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Date: Sat, 25 Sep 2021 06:23:06 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Paul Fertser <fercerpav@...il.com>
Cc: linux-hwmon@...r.kernel.org,
Alistair John Strachan <alistair@...zero.co.uk>,
Jean Delvare <jdelvare@...e.com>,
Corentin Labbe <clabbe.montjoie@...il.com>,
Henrik Rydberg <rydberg@...math.org>,
George Joseph <george.joseph@...rview5.com>,
Fenghua Yu <fenghua.yu@...el.com>,
Juerg Haefliger <juergh@...il.com>,
Riku Voipio <riku.voipio@....fi>,
Jim Cromie <jim.cromie@...il.com>,
Roger Lucas <vt8231@...denengine.co.uk>,
Marc Hulsman <m.hulsman@...elft.nl>,
Rudolf Marek <r.marek@...embler.cz>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon: cleanup non-bool "valid" data fields
On Fri, Sep 24, 2021 at 10:52:02PM +0300, Paul Fertser wrote:
> We have bool so use it consistently in all the drivers.
>
Please _never_ send a patch as reply to a previous patch, unless you
want it to get lost.
I have limited internet access right now, for the next week or so.
I'll review your patch afterwards.
Guenter
> The following Coccinelle script was used:
>
> @@
> identifier T;
> type t = { char, int };
> @@
> struct T {
> ...
> - t valid;
> + bool valid;
> ...
> }
>
> @@
> identifier v;
> @@
> (
> - v->valid = 0
> + v->valid = false
> |
> - v->valid = 1
> + v->valid = true
> )
>
> followed by sed to fixup the comments:
> sed '/bool valid;/{s/!=0/true/;s/zero/false/}'
>
> Few whitespace changes were fixed manually. All modified drivers were
> compile-tested.
>
> Signed-off-by: Paul Fertser <fercerpav@...il.com>
> ---
>
> This was generated against hwmon-next branch.
>
> drivers/hwmon/abituguru3.c | 6 +++---
> drivers/hwmon/ad7414.c | 4 ++--
> drivers/hwmon/ad7418.c | 6 +++---
> drivers/hwmon/adm1021.c | 4 ++--
> drivers/hwmon/adm1025.c | 4 ++--
> drivers/hwmon/adm1026.c | 4 ++--
> drivers/hwmon/adm1029.c | 4 ++--
> drivers/hwmon/adm1031.c | 6 +++---
> drivers/hwmon/amc6821.c | 8 ++++----
> drivers/hwmon/applesmc.c | 2 +-
> drivers/hwmon/asb100.c | 4 ++--
> drivers/hwmon/asc7621.c | 4 ++--
> drivers/hwmon/atxp1.c | 8 ++++----
> drivers/hwmon/coretemp.c | 2 +-
> drivers/hwmon/dme1737.c | 4 ++--
> drivers/hwmon/ds1621.c | 4 ++--
> drivers/hwmon/ds620.c | 4 ++--
> drivers/hwmon/emc6w201.c | 4 ++--
> drivers/hwmon/f71805f.c | 4 ++--
> drivers/hwmon/f71882fg.c | 4 ++--
> drivers/hwmon/f75375s.c | 4 ++--
> drivers/hwmon/fschmd.c | 4 ++--
> drivers/hwmon/g760a.c | 2 +-
> drivers/hwmon/gl518sm.c | 4 ++--
> drivers/hwmon/gl520sm.c | 4 ++--
> drivers/hwmon/ibmaem.c | 2 +-
> drivers/hwmon/ibmpex.c | 4 ++--
> drivers/hwmon/it87.c | 12 ++++++------
> drivers/hwmon/lineage-pem.c | 2 +-
> drivers/hwmon/lm63.c | 6 +++---
> drivers/hwmon/lm77.c | 4 ++--
> drivers/hwmon/lm78.c | 4 ++--
> drivers/hwmon/lm80.c | 6 +++---
> drivers/hwmon/lm83.c | 4 ++--
> drivers/hwmon/lm85.c | 4 ++--
> drivers/hwmon/lm87.c | 4 ++--
> drivers/hwmon/lm92.c | 4 ++--
> drivers/hwmon/lm93.c | 4 ++--
> drivers/hwmon/lm95241.c | 8 ++++----
> drivers/hwmon/ltc4151.c | 2 +-
> drivers/hwmon/ltc4215.c | 2 +-
> drivers/hwmon/ltc4261.c | 4 ++--
> drivers/hwmon/max16065.c | 2 +-
> drivers/hwmon/max1619.c | 4 ++--
> drivers/hwmon/max1668.c | 4 ++--
> drivers/hwmon/max6639.c | 4 ++--
> drivers/hwmon/max6642.c | 2 +-
> drivers/hwmon/pc87360.c | 4 ++--
> drivers/hwmon/sch5636.c | 4 ++--
> drivers/hwmon/sht21.c | 4 ++--
> drivers/hwmon/sis5595.c | 4 ++--
> drivers/hwmon/smm665.c | 2 +-
> drivers/hwmon/smsc47b397.c | 4 ++--
> drivers/hwmon/smsc47m192.c | 4 ++--
> drivers/hwmon/thmc50.c | 4 ++--
> drivers/hwmon/tmp401.c | 6 +++---
> drivers/hwmon/tmp421.c | 6 +++---
> drivers/hwmon/via686a.c | 4 ++--
> drivers/hwmon/vt1211.c | 4 ++--
> drivers/hwmon/vt8231.c | 4 ++--
> drivers/hwmon/w83627ehf.c | 8 ++++----
> drivers/hwmon/w83627hf.c | 6 +++---
> drivers/hwmon/w83781d.c | 4 ++--
> drivers/hwmon/w83791d.c | 4 ++--
> drivers/hwmon/w83792d.c | 6 +++---
> drivers/hwmon/w83793.c | 6 +++---
> drivers/hwmon/w83795.c | 6 +++---
> drivers/hwmon/w83l785ts.c | 4 ++--
> drivers/hwmon/w83l786ng.c | 4 ++--
> 69 files changed, 151 insertions(+), 151 deletions(-)
>
> diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c
> index 112dd0d9377c..8229ad30c909 100644
> --- a/drivers/hwmon/abituguru3.c
> +++ b/drivers/hwmon/abituguru3.c
> @@ -145,7 +145,7 @@ struct abituguru3_data {
> struct device *hwmon_dev; /* hwmon registered device */
