1ULL << bit);
> > else
> > data->beeps &= ~(1ULL << bit);
> > - nct6775_write_value(data, data->REG_BEEP[regindex],
> > - (data->beeps >> (regindex << 3)) &
> > 0xff);
> > + data->write_value(data, data->REG_BEEP[regindex],
> > + (data->beeps >> (regindex << 3)) & 0xff);
> > mutex_unlock(&data->update_lock);
> >
> > return count;
> > @@ -2205,7 +2221,7 @@ store_fan_min(struct device *dev, struct
> > device_attribute *attr, }
> >
> > write_min:
> > - nct6775_write_value(data, data->REG_FAN_MIN[nr],
> > data->fan_min[nr]);
> > + data->write_value(data, data->REG_FAN_MIN[nr],
> > data->fan_min[nr]); mutex_unlock(&data->update_lock);
> >
> > return count;
> > @@ -2241,10 +2257,10 @@ store_fan_pulses(struct device *dev, struct
> > device_attribute *attr,
> > mutex_lock(&data->update_lock);
> > data->fan_pulses[nr] = val & 3;
> > - reg = nct6775_read_value(data, data->REG_FAN_PULSES[nr]);
> > + reg = data->read_value(data, data->REG_FAN_PULSES[nr]);
> > reg &= ~(0x03 << data->FAN_PULSE_SHIFT[nr]);
> > reg |= (val & 3) << data->FAN_PULSE_SHIFT[nr];
> > - nct6775_write_value(data, data->REG_FAN_PULSES[nr], reg);
> > + data->write_value(data, data->REG_FAN_PULSES[nr], reg);
> > mutex_unlock(&data->update_lock);
> >
> > return count;
> > @@ -2378,7 +2394,7 @@ store_temp_offset(struct device *dev, struct
> > device_attribute *attr,
> > mutex_lock(&data->update_lock);
> > data->temp_offset[nr] = val;
> > - nct6775_write_value(data, data->REG_TEMP_OFFSET[nr], val);
> > + data->write_value(data, data->REG_TEMP_OFFSET[nr], val);
> > mutex_unlock(&data->update_lock);
> >
> > return count;
> > @@ -2417,8 +2433,8 @@ store_temp_type(struct device *dev, struct
> > device_attribute *attr, data->temp_type[nr] = val;
> > vbit = 0x02 << nr;
> > dbit = data->DIODE_MASK << nr;
> > - vbat = nct6775_read_value(data, data->REG_VBAT) & ~vbit;
> > - diode = nct6775_read_value(data, data->REG_DIODE) & ~dbit;
> > + vbat = data->read_value(data, data->REG_VBAT) & ~vbit;
> > + diode = data->read_value(data, data->REG_DIODE) & ~dbit;
> > switch (val) {
> > case 1: /* CPU diode (diode, current mode) */
> > vbat |= vbit;
> > @@ -2430,8 +2446,8 @@ store_temp_type(struct device *dev, struct
> > device_attribute *attr, case 4: /* thermistor */
> > break;
> > }
> > - nct6775_write_value(data, data->REG_VBAT, vbat);
> > - nct6775_write_value(data, data->REG_DIODE, diode);
> > + data->write_value(data, data->REG_VBAT, vbat);
> > + data->write_value(data, data->REG_DIODE, diode);
> >
> > mutex_unlock(&data->update_lock);
> > return count;
> > @@ -2555,11 +2571,11 @@ store_pwm_mode(struct device *dev, struct
> > device_attribute *attr,
> > mutex_lock(&data->update_lock);
> > data->pwm_mode[nr] = val;
> > - reg = nct6775_read_value(data, data->REG_PWM_MODE[nr]);
> > + reg = data->read_value(data, data->REG_PWM_MODE[nr]);
> > reg &= ~data->PWM_MODE_MASK[nr];
> > if (!val)
> > reg |= data->PWM_MODE_MASK[nr];
> > - nct6775_write_value(data, data->REG_PWM_MODE[nr], reg);
> > + data->write_value(data, data->REG_PWM_MODE[nr], reg);
> > mutex_unlock(&data->update_lock);
> > return count;
> > }
> > @@ -2578,7 +2594,7 @@ show_pwm(struct device *dev, struct
> > device_attribute *attr, char *buf)
> > * Otherwise, show the configured value.