> struct mutex update_lock; /* protect access to data and uGuru */
> unsigned short addr; /* uguru base address */
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> /*
> @@ -1083,7 +1083,7 @@ static struct abituguru3_data *abituguru3_update_device(struct device *dev)
> mutex_lock(&data->update_lock);
> if (!data->valid || time_after(jiffies, data->last_updated + HZ)) {
> /* Clear data->valid while updating */
> - data->valid = 0;
> + data->valid = false;
> /* Read alarms */
> if (abituguru3_read_increment_offset(data,
> ABIT_UGURU3_SETTINGS_BANK,
> @@ -1117,7 +1117,7 @@ static struct abituguru3_data *abituguru3_update_device(struct device *dev)
> goto LEAVE_UPDATE;
> }
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
> LEAVE_UPDATE:
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c
> index 6a765755d061..0afb89c4629d 100644
> --- a/drivers/hwmon/ad7414.c
> +++ b/drivers/hwmon/ad7414.c
> @@ -37,7 +37,7 @@ static u8 AD7414_REG_LIMIT[] = { AD7414_REG_T_HIGH, AD7414_REG_T_LOW };
> struct ad7414_data {
> struct i2c_client *client;
> struct mutex lock; /* atomic read data updates */
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long next_update; /* In jiffies */
> s16 temp_input; /* Register values */
> s8 temps[ARRAY_SIZE(AD7414_REG_LIMIT)];
> @@ -95,7 +95,7 @@ static struct ad7414_data *ad7414_update_device(struct device *dev)
> }
>
> data->next_update = jiffies + HZ + HZ / 2;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->lock);
> diff --git a/drivers/hwmon/ad7418.c b/drivers/hwmon/ad7418.c
> index d618f6b2f382..22bdb7e5b9e0 100644
> --- a/drivers/hwmon/ad7418.c
> +++ b/drivers/hwmon/ad7418.c
> @@ -46,7 +46,7 @@ struct ad7418_data {
> enum chips type;
> struct mutex lock;
> int adc_max; /* number of ADC channels */
> - char valid;
> + bool valid;
> unsigned long last_updated; /* In jiffies */
> s16 temp[3]; /* Register values */
> u16 in[4];
> @@ -111,14 +111,14 @@ static int ad7418_update_device(struct device *dev)
> goto abort;
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->lock);
> return 0;
>
> abort:
> - data->valid = 0;
> + data->valid = false;
> mutex_unlock(&data->lock);
> return val;
> }
> diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
> index 71deb2cd20f5..38b447c6e8cd 100644
> --- a/drivers/hwmon/adm1021.c
> +++ b/drivers/hwmon/adm1021.c
> @@ -72,7 +72,7 @@ struct adm1021_data {
> const struct attribute_group *groups[3];
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> char low_power; /* !=0 if device in low power mode */
> unsigned long last_updated; /* In jiffies */
>
> @@ -135,7 +135,7 @@ static struct adm1021_data *adm1021_update_device(struct device *dev)
> ADM1023_REG_REM_OFFSET_PREC);
> }
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c
> index de51e01c061b..4352f6a884e8 100644
> --- a/drivers/hwmon/adm1025.c
> +++ b/drivers/hwmon/adm1025.c
> @@ -97,7 +97,7 @@ struct adm1025_data {
> struct i2c_client *client;
> const struct attribute_group *groups[3];
> struct mutex update_lock;
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> unsigned long last_updated; /* in jiffies */
>
> u8 in[6]; /* register value */
> @@ -148,7 +148,7 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
> ADM1025_REG_VID4) & 0x01) << 4);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c
> index 49cefbadb156..69b3ec752944 100644
> --- a/drivers/hwmon/adm1026.c
> +++ b/drivers/hwmon/adm1026.c
> @@ -259,7 +259,7 @@ struct adm1026_data {
> const struct attribute_group *groups[3];
>
> struct mutex update_lock;
> - int valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_reading; /* In jiffies */
> unsigned long last_config; /* In jiffies */
>
> @@ -459,7 +459,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
> data->last_config = jiffies;
> } /* last_config */
>
> - data->valid = 1;
> + data->valid = true;
> mutex_unlock(&data->update_lock);
> return data;
> }
> diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c
> index 50b1df7b008c..3e1999413f32 100644
> --- a/drivers/hwmon/adm1029.c
> +++ b/drivers/hwmon/adm1029.c
> @@ -99,7 +99,7 @@ static const u8 ADM1029_REG_FAN_DIV[] = {
> struct adm1029_data {
> struct i2c_client *client;
> struct mutex update_lock; /* protect register access */
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> unsigned long last_updated; /* in jiffies */
>
> /* registers values, signed for temperature, unsigned for other stuff */
> @@ -143,7 +143,7 @@ static struct adm1029_data *adm1029_update_device(struct device *dev)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c
> index b538ace2d292..257ec53ae723 100644
> --- a/drivers/hwmon/adm1031.c
> +++ b/drivers/hwmon/adm1031.c
> @@ -65,7 +65,7 @@ struct adm1031_data {
> const struct attribute_group *groups[3];
> struct mutex update_lock;
> int chip_type;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
> unsigned int update_interval; /* In milliseconds */
> /*
> @@ -187,7 +187,7 @@ static struct adm1031_data *adm1031_update_device(struct device *dev)
> ADM1031_REG_PWM) >> (4 * chan)) & 0x0f;
> }
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> @@ -650,7 +650,7 @@ static ssize_t fan_div_store(struct device *dev,
> data->fan_min[nr]);
>
> /* Invalidate the cache: fan speed is no longer valid */
> - data->valid = 0;
> + data->valid = false;
> mutex_unlock(&data->update_lock);
> return count;
> }
> diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
> index 6b1ce2242c61..0c16face3fd3 100644
> --- a/drivers/hwmon/amc6821.c
> +++ b/drivers/hwmon/amc6821.c
> @@ -141,7 +141,7 @@ static const u8 fan_reg_hi[] = {AMC6821_REG_TDATA_HI,
> struct amc6821_data {
> struct i2c_client *client;
> struct mutex update_lock;
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> unsigned long last_updated; /* in jiffies */
>
> /* register values */
> @@ -258,7 +258,7 @@ static struct amc6821_data *amc6821_update_device(struct device *dev)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
> mutex_unlock(&data->update_lock);
> return data;
> @@ -511,7 +511,7 @@ static ssize_t temp_auto_point_temp_store(struct device *dev,
> }
>
> mutex_lock(&data->update_lock);
> - data->valid = 0;
> + data->valid = false;
>
> switch (ix) {
> case 0:
> @@ -584,7 +584,7 @@ static ssize_t pwm1_auto_point_pwm_store(struct device *dev,
> }
>
> EXIT:
> - data->valid = 0;
> + data->valid = false;
> mutex_unlock(&data->update_lock);
> return count;
> }
> diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
> index c31759794a29..fc6d6a9053ce 100644
> --- a/drivers/hwmon/applesmc.c
> +++ b/drivers/hwmon/applesmc.c
> @@ -391,7 +391,7 @@ static const struct applesmc_entry *applesmc_get_entry_by_index(int index)
> cache->len = info[0];
> memcpy(cache->type, &info[1], 4);
> cache->flags = info[5];
> - cache->valid = 1;
> + cache->valid = true;
>
> out:
> mutex_unlock(&smcreg.mutex);
> diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c
> index ba9fcf6f9264..8cf0bcb85eb4 100644
> --- a/drivers/hwmon/asb100.c
> +++ b/drivers/hwmon/asb100.c
> @@ -186,7 +186,7 @@ struct asb100_data {
> /* array of 2 pointers to subclients */
> struct i2c_client *lm75[2];
>
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> u8 in[7]; /* Register value */
> u8 in_max[7]; /* Register value */
> u8 in_min[7]; /* Register value */
> @@ -993,7 +993,7 @@ static struct asb100_data *asb100_update_device(struct device *dev)
> (asb100_read_value(client, ASB100_REG_ALARM2) << 8);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
>
> dev_dbg(&client->dev, "... device update complete\n");
> }
> diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c
> index 600ffc7e1900..e835605a7456 100644
> --- a/drivers/hwmon/asc7621.c
> +++ b/drivers/hwmon/asc7621.c
> @@ -77,7 +77,7 @@ struct asc7621_data {
> struct i2c_client client;
> struct device *class_dev;
> struct mutex update_lock;
> - int valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_high_reading; /* In jiffies */
> unsigned long last_low_reading; /* In jiffies */
> /*
> @@ -1032,7 +1032,7 @@ static struct asc7621_data *asc7621_update_device(struct device *dev)
> data->last_low_reading = jiffies;
> } /* last_reading */
>
> - data->valid = 1;
> + data->valid = true;
>
> mutex_unlock(&data->update_lock);
>
> diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c
> index 1e08a5431f12..24e7da68c064 100644
> --- a/drivers/hwmon/atxp1.c
> +++ b/drivers/hwmon/atxp1.c
> @@ -63,7 +63,7 @@ static struct atxp1_data *atxp1_update_device(struct device *dev)
> data->reg.gpio1 = i2c_smbus_read_byte_data(client, ATXP1_GPIO1);
> data->reg.gpio2 = i2c_smbus_read_byte_data(client, ATXP1_GPIO2);
>
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> @@ -136,7 +136,7 @@ static ssize_t cpu0_vid_store(struct device *dev,
> ATXP1_VID, cvid | ATXP1_VIDENA);
> }
>
> - data->valid = 0;
> + data->valid = false;
>