> > */
> > if (index == 0 && data->pwm_enable[nr] > manual)
> > - pwm = nct6775_read_value(data,
> > data->REG_PWM_READ[nr]);
> > + pwm = data->read_value(data,
> > data->REG_PWM_READ[nr]); else
> > pwm = data->pwm[index][nr];
> >
> > @@ -2607,13 +2623,13 @@ store_pwm(struct device *dev, struct
> > device_attribute *attr, const char *buf,
> > mutex_lock(&data->update_lock);
> > data->pwm[index][nr] = val;
> > - nct6775_write_value(data, data->REG_PWM[index][nr], val);
> > + data->write_value(data, data->REG_PWM[index][nr], val);
> > if (index == 2) { /* floor: disable if val == 0 */
> > - reg = nct6775_read_value(data,
> > data->REG_TEMP_SEL[nr]);
> > + reg = data->read_value(data,
> > data->REG_TEMP_SEL[nr]); reg &= 0x7f;
> > if (val)
> > reg |= 0x80;
> > - nct6775_write_value(data, data->REG_TEMP_SEL[nr],
> > reg);
> > + data->write_value(data, data->REG_TEMP_SEL[nr],
> > reg); }
> > mutex_unlock(&data->update_lock);
> > return count;
> > @@ -2652,29 +2668,29 @@ static void pwm_update_registers(struct
> > nct6775_data *data, int nr) case manual:
> > break;
> > case speed_cruise:
> > - reg = nct6775_read_value(data,
> > data->REG_FAN_MODE[nr]);
> > + reg = data->read_value(data,
> > data->REG_FAN_MODE[nr]); reg = (reg & ~data->tolerance_mask) |
> > (data->target_speed_tolerance[nr] &
> > data->tolerance_mask);
> > - nct6775_write_value(data, data->REG_FAN_MODE[nr],
> > reg);
> > - nct6775_write_value(data, data->REG_TARGET[nr],
> > + data->write_value(data, data->REG_FAN_MODE[nr],
> > reg);
> > + data->write_value(data, data->REG_TARGET[nr],
> > data->target_speed[nr] & 0xff);
> > if (data->REG_TOLERANCE_H) {
> > reg = (data->target_speed[nr] >> 8) & 0x0f;
> > reg |= (data->target_speed_tolerance[nr] &
> > 0x38) << 1;
> > - nct6775_write_value(data,
> > -
> > data->REG_TOLERANCE_H[nr],
> > - reg);
> > + data->write_value(data,
> > +
> > data->REG_TOLERANCE_H[nr],
> > + reg);
> > }
> > break;
> > case thermal_cruise:
> > - nct6775_write_value(data, data->REG_TARGET[nr],
> > - data->target_temp[nr]);
> > + data->write_value(data, data->REG_TARGET[nr],
> > + data->target_temp[nr]);
> > fallthrough;
> > default:
> > - reg = nct6775_read_value(data,
> > data->REG_FAN_MODE[nr]);
> > + reg = data->read_value(data,
> > data->REG_FAN_MODE[nr]); reg = (reg & ~data->tolerance_mask) |
> > data->temp_tolerance[0][nr];
> > - nct6775_write_value(data, data->REG_FAN_MODE[nr],
> > reg);
> > + data->write_value(data, data->REG_FAN_MODE[nr],
> > reg); break;
> > }
> > }
> > @@ -2722,13 +2738,13 @@ store_pwm_enable(struct device *dev, struct
> > device_attribute *attr,
> > * turn off pwm control: select manual mode, set
> > pwm to maximum */
> > data->pwm[0][nr] = 255;
> > - nct6775_write_value(data, data->REG_PWM[0][nr],
> > 255);
> > + data->write_value(data, data->REG_PWM[0][nr], 255);
> > }
> > pwm_update_registers(data, nr);
> > - reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]);
> > + reg = data->read_value(data, data->REG_FAN_MODE[nr]);
> > reg &= 0x0f;
> > reg |= pwm_enable_to_reg(val) << 4;
> > - nct6775_write_value(data, data->REG_FAN_MODE[nr], reg);
> > + data->write_value(data, data->REG_FAN_MODE[nr], reg);
> > mutex_unlock(&data->update_lock);
> > return count;
> > }
> > @@ -2781,10 +2797,10 @@ store_pwm_temp_sel(struct device *dev,
> > struct device_attribute *attr, mutex_lock(&data->update_lock);
> > src = data->temp_src[val - 1];
> > data->pwm_temp_sel[nr] = src;
> > - reg = nct6775_read_value(data, data->REG_TEMP_SEL[nr]);
> > + reg = data->read_value(data, data->REG_TEMP_SEL[nr]);
> > reg &= 0xe0;
> > reg |= src;
> > - nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg);
> > + data->write_value(data, data->REG_TEMP_SEL[nr], reg);
> > mutex_unlock(&data->update_lock);
> >
> > return count;
> > @@ -2826,15 +2842,15 @@ store_pwm_weight_temp_sel(struct device
> > *dev, struct device_attribute *attr, if (val) {
> > src = data->temp_src[val - 1];
> > data->pwm_weight_temp_sel[nr] = src;
> > - reg = nct6775_read_value(data,