> return count;
> }
> @@ -180,7 +180,7 @@ static ssize_t gpio1_store(struct device *dev, struct device_attribute *attr,
>
> i2c_smbus_write_byte_data(client, ATXP1_GPIO1, value);
>
> - data->valid = 0;
> + data->valid = false;
> }
>
> return count;
> @@ -224,7 +224,7 @@ static ssize_t gpio2_store(struct device *dev, struct device_attribute *attr,
>
> i2c_smbus_write_byte_data(client, ATXP1_GPIO2, value);
>
> - data->valid = 0;
> + data->valid = false;
> }
>
> return count;
> diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
> index bb9211215a68..ccf0af5b988a 100644
> --- a/drivers/hwmon/coretemp.c
> +++ b/drivers/hwmon/coretemp.c
> @@ -167,7 +167,7 @@ static ssize_t show_temp(struct device *dev,
> * really help at all.
> */
> tdata->temp = tdata->tjmax - ((eax >> 16) & 0x7f) * 1000;
> - tdata->valid = 1;
> + tdata->valid = true;
> tdata->last_updated = jiffies;
> }
>
> diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c
> index c1e4cfb40c3d..e3ad4c2d0038 100644
> --- a/drivers/hwmon/dme1737.c
> +++ b/drivers/hwmon/dme1737.c
> @@ -203,7 +203,7 @@ struct dme1737_data {
> unsigned int addr; /* for ISA devices only */
>
> struct mutex update_lock;
> - int valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_update; /* in jiffies */
> unsigned long last_vbat; /* in jiffies */
> enum chips type;
> @@ -778,7 +778,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
> }
>
> data->last_update = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
> index bf1c4b7ecb40..0886abf6ebab 100644
> --- a/drivers/hwmon/ds1621.c
> +++ b/drivers/hwmon/ds1621.c
> @@ -109,7 +109,7 @@ static const u8 DS1621_REG_TEMP[3] = {
> struct ds1621_data {
> struct i2c_client *client;
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
> enum chips kind; /* device type */
>
> @@ -213,7 +213,7 @@ static struct ds1621_data *ds1621_update_client(struct device *dev)
> new_conf);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/ds620.c b/drivers/hwmon/ds620.c
> index 9ec722798c4a..82d7c3d58f49 100644
> --- a/drivers/hwmon/ds620.c
> +++ b/drivers/hwmon/ds620.c
> @@ -56,7 +56,7 @@ static const u8 DS620_REG_TEMP[3] = {
> struct ds620_data {
> struct i2c_client *client;
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> s16 temp[3]; /* Register values, word */
> @@ -118,7 +118,7 @@ static struct ds620_data *ds620_update_client(struct device *dev)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
> abort:
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/emc6w201.c b/drivers/hwmon/emc6w201.c
> index ec5c98702bf5..29082c8463f4 100644
> --- a/drivers/hwmon/emc6w201.c
> +++ b/drivers/hwmon/emc6w201.c
> @@ -45,7 +45,7 @@ enum subfeature { input, min, max };
> struct emc6w201_data {
> struct i2c_client *client;
> struct mutex update_lock;
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> unsigned long last_updated; /* in jiffies */
>
> /* registers values */
> @@ -162,7 +162,7 @@ static struct emc6w201_data *emc6w201_update_device(struct device *dev)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c
> index 67b47de8263a..7f20edb0677c 100644
> --- a/drivers/hwmon/f71805f.c
> +++ b/drivers/hwmon/f71805f.c
> @@ -165,7 +165,7 @@ struct f71805f_data {
> struct device *hwmon_dev;
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
> unsigned long last_limits; /* In jiffies */
>
> @@ -404,7 +404,7 @@ static struct f71805f_data *f71805f_update_device(struct device *dev)
> + (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
> index 4dec793fd07d..4673d403759a 100644
> --- a/drivers/hwmon/f71882fg.c
> +++ b/drivers/hwmon/f71882fg.c
> @@ -253,7 +253,7 @@ struct f71882fg_data {
>
> struct mutex update_lock;
> int temp_start; /* temp numbering start (0 or 1) */
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> char auto_point_temp_signed;
> unsigned long last_updated; /* In jiffies */
> unsigned long last_limits; /* In jiffies */
> @@ -1359,7 +1359,7 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev)
> F71882FG_REG_IN(nr));
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
> index 3e567be60fb1..57c8a473698d 100644
> --- a/drivers/hwmon/f75375s.c
> +++ b/drivers/hwmon/f75375s.c
> @@ -85,7 +85,7 @@ struct f75375_data {
> const char *name;
> int kind;
> struct mutex update_lock; /* protect register access */
> - char valid;
> + bool valid;
> unsigned long last_updated; /* In jiffies */
> unsigned long last_limits; /* In jiffies */