> > data->REG_WEIGHT_TEMP_SEL[nr]);
> > + reg = data->read_value(data,
> > data->REG_WEIGHT_TEMP_SEL[nr]); reg &= 0xe0;
> > reg |= (src | 0x80);
> > - nct6775_write_value(data,
> > data->REG_WEIGHT_TEMP_SEL[nr], reg);
> > + data->write_value(data,
> > data->REG_WEIGHT_TEMP_SEL[nr], reg); } else {
> > data->pwm_weight_temp_sel[nr] = 0;
> > - reg = nct6775_read_value(data,
> > data->REG_WEIGHT_TEMP_SEL[nr]);
> > + reg = data->read_value(data,
> > data->REG_WEIGHT_TEMP_SEL[nr]); reg &= 0x7f;
> > - nct6775_write_value(data,
> > data->REG_WEIGHT_TEMP_SEL[nr], reg);
> > + data->write_value(data,
> > data->REG_WEIGHT_TEMP_SEL[nr], reg); }
> > mutex_unlock(&data->update_lock);
> >
> > @@ -2946,9 +2962,9 @@ store_temp_tolerance(struct device *dev,
> > struct device_attribute *attr, if (index)
> > pwm_update_registers(data, nr);
> > else
> > - nct6775_write_value(data,
> > -
> > data->REG_CRITICAL_TEMP_TOLERANCE[nr],
> > - val);
> > + data->write_value(data,
> > +
> > data->REG_CRITICAL_TEMP_TOLERANCE[nr],
> > + val);
> > mutex_unlock(&data->update_lock);
> > return count;
> > }
> > @@ -3071,7 +3087,7 @@ store_weight_temp(struct device *dev, struct
> > device_attribute *attr,
> > mutex_lock(&data->update_lock);
> > data->weight_temp[index][nr] = val;
> > - nct6775_write_value(data,
> > data->REG_WEIGHT_TEMP[index][nr], val);
> > + data->write_value(data, data->REG_WEIGHT_TEMP[index][nr],
> > val); mutex_unlock(&data->update_lock);
> > return count;
> > }
> > @@ -3120,7 +3136,7 @@ store_fan_time(struct device *dev, struct
> > device_attribute *attr, val = step_time_to_reg(val,
> > data->pwm_mode[nr]); mutex_lock(&data->update_lock);
> > data->fan_time[index][nr] = val;
> > - nct6775_write_value(data, data->REG_FAN_TIME[index][nr],
> > val);
> > + data->write_value(data, data->REG_FAN_TIME[index][nr],
> > val); mutex_unlock(&data->update_lock);
> > return count;
> > }
> > @@ -3162,21 +3178,21 @@ store_auto_pwm(struct device *dev, struct
> > device_attribute *attr, mutex_lock(&data->update_lock);
> > data->auto_pwm[nr][point] = val;
> > if (point < data->auto_pwm_num) {
> > - nct6775_write_value(data,
> > + data->write_value(data,
> > NCT6775_AUTO_PWM(data, nr,
> > point), data->auto_pwm[nr][point]);
> > } else {
> > switch (data->kind) {
> > case nct6775:
> > /* disable if needed (pwm == 0) */
> > - reg = nct6775_read_value(data,
> > -
> > NCT6775_REG_CRITICAL_ENAB[nr]);
> > + reg = data->read_value(data,
> > +
> > NCT6775_REG_CRITICAL_ENAB[nr]); if (val)
> > reg |= 0x02;
> > else
> > reg &= ~0x02;
> > - nct6775_write_value(data,
> > NCT6775_REG_CRITICAL_ENAB[nr],
> > - reg);
> > + data->write_value(data,
> > NCT6775_REG_CRITICAL_ENAB[nr],
> > + reg);
> > break;
> > case nct6776:
> > break; /* always enabled, nothing to do */
> > @@ -3190,17 +3206,17 @@ store_auto_pwm(struct device *dev, struct
> > device_attribute *attr, case nct6796:
> > case nct6797:
> > case nct6798:
> > - nct6775_write_value(data,
> > data->REG_CRITICAL_PWM[nr],
> > + data->write_value(data,
> > data->REG_CRITICAL_PWM[nr], val);
> > - reg = nct6775_read_value(data,
> > + reg = data->read_value(data,
> > data->REG_CRITICAL_PWM_ENABLE[nr]);
> > if (val == 255)
> > reg &=
> > ~data->CRITICAL_PWM_ENABLE_MASK; else
> > reg |=
> > data->CRITICAL_PWM_ENABLE_MASK;
> > - nct6775_write_value(data,
> > -
> > data->REG_CRITICAL_PWM_ENABLE[nr],
> > - reg);
> > + data->write_value(data,
> > +
> > data->REG_CRITICAL_PWM_ENABLE[nr],
> > + reg);
> > break;
> > }
> > }
> > @@ -3243,11 +3259,11 @@ store_auto_temp(struct device *dev, struct
> > device_attribute *attr, mutex_lock(&data->update_lock);
> > data->auto_temp[nr][point] = DIV_ROUND_CLOSEST(val, 1000);
> > if (point < data->auto_pwm_num) {
> > - nct6775_write_value(data,
> > + data->write_value(data,
> > NCT6775_AUTO_TEMP(data, nr,
> > point), data->auto_temp[nr][point]);
> > } else {
> > - nct6775_write_value(data,
> > data->REG_CRITICAL_TEMP[nr],
> > + data->write_value(data,
> > data->REG_CRITICAL_TEMP[nr], data->auto_temp[nr][point]);
> > }
> > mutex_unlock(&data->update_lock);
> > @@ -3410,6 +3426,7 @@ clear_caseopen(struct device *dev, struct
> > device_attribute *attr, const char *buf, size_t count)
> > {
> > struct nct6775_data *data = dev_get_drvdata(dev);
> > + struct nct6775_sio_data *sio_data = dev_get_platdata(dev);
> > int nr = to_sensor_dev_attr(attr)->index -
> > INTRUSION_ALARM_BASE; unsigned long val;
> > u8 reg;
> > @@ -3425,19 +3442,19 @@ clear_caseopen(struct device *dev, struct
> > device_attribute *attr,
> > * The CR registers are the same for all chips, and not
> > all chips
> > * support clearing the caseopen status through "regular"
> > registers. */
> > - ret = superio_enter(data->sioreg);
> > + ret = sio_data->sio_enter(sio_data);
> > if (ret) {
> > count = ret;
> > goto error;
> > }
> >
> > - superio_select(data->sioreg, NCT6775_LD_ACPI);
> > - reg = superio_inb(data->sioreg,
> > NCT6775_REG_CR_CASEOPEN_CLR[nr]);
> > + sio_data->sio_select(sio_data, NCT6775_LD_ACPI);
> > + reg = sio_data->sio_inb(sio_data,
> > NCT6775_REG_CR_CASEOPEN_CLR[nr]); reg |=
> > NCT6775_CR_CASEOPEN_CLR_MASK[nr];
> > - superio_outb(data->sioreg,
> > NCT6775_REG_CR_CASEOPEN_CLR[nr], reg);
> > + sio_data->sio_outb(sio_data,
> > NCT6775_REG_CR_CASEOPEN_CLR[nr], reg); reg &=
> > ~NCT6775_CR_CASEOPEN_CLR_MASK[nr];
> > - superio_outb(data->sioreg,
> > NCT6775_REG_CR_CASEOPEN_CLR[nr], reg);
> > - superio_exit(data->sioreg);
> > + sio_data->sio_outb(sio_data,
> > NCT6775_REG_CR_CASEOPEN_CLR[nr], reg);
> > + sio_data->sio_exit(sio_data);
> >
> > data->valid = false; /* Force cache refresh */
> > error:
> > @@ -3506,9 +3523,9 @@ static inline void nct6775_init_device(struct
> > nct6775_data *data)
> > /* Start monitoring if needed */
> > if (data->REG_CONFIG) {
> > - tmp = nct6775_read_value(data, data->REG_CONFIG);
> > + tmp = data->read_value(data, data->REG_CONFIG);
> > if (!(tmp & 0x01))
> > - nct6775_write_value(data,
> > data->REG_CONFIG, tmp | 0x01);
> > + data->write_value(data, data->REG_CONFIG,
> > tmp | 0x01); }
> >
> > /* Enable temperature sensors if needed */
> > @@ -3517,18 +3534,18 @@ static inline void
> > nct6775_init_device(struct nct6775_data *data) continue;
> > if (!data->reg_temp_config[i])
> > continue;
> > - tmp = nct6775_read_value(data,
> > data->reg_temp_config[i]);
> > + tmp = data->read_value(data,
> > data->reg_temp_config[i]); if (tmp & 0x01)
> > - nct6775_write_value(data,
> > data->reg_temp_config[i],
> > + data->write_value(data,
> > data->reg_temp_config[i], tmp & 0xfe);
> > }
> >
> > /* Enable VBAT monitoring if needed */
> > - tmp = nct6775_read_value(data, data->REG_VBAT);
> > + tmp = data->read_value(data, data->REG_VBAT);
> > if (!(tmp & 0x01))
> > - nct6775_write_value(data, data->REG_VBAT, tmp |
> > 0x01);
> > + data->write_value(data, data->REG_VBAT, tmp |
> > 0x01);
> > - diode = nct6775_read_value(data, data->REG_DIODE);
> > + diode = data->read_value(data, data->REG_DIODE);
> >
> > for (i = 0; i < data->temp_fixed_num; i++) {
> > if (!(data->have_temp_fixed & BIT(i)))
> > @@ -3542,29 +3559,29 @@ static inline void
> > nct6775_init_device(struct nct6775_data *data) }
> >
> > static void
> > -nct6775_check_fan_inputs(struct nct6775_data *data)
> > +nct6775_check_fan_inputs(struct nct6775_data *data,
> > + struct nct6775_sio_data *sio_data)
> > {
> > bool fan3pin = false, fan4pin = false, fan4min = false;
> > bool fan5pin = false, fan6pin = false, fan7pin = false;
> > bool pwm3pin = false, pwm4pin = false, pwm5pin = false;
> > bool pwm6pin = false, pwm7pin = false;
> > - int sioreg = data->sioreg;
> >
> > /* Store SIO_REG_ENABLE for use during resume */
> > - superio_select(sioreg, NCT6775_LD_HWM);
> > - data->sio_reg_enable = superio_inb(sioreg, SIO_REG_ENABLE);
> > + sio_data->sio_select(sio_data, NCT6775_LD_HWM);
> > + data->sio_reg_enable = sio_data->sio_inb(sio_data,
> > SIO_REG_ENABLE);
> > /* fan4 and fan5 share some pins with the GPIO and serial
> > flash */ if (data->kind == nct6775) {
> > - int cr2c = superio_inb(sioreg, 0x2c);