>
> @@ -228,7 +228,7 @@ static struct f75375_data *f75375_update_device(struct device *dev)
> f75375_read8(client, F75375_REG_VOLT(nr));
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c
> index 5191cd85a8d1..c26195e3aad7 100644
> --- a/drivers/hwmon/fschmd.c
> +++ b/drivers/hwmon/fschmd.c
> @@ -264,7 +264,7 @@ struct fschmd_data {
> unsigned long watchdog_is_open;
> char watchdog_expect_close;
> char watchdog_name[10]; /* must be unique to avoid sysfs conflict */
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> unsigned long last_updated; /* in jiffies */
>
> /* register values */
> @@ -1356,7 +1356,7 @@ static struct fschmd_data *fschmd_update_device(struct device *dev)
> FSCHMD_REG_VOLT[data->kind][i]);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/g760a.c b/drivers/hwmon/g760a.c
> index a692f7b2f6f7..36717b524dbd 100644
> --- a/drivers/hwmon/g760a.c
> +++ b/drivers/hwmon/g760a.c
> @@ -95,7 +95,7 @@ static struct g760a_data *g760a_update_client(struct device *dev)
> data->fan_sta = g760a_read_value(client, G760A_REG_FAN_STA);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/gl518sm.c b/drivers/hwmon/gl518sm.c
> index 7aaee5a48243..dd683b0a648f 100644
> --- a/drivers/hwmon/gl518sm.c
> +++ b/drivers/hwmon/gl518sm.c
> @@ -107,7 +107,7 @@ struct gl518_data {
> enum chips type;
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> u8 voltage_in[4]; /* Register values; [0] = VDD */
> @@ -211,7 +211,7 @@ static struct gl518_data *gl518_update_device(struct device *dev)
> gl518_read_value(client, GL518_REG_VIN3);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c
> index 4ae1295cc3ea..096ba9797211 100644
> --- a/drivers/hwmon/gl520sm.c
> +++ b/drivers/hwmon/gl520sm.c
> @@ -64,7 +64,7 @@ struct gl520_data {
> struct i2c_client *client;
> const struct attribute_group *groups[3];
> struct mutex update_lock;
> - char valid; /* zero until the following fields are valid */
> + bool valid; /* false until the following fields are valid */
> unsigned long last_updated; /* in jiffies */
>
> u8 vid;
> @@ -174,7 +174,7 @@ static struct gl520_data *gl520_update_device(struct device *dev)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
> index a4ec85207782..de6baf6ca3d1 100644
> --- a/drivers/hwmon/ibmaem.c
> +++ b/drivers/hwmon/ibmaem.c
> @@ -127,7 +127,7 @@ struct aem_data {
> struct device *hwmon_dev;
> struct platform_device *pdev;
> struct mutex lock;
> - char valid;
> + bool valid;
> unsigned long last_updated; /* In jiffies */
> u8 ver_major;
> u8 ver_minor;
> diff --git a/drivers/hwmon/ibmpex.c b/drivers/hwmon/ibmpex.c
> index b2ab83c9fd9a..f6ec165c0fa8 100644
> --- a/drivers/hwmon/ibmpex.c
> +++ b/drivers/hwmon/ibmpex.c
> @@ -66,7 +66,7 @@ struct ibmpex_bmc_data {
> struct device *hwmon_dev;
> struct device *bmc_device;
> struct mutex lock;
> - char valid;
> + bool valid;
> unsigned long last_updated; /* In jiffies */
>
> struct ipmi_addr address;
> @@ -239,7 +239,7 @@ static void ibmpex_update_device(struct ibmpex_bmc_data *data)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
>
> out:
> mutex_unlock(&data->lock);
> diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
> index 1f93134afcb9..0e543dbe0a6b 100644
> --- a/drivers/hwmon/it87.c
> +++ b/drivers/hwmon/it87.c
> @@ -519,7 +519,7 @@ struct it87_data {
> unsigned short addr;
> const char *name;
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> u16 in_scaled; /* Internal voltage sensors are scaled */
> @@ -844,7 +844,7 @@ static struct it87_data *it87_update_device(struct device *dev)
> data->vid &= 0x3f;
> }
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> @@ -980,7 +980,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
> regval |= 0x80;
> it87_write_value(data, IT87_REG_BEEP_ENABLE, regval);
> }
> - data->valid = 0;
> + data->valid = false;
> reg = IT87_REG_TEMP_OFFSET[nr];
> break;
> }
> @@ -1079,7 +1079,7 @@ static ssize_t set_temp_type(struct device *dev, struct device_attribute *attr,
> it87_write_value(data, IT87_REG_TEMP_ENABLE, data->sensor);
> if (has_temp_old_peci(data, nr))
> it87_write_value(data, IT87_REG_TEMP_EXTRA, data->extra);
> - data->valid = 0; /* Force cache refresh */
> + data->valid = false; /* Force cache refresh */
> mutex_unlock(&data->update_lock);
> return count;
> }
> @@ -1834,7 +1834,7 @@ static ssize_t clear_intrusion(struct device *dev,
> config |= BIT(5);
> it87_write_value(data, IT87_REG_CONFIG, config);