> > + int cr2c = sio_data->sio_inb(sio_data, 0x2c);
> >
> > fan3pin = cr2c & BIT(6);
> > pwm3pin = cr2c & BIT(7);
> >
> > /* On NCT6775, fan4 shares pins with the fdc
> > interface */
> > - fan4pin = !(superio_inb(sioreg, 0x2A) & 0x80);
> > + fan4pin = !(sio_data->sio_inb(sio_data, 0x2A) &
> > 0x80); } else if (data->kind == nct6776) {
> > - bool gpok = superio_inb(sioreg, 0x27) & 0x80;
> > + bool gpok = sio_data->sio_inb(sio_data, 0x27) &
> > 0x80; const char *board_vendor, *board_name;
> >
> > board_vendor =
> > dmi_get_system_info(DMI_BOARD_VENDOR); @@ -3580,7 +3597,7 @@
> > nct6775_check_fan_inputs(struct nct6775_data *data) if
> > (!strcmp(board_name, "Z77 Pro4-M")) { if ((data->sio_reg_enable &
> > 0xe0) != 0xe0) { data->sio_reg_enable |= 0xe0;
> > - superio_outb(sioreg,
> > SIO_REG_ENABLE,
> > +
> > sio_data->sio_outb(sio_data, SIO_REG_ENABLE, data->sio_reg_enable);
> > }
> > }
> > @@ -3589,32 +3606,32 @@ nct6775_check_fan_inputs(struct
> > nct6775_data *data) if (data->sio_reg_enable & 0x80)
> > fan3pin = gpok;
> > else
> > - fan3pin = !(superio_inb(sioreg, 0x24) &
> > 0x40);
> > + fan3pin = !(sio_data->sio_inb(sio_data,
> > 0x24) & 0x40);
> > if (data->sio_reg_enable & 0x40)
> > fan4pin = gpok;
> > else
> > - fan4pin = superio_inb(sioreg, 0x1C) & 0x01;
> > + fan4pin = sio_data->sio_inb(sio_data,
> > 0x1C) & 0x01;
> > if (data->sio_reg_enable & 0x20)
> > fan5pin = gpok;
> > else
> > - fan5pin = superio_inb(sioreg, 0x1C) & 0x02;
> > + fan5pin = sio_data->sio_inb(sio_data,
> > 0x1C) & 0x02;
> > fan4min = fan4pin;
> > pwm3pin = fan3pin;
> > } else if (data->kind == nct6106) {
> > - int cr24 = superio_inb(sioreg, 0x24);
> > + int cr24 = sio_data->sio_inb(sio_data, 0x24);
> >
> > fan3pin = !(cr24 & 0x80);
> > pwm3pin = cr24 & 0x08;
> > } else if (data->kind == nct6116) {
> > - int cr1a = superio_inb(sioreg, 0x1a);
> > - int cr1b = superio_inb(sioreg, 0x1b);
> > - int cr24 = superio_inb(sioreg, 0x24);
> > - int cr2a = superio_inb(sioreg, 0x2a);
> > - int cr2b = superio_inb(sioreg, 0x2b);
> > - int cr2f = superio_inb(sioreg, 0x2f);
> > + int cr1a = sio_data->sio_inb(sio_data, 0x1a);
> > + int cr1b = sio_data->sio_inb(sio_data, 0x1b);
> > + int cr24 = sio_data->sio_inb(sio_data, 0x24);
> > + int cr2a = sio_data->sio_inb(sio_data, 0x2a);
> > + int cr2b = sio_data->sio_inb(sio_data, 0x2b);
> > + int cr2f = sio_data->sio_inb(sio_data, 0x2f);
> >
> > fan3pin = !(cr2b & 0x10);
> > fan4pin = (cr2b & 0x80) ||
> > // pin 1(2) @@ -3630,24 +3647,24 @@ nct6775_check_fan_inputs(struct
> > nct6775_data *data)
> > * NCT6779D, NCT6791D, NCT6792D, NCT6793D,
> > NCT6795D, NCT6796D,
> > * NCT6797D, NCT6798D
> > */
> > - int cr1a = superio_inb(sioreg, 0x1a);
> > - 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);
> > + int cr1a = sio_data->sio_inb(sio_data, 0x1a);
> > + int cr1b = sio_data->sio_inb(sio_data, 0x1b);
> > + int cr1c = sio_data->sio_inb(sio_data, 0x1c);
> > + int cr1d = sio_data->sio_inb(sio_data, 0x1d);
> > + int cr2a = sio_data->sio_inb(sio_data, 0x2a);
> > + int cr2b = sio_data->sio_inb(sio_data, 0x2b);
> > + int cr2d = sio_data->sio_inb(sio_data, 0x2d);
> > + int cr2f = sio_data->sio_inb(sio_data, 0x2f);
> > bool dsw_en = cr2f & BIT(3);
> > bool ddr4_en = cr2f & BIT(4);
> > int cre0;
> > int creb;
> > int cred;
> >
> > - superio_select(sioreg, NCT6775_LD_12);
> > - cre0 = superio_inb(sioreg, 0xe0);
> > - creb = superio_inb(sioreg, 0xeb);
> > - cred = superio_inb(sioreg, 0xed);
> > + sio_data->sio_select(sio_data, NCT6775_LD_12);
> > + cre0 = sio_data->sio_inb(sio_data, 0xe0);
> > + creb = sio_data->sio_inb(sio_data, 0xeb);
> > + cred = sio_data->sio_inb(sio_data, 0xed);
> >
> > fan3pin = !(cr1c & BIT(5));
> > fan4pin = !(cr1c & BIT(6));
> > @@ -3774,7 +3791,7 @@ static void add_temp_sensors(struct
> > nct6775_data *data, const u16 *regp,
> > if (!regp[i])
> > continue;
> > - src = nct6775_read_value(data, regp[i]);
> > + src = data->read_value(data, regp[i]);
> > src &= 0x1f;
> > if (!src || (*mask & BIT(src)))
> > continue;