> /* Invalidate cache to force re-read */
> - data->valid = 0;
> + data->valid = false;
> }
> mutex_unlock(&data->update_lock);
>
> @@ -3229,7 +3229,7 @@ static int __maybe_unused it87_resume(struct device *dev)
> it87_start_monitoring(data);
>
> /* force update */
> - data->valid = 0;
> + data->valid = false;
>
> mutex_unlock(&data->update_lock);
>
> diff --git a/drivers/hwmon/lineage-pem.c b/drivers/hwmon/lineage-pem.c
> index 1109fffa76fb..ef5a49cd9149 100644
> --- a/drivers/hwmon/lineage-pem.c
> +++ b/drivers/hwmon/lineage-pem.c
> @@ -191,7 +191,7 @@ static struct pem_data *pem_update_device(struct device *dev)
> i2c_smbus_write_byte(client, PEM_CLEAR_INFO_FLAGS);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
> abort:
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
> index c8f93c5d1ccc..339a145afc09 100644
> --- a/drivers/hwmon/lm63.c
> +++ b/drivers/hwmon/lm63.c
> @@ -139,7 +139,7 @@ struct lm63_data {
> struct i2c_client *client;
> struct mutex update_lock;
> const struct attribute_group *groups[5];
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> char lut_valid; /* zero until lut fields are valid */
> unsigned long last_updated; /* in jiffies */
> unsigned long lut_last_updated; /* in jiffies */
> @@ -289,7 +289,7 @@ static struct lm63_data *lm63_update_device(struct device *dev)
> LM63_REG_ALERT_STATUS) & 0x7F;
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> lm63_update_lut(data);
> @@ -714,7 +714,7 @@ static ssize_t temp2_type_store(struct device *dev,
> reg = i2c_smbus_read_byte_data(client, LM96163_REG_TRUTHERM) & ~0x02;
> i2c_smbus_write_byte_data(client, LM96163_REG_TRUTHERM,
> reg | (data->trutherm ? 0x02 : 0x00));
> - data->valid = 0;
> + data->valid = false;
> mutex_unlock(&data->update_lock);
>
> return count;
> diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c
> index 7570c9d50ddc..df6af85e170a 100644
> --- a/drivers/hwmon/lm77.c
> +++ b/drivers/hwmon/lm77.c
> @@ -55,7 +55,7 @@ static const u8 temp_regs[t_num_temp] = {
> struct lm77_data {
> struct i2c_client *client;
> struct mutex update_lock;
> - char valid;
> + bool valid;
> unsigned long last_updated; /* In jiffies */
> int temp[t_num_temp]; /* index using temp_index */
> u8 alarms;
> @@ -118,7 +118,7 @@ static struct lm77_data *lm77_update_device(struct device *dev)
> data->alarms =
> lm77_read_value(client, LM77_REG_TEMP) & 0x0007;
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
> index 1aa35ca0c6fe..5e129cbec1cb 100644
> --- a/drivers/hwmon/lm78.c
> +++ b/drivers/hwmon/lm78.c
> @@ -117,7 +117,7 @@ struct lm78_data {
> int isa_addr;
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> u8 in[7]; /* Register value */
> @@ -772,7 +772,7 @@ static struct lm78_data *lm78_update_device(struct device *dev)
> data->alarms = lm78_read_value(data, LM78_REG_ALARM1) +
> (lm78_read_value(data, LM78_REG_ALARM2) << 8);
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
>
> data->fan_div[2] = 1;
> }
> diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c
> index 97ab491d2922..e85e062bbf32 100644
> --- a/drivers/hwmon/lm80.c
> +++ b/drivers/hwmon/lm80.c
> @@ -117,7 +117,7 @@ struct lm80_data {
> struct i2c_client *client;
> struct mutex update_lock;
> char error; /* !=0 if error occurred during last update */
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> u8 in[i_num_in][7]; /* Register value, 1st index is enum in_index */
> @@ -236,14 +236,14 @@ static struct lm80_data *lm80_update_device(struct device *dev)
> data->alarms = prev_rv + (rv << 8);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> data->error = 0;
> }
> goto done;
>
> abort:
> ret = ERR_PTR(rv);
> - data->valid = 0;
> + data->valid = false;
> data->error = 1;
>
> done:
> diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c
> index 2ff5ecce608e..74fd7aa373a3 100644
> --- a/drivers/hwmon/lm83.c
> +++ b/drivers/hwmon/lm83.c
> @@ -105,7 +105,7 @@ struct lm83_data {
> struct i2c_client *client;
> const struct attribute_group *groups[3];
> struct mutex update_lock;
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> unsigned long last_updated; /* in jiffies */
>
> /* registers values */
> @@ -137,7 +137,7 @@ static struct lm83_data *lm83_update_device(struct device *dev)
> << 8);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
> index c7bf5de7b70f..88cf2012d34b 100644
> --- a/drivers/hwmon/lm85.c