> > @@ -3782,7 +3799,7 @@ static void add_temp_sensors(struct
> > nct6775_data *data, const u16 *regp, continue;
> >
> > index = __ffs(*available);
> > - nct6775_write_value(data,
> > data->REG_TEMP_SOURCE[index], src);
> > + data->write_value(data,
> > data->REG_TEMP_SOURCE[index], src); *available &= ~BIT(index);
> > *mask |= BIT(src);
> > }
> > @@ -3793,7 +3810,7 @@ static int nct6775_probe(struct
> > platform_device *pdev) struct device *dev = &pdev->dev;
> > struct nct6775_sio_data *sio_data = dev_get_platdata(dev);
> > struct nct6775_data *data;
> > - struct resource *res;
> > + struct resource *res = NULL;
> > int i, s, err = 0;
> > int src, mask, available;
> > const u16 *reg_temp, *reg_temp_over, *reg_temp_hyst,
> > *reg_temp_config; @@ -3806,6 +3823,9 @@ static int
> > nct6775_probe(struct platform_device *pdev) int num_attr_groups = 0;
> >
> > res = platform_get_resource(pdev, IORESOURCE_IO, 0);
> > + if (!res)
> > + return -EBUSY;
> > +
>
> The probe function is triggerered from the init function,
> which always sets the resource. Please provide evidence explaining
> why this added check is needed.
Nothing special, because platform_get_resource can return error I have
added check for result. It can be dropped from patch.
Should I remove it?
>
> > if (!devm_request_region(&pdev->dev, res->start,
> > IOREGION_LENGTH, DRVNAME))
> > return -EBUSY;
> > @@ -3818,6 +3838,8 @@ static int nct6775_probe(struct
> > platform_device *pdev) data->kind = sio_data->kind;
> > data->sioreg = sio_data->sioreg;
> > data->addr = res->start;
> > + data->read_value = nct6775_read_value;
> > + data->write_value = nct6775_write_value;
> > mutex_init(&data->update_lock);
> > data->name = nct6775_device_names[data->kind];
> > data->bank = 0xff; /* Force initial bank
> > selection */ @@ -4337,7 +4359,7 @@ static int nct6775_probe(struct
> > platform_device *pdev) if (reg_temp[i] == 0)
> > continue;
> >
> > - src = nct6775_read_value(data,
> > data->REG_TEMP_SOURCE[i]) & 0x1f;
> > + src = data->read_value(data,
> > data->REG_TEMP_SOURCE[i]) & 0x1f; if (!src || (mask & BIT(src)))
> > available |= BIT(i);
> >
> > @@ -4357,7 +4379,7 @@ static int nct6775_probe(struct
> > platform_device *pdev) if (reg_temp[i] == 0)
> > continue;
> >
> > - src = nct6775_read_value(data,
> > data->REG_TEMP_SOURCE[i]) & 0x1f;
> > + src = data->read_value(data,
> > data->REG_TEMP_SOURCE[i]) & 0x1f; if (!src || (mask & BIT(src)))
> > continue;
> >
> > @@ -4417,7 +4439,7 @@ static int nct6775_probe(struct
> > platform_device *pdev) if (reg_temp_mon[i] == 0)
> > continue;
> >
> > - src = nct6775_read_value(data,
> > data->REG_TEMP_SEL[i]) & 0x1f;
> > + src = data->read_value(data,
> > data->REG_TEMP_SEL[i]) & 0x1f; if (!src)
> > continue;
> >
> > @@ -4502,11 +4524,11 @@ static int nct6775_probe(struct
> > platform_device *pdev) /* Initialize the chip */
> > nct6775_init_device(data);
> >
> > - err = superio_enter(sio_data->sioreg);
> > + err = sio_data->sio_enter(sio_data);
> > if (err)
> > return err;
> >
> > - cr2a = superio_inb(sio_data->sioreg, 0x2a);
> > + cr2a = sio_data->sio_inb(sio_data, 0x2a);
> > switch (data->kind) {
> > case nct6775:
> > data->have_vid = (cr2a & 0x40);
> > @@ -4532,17 +4554,17 @@ static int nct6775_probe(struct
> > platform_device *pdev)
> > * We can get the VID input values directly at logical
> > device D 0xe3. */
> > if (data->have_vid) {
> > - superio_select(sio_data->sioreg, NCT6775_LD_VID);
> > - data->vid = superio_inb(sio_data->sioreg, 0xe3);
> > + sio_data->sio_select(sio_data, NCT6775_LD_VID);
> > + data->vid = sio_data->sio_inb(sio_data, 0xe3);
> > data->vrm = vid_which_vrm();
> > }
> >
> > if (fan_debounce) {
> > u8 tmp;
> >
> > - superio_select(sio_data->sioreg, NCT6775_LD_HWM);
> > - tmp = superio_inb(sio_data->sioreg,
> > - NCT6775_REG_CR_FAN_DEBOUNCE);
> > + sio_data->sio_select(sio_data, NCT6775_LD_HWM);
> > + tmp = sio_data->sio_inb(sio_data,
> > + NCT6775_REG_CR_FAN_DEBOUNCE);
>
> There are various instances where multi-line alignment is off.
> Please check (and drop continuation lines where not needed).
>
> > switch (data->kind) {
> > case nct6106:
> > case nct6116:
> > @@ -4565,15 +4587,15 @@ static int nct6775_probe(struct
> > platform_device *pdev) tmp |= 0x7e;
> > break;
> > }
> > - superio_outb(sio_data->sioreg,
> > NCT6775_REG_CR_FAN_DEBOUNCE,
> > + sio_data->sio_outb(sio_data,
> > NCT6775_REG_CR_FAN_DEBOUNCE, tmp);
> > dev_info(&pdev->dev, "Enabled fan debounce for
> > chip %s\n", data->name);
> > }
> >
> > - nct6775_check_fan_inputs(data);
> > + nct6775_check_fan_inputs(data, sio_data);
> >
> > - superio_exit(sio_data->sioreg);
> > + sio_data->sio_exit(sio_data);
> >
> > /* Read fan clock dividers immediately */
> > nct6775_init_fan_common(dev, data);
> > @@ -4613,15 +4635,15 @@ static int nct6775_probe(struct
> > platform_device *pdev) return PTR_ERR_OR_ZERO(hwmon_dev);
> > }
> >
> > -static void nct6791_enable_io_mapping(int sioaddr)
> > +static void nct6791_enable_io_mapping(struct nct6775_sio_data
> > *sio_data) {
> > int val;
> >
> > - val = superio_inb(sioaddr,
> > NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE);
> > + val = sio_data->sio_inb(sio_data,
> > NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE); if (val & 0x10) {
> > pr_info("Enabling hardware monitor logical device
> > mappings.\n");
> > - superio_outb(sioaddr,
> > NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE,
> > - val & ~0x10);
> > + sio_data->sio_outb(sio_data,
> > NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE,
> > + val & ~0x10);
> > }
> > }
> >
> > @@ -4630,10 +4652,10 @@ static int __maybe_unused
> > nct6775_suspend(struct device *dev) struct nct6775_data *data =
> > nct6775_update_device(dev);
> > mutex_lock(&data->update_lock);
> > - data->vbat = nct6775_read_value(data, data->REG_VBAT);
> > + data->vbat = data->read_value(data, data->REG_VBAT);
> > if (data->kind == nct6775) {
> > - data->fandiv1 = nct6775_read_value(data,
> > NCT6775_REG_FANDIV1);
> > - data->fandiv2 = nct6775_read_value(data,
> > NCT6775_REG_FANDIV2);
> > + data->fandiv1 = data->read_value(data,
> > NCT6775_REG_FANDIV1);
> > + data->fandiv2 = data->read_value(data,
> > NCT6775_REG_FANDIV2); }
> > mutex_unlock(&data->update_lock);
> >
> > @@ -4643,47 +4665,47 @@ static int __maybe_unused
> > nct6775_suspend(struct device *dev) static int __maybe_unused
> > nct6775_resume(struct device *dev) {
> > struct nct6775_data *data = dev_get_drvdata(dev);
> > - int sioreg = data->sioreg;
> > + struct nct6775_sio_data *sio_data = dev_get_platdata(dev);
> > int i, j, err = 0;
> > u8 reg;
> >
> > mutex_lock(&data->update_lock);
> > data->bank = 0xff; /* Force initial bank
> > selection */
> > - err = superio_enter(sioreg);
> > + err = sio_data->sio_enter(sio_data);
> > if (err)
> > goto abort;
> >
> > - superio_select(sioreg, NCT6775_LD_HWM);
> > - reg = superio_inb(sioreg, SIO_REG_ENABLE);
> > + sio_data->sio_select(sio_data, NCT6775_LD_HWM);
> > + reg = sio_data->sio_inb(sio_data, SIO_REG_ENABLE);
> > if (reg != data->sio_reg_enable)
> > - superio_outb(sioreg, SIO_REG_ENABLE,
> > data->sio_reg_enable);
> > + sio_data->sio_outb(sio_data, SIO_REG_ENABLE,
> > data->sio_reg_enable);
> > if (data->kind == nct6791 || data->kind == nct6792 ||
> > data->kind == nct6793 || data->kind == nct6795 ||
> > data->kind == nct6796 || data->kind == nct6797 ||
> > data->kind == nct6798)
> > - nct6791_enable_io_mapping(sioreg);
> > + nct6791_enable_io_mapping(sio_data);
> >
> > - superio_exit(sioreg);
> > + sio_data->sio_exit(sio_data);
> >
> > /* Restore limits */
> > for (i = 0; i < data->in_num; i++) {
> > if (!(data->have_in & BIT(i)))
> > continue;
> >
> > - nct6775_write_value(data,
> > data->REG_IN_MINMAX[0][i],
> > - data->in[i][1]);
> > - nct6775_write_value(data,
> > data->REG_IN_MINMAX[1][i],
> > - data->in[i][2]);
> > + data->write_value(data, data->REG_IN_MINMAX[0][i],
> > + data->in[i][1]);
> > + data->write_value(data, data->REG_IN_MINMAX[1][i],