> +++ b/drivers/hwmon/lm85.c
> @@ -294,7 +294,7 @@ struct lm85_data {
> bool has_vid5; /* true if VID5 is configured for ADT7463 or ADT7468 */
>
> struct mutex update_lock;
> - int valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_reading; /* In jiffies */
> unsigned long last_config; /* In jiffies */
>
> @@ -541,7 +541,7 @@ static struct lm85_data *lm85_update_device(struct device *dev)
> data->last_config = jiffies;
> } /* last_config */
>
> - data->valid = 1;
> + data->valid = true;
>
> mutex_unlock(&data->update_lock);
>
> diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
> index b2d820125bb6..1750bc588856 100644
> --- a/drivers/hwmon/lm87.c
> +++ b/drivers/hwmon/lm87.c
> @@ -141,7 +141,7 @@ static u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C };
>
> struct lm87_data {
> struct mutex update_lock;
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> u8 channel; /* register value */
> @@ -251,7 +251,7 @@ static struct lm87_data *lm87_update_device(struct device *dev)
> data->aout = lm87_read_value(client, LM87_REG_AOUT);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
> index 9bf278cf0bd0..5bae6eedcaf1 100644
> --- a/drivers/hwmon/lm92.c
> +++ b/drivers/hwmon/lm92.c
> @@ -99,7 +99,7 @@ static const u8 regs[t_num_regs] = {
> struct lm92_data {
> struct i2c_client *client;
> struct mutex update_lock;
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> unsigned long last_updated; /* in jiffies */
>
> /* registers values */
> @@ -126,7 +126,7 @@ static struct lm92_data *lm92_update_device(struct device *dev)
> i2c_smbus_read_word_swapped(client, regs[i]);
> }
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/lm93.c b/drivers/hwmon/lm93.c
> index 78d6dfaf145b..dc67bf954b21 100644
> --- a/drivers/hwmon/lm93.c
> +++ b/drivers/hwmon/lm93.c
> @@ -202,7 +202,7 @@ struct lm93_data {
> /* client update function */
> void (*update)(struct lm93_data *, struct i2c_client *);
>
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
>
> /* register values, arranged by block read groups */
> struct block1_t block1;
> @@ -917,7 +917,7 @@ static struct lm93_data *lm93_update_device(struct device *dev)
>
> data->update(data, client);
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c
> index 00dbc170c8c6..8ea46ff20be5 100644
> --- a/drivers/hwmon/lm95241.c
> +++ b/drivers/hwmon/lm95241.c
> @@ -78,7 +78,7 @@ struct lm95241_data {
> struct mutex update_lock;
> unsigned long last_updated; /* in jiffies */
> unsigned long interval; /* in milli-seconds */
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> /* registers values */
> u8 temp[ARRAY_SIZE(lm95241_reg_address)];
> u8 status, config, model, trutherm;
> @@ -118,7 +118,7 @@ static struct lm95241_data *lm95241_update_device(struct device *dev)
> data->status = i2c_smbus_read_byte_data(client,
> LM95241_REG_R_STATUS);
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> @@ -257,7 +257,7 @@ static int lm95241_write_temp(struct device *dev, u32 attr, int channel,
> else
> data->config &= ~R2DF_MASK;
> }
> - data->valid = 0;
> + data->valid = false;
> ret = i2c_smbus_write_byte_data(client, LM95241_REG_RW_CONFIG,
> data->config);
> break;
> @@ -273,7 +273,7 @@ static int lm95241_write_temp(struct device *dev, u32 attr, int channel,
> else
> data->config &= ~R2DF_MASK;
> }
> - data->valid = 0;
> + data->valid = false;
> ret = i2c_smbus_write_byte_data(client, LM95241_REG_RW_CONFIG,
> data->config);
> break;
> diff --git a/drivers/hwmon/ltc4151.c b/drivers/hwmon/ltc4151.c
> index 13b85367a21f..e3ac004c1ed1 100644
> --- a/drivers/hwmon/ltc4151.c
> +++ b/drivers/hwmon/ltc4151.c
> @@ -77,7 +77,7 @@ static struct ltc4151_data *ltc4151_update_device(struct device *dev)
> data->regs[i] = val;
> }
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
> abort:
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c
> index 1d18c212054f..fa43d26ddd4f 100644
> --- a/drivers/hwmon/ltc4215.c
> +++ b/drivers/hwmon/ltc4215.c
> @@ -64,7 +64,7 @@ static struct ltc4215_data *ltc4215_update_device(struct device *dev)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/ltc4261.c b/drivers/hwmon/ltc4261.c
> index b81e9c3d297b..b91cc4fe84e5 100644
> --- a/drivers/hwmon/ltc4261.c
> +++ b/drivers/hwmon/ltc4261.c
> @@ -73,13 +73,13 @@ static struct ltc4261_data *ltc4261_update_device(struct device *dev)
> "Failed to read ADC value: error %d\n",
> val);
> ret = ERR_PTR(val);
> - data->valid = 0;