> > + data->in[i][2]);
> > }
> >
> > for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) {
> > if (!(data->has_fan_min & BIT(i)))
> > continue;
> >
> > - nct6775_write_value(data, data->REG_FAN_MIN[i],
> > - data->fan_min[i]);
> > + data->write_value(data, data->REG_FAN_MIN[i],
> > + data->fan_min[i]);
> > }
> >
> > for (i = 0; i < NUM_TEMP; i++) {
> > @@ -4697,10 +4719,10 @@ static int __maybe_unused
> > nct6775_resume(struct device *dev) }
> >
> > /* Restore other settings */
> > - nct6775_write_value(data, data->REG_VBAT, data->vbat);
> > + data->write_value(data, data->REG_VBAT, data->vbat);
> > if (data->kind == nct6775) {
> > - nct6775_write_value(data, NCT6775_REG_FANDIV1,
> > data->fandiv1);
> > - nct6775_write_value(data, NCT6775_REG_FANDIV2,
> > data->fandiv2);
> > + data->write_value(data, NCT6775_REG_FANDIV1,
> > data->fandiv1);
> > + data->write_value(data, NCT6775_REG_FANDIV2,
> > data->fandiv2); }
> >
> > abort:
> > @@ -4728,12 +4750,14 @@ static int __init nct6775_find(int sioaddr,
> > struct nct6775_sio_data *sio_data) int err;
> > int addr;
> >
> > - err = superio_enter(sioaddr);
> > + sio_data->sioreg = sioaddr;
> > +
> > + err = sio_data->sio_enter(sio_data);
> > if (err)
> > return err;
> >
> > - val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8) |
> > - superio_inb(sioaddr, SIO_REG_DEVID + 1);
> > + val = (sio_data->sio_inb(sio_data, SIO_REG_DEVID) << 8) |
> > + sio_data->sio_inb(sio_data, SIO_REG_DEVID + 1);
> > if (force_id && val != 0xffff)
> > val = force_id;
> >
> > @@ -4777,38 +4801,37 @@ static int __init nct6775_find(int sioaddr,
> > struct nct6775_sio_data *sio_data) default:
> > if (val != 0xffff)
> > pr_debug("unsupported chip ID: 0x%04x\n",
> > val);
> > - superio_exit(sioaddr);
> > + sio_data->sio_exit(sio_data);
> > return -ENODEV;
> > }
> >
> > /* We have a known chip, find the HWM I/O address */
> > - superio_select(sioaddr, NCT6775_LD_HWM);
> > - val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8)
> > - | superio_inb(sioaddr, SIO_REG_ADDR + 1);
> > + sio_data->sio_select(sio_data, NCT6775_LD_HWM);
> > + val = (sio_data->sio_inb(sio_data, SIO_REG_ADDR) << 8)
> > + | sio_data->sio_inb(sio_data, SIO_REG_ADDR + 1);
> > addr = val & IOREGION_ALIGNMENT;
> > if (addr == 0) {
> > pr_err("Refusing to enable a Super-I/O device with
> > a base I/O port 0\n");
> > - superio_exit(sioaddr);
> > + sio_data->sio_exit(sio_data);
> > return -ENODEV;
> > }
> >
> > /* Activate logical device if needed */
> > - val = superio_inb(sioaddr, SIO_REG_ENABLE);
> > + val = sio_data->sio_inb(sio_data, SIO_REG_ENABLE);
> > if (!(val & 0x01)) {
> > pr_warn("Forcibly enabling Super-I/O. Sensor is
> > probably unusable.\n");
> > - superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
> > + sio_data->sio_outb(sio_data, SIO_REG_ENABLE, val |
> > 0x01); }
> >
> > if (sio_data->kind == nct6791 || sio_data->kind == nct6792
> > || sio_data->kind == nct6793 || sio_data->kind == nct6795 ||
> > sio_data->kind == nct6796 || sio_data->kind == nct6797
> > || sio_data->kind == nct6798)
> > - nct6791_enable_io_mapping(sioaddr);
> > + nct6791_enable_io_mapping(sio_data);
> >
> > - superio_exit(sioaddr);
> > + sio_data->sio_exit(sio_data);
> > pr_info("Found %s or compatible chip at %#x:%#x\n",
> > nct6775_sio_names[sio_data->kind], sioaddr, addr);
> > - sio_data->sioreg = sioaddr;
> >
> > return addr;
> > }
> > @@ -4842,6 +4865,12 @@ static int __init sensors_nct6775_init(void)
> > * nct6775 hardware monitor, and call probe()
> > */
> > for (i = 0; i < ARRAY_SIZE(pdev); i++) {
> > + sio_data.sio_outb = superio_outb;
> > + sio_data.sio_inb = superio_inb;
> > + sio_data.sio_select = superio_select;
> > + sio_data.sio_enter = superio_enter;
> > + sio_data.sio_exit = superio_exit;
> > +
> > address = nct6775_find(sioaddr[i], &sio_data);
> > if (address <= 0)
> > continue;
> > --
> > 2.33.0
> >
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