> + data->valid = false;
> goto abort;
> }
> data->regs[i] = val;
> }
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
> abort:
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c
> index ae3a6a7bdaa2..daa5d8af1e69 100644
> --- a/drivers/hwmon/max16065.c
> +++ b/drivers/hwmon/max16065.c
> @@ -166,7 +166,7 @@ static struct max16065_data *max16065_update_device(struct device *dev)
> = i2c_smbus_read_byte_data(client, MAX16065_FAULT(i));
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
> mutex_unlock(&data->update_lock);
> return data;
> diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
> index 8bd941cae4d1..eae9e68027bc 100644
> --- a/drivers/hwmon/max1619.c
> +++ b/drivers/hwmon/max1619.c
> @@ -79,7 +79,7 @@ enum temp_index {
> struct max1619_data {
> struct i2c_client *client;
> struct mutex update_lock;
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> unsigned long last_updated; /* in jiffies */
>
> /* registers values */
> @@ -124,7 +124,7 @@ static struct max1619_data *max1619_update_device(struct device *dev)
> data->alarms ^= 0x02;
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/max1668.c b/drivers/hwmon/max1668.c
> index 5c41c78f0458..78688e6cb87d 100644
> --- a/drivers/hwmon/max1668.c
> +++ b/drivers/hwmon/max1668.c
> @@ -58,7 +58,7 @@ struct max1668_data {
> enum chips type;
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> /* 1x local and 4x remote */
> @@ -120,7 +120,7 @@ static struct max1668_data *max1668_update_device(struct device *dev)
> data->alarms |= val;
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> abort:
> mutex_unlock(&data->update_lock);
>
> diff --git a/drivers/hwmon/max6639.c b/drivers/hwmon/max6639.c
> index b71899c641fa..ccc0f047bd44 100644
> --- a/drivers/hwmon/max6639.c
> +++ b/drivers/hwmon/max6639.c
> @@ -69,7 +69,7 @@ static const int rpm_ranges[] = { 2000, 4000, 8000, 16000 };
> struct max6639_data {
> struct i2c_client *client;
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> /* Register values sampled regularly */
> @@ -141,7 +141,7 @@ static struct max6639_data *max6639_update_device(struct device *dev)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
> abort:
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/max6642.c b/drivers/hwmon/max6642.c
> index 23d93142b0b3..699d265aae2e 100644
> --- a/drivers/hwmon/max6642.c
> +++ b/drivers/hwmon/max6642.c
> @@ -181,7 +181,7 @@ static struct max6642_data *max6642_update_device(struct device *dev)
> MAX6642_REG_R_STATUS);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
> index 6a9ba23cd302..0828436a1f6c 100644
> --- a/drivers/hwmon/pc87360.c
> +++ b/drivers/hwmon/pc87360.c
> @@ -178,7 +178,7 @@ struct pc87360_data {
> struct device *hwmon_dev;
> struct mutex lock;
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> int address[3];
> @@ -1673,7 +1673,7 @@ static struct pc87360_data *pc87360_update_device(struct device *dev)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/sch5636.c b/drivers/hwmon/sch5636.c
> index a5cd4de36575..39ff1c9b1df5 100644
> --- a/drivers/hwmon/sch5636.c
> +++ b/drivers/hwmon/sch5636.c
> @@ -56,7 +56,7 @@ struct sch5636_data {
> struct device *hwmon_dev;
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
> u8 in[SCH5636_NO_INS];
> u8 temp_val[SCH5636_NO_TEMPS];
> @@ -140,7 +140,7 @@ static struct sch5636_data *sch5636_update_device(struct device *dev)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> abort:
> mutex_unlock(&data->update_lock);
> return ret;
> diff --git a/drivers/hwmon/sht21.c b/drivers/hwmon/sht21.c
> index 7d18ce5d3839..e23dbf287233 100644
> --- a/drivers/hwmon/sht21.c
> +++ b/drivers/hwmon/sht21.c
> @@ -41,7 +41,7 @@ struct sht21 {
> unsigned long last_update;
> int temperature;
> int humidity;
> - char valid;
> + bool valid;
> char eic[18];
> };
>
> @@ -105,7 +105,7 @@ static int sht21_update_measurements(struct device *dev)
> goto out;
> sht21->humidity = sht21_rh_ticks_to_per_cent_mille(ret);
> sht21->last_update = jiffies;
> - sht21->valid = 1;
> + sht21->valid = true;
> }
> out:
> mutex_unlock(&sht21->lock);
> diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c
> index 0c6741f949f5..018cb5a7651f 100644
> --- a/drivers/hwmon/sis5595.c
> +++ b/drivers/hwmon/sis5595.c
> @@ -172,7 +172,7 @@ struct sis5595_data {
> struct mutex lock;
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
> char maxins; /* == 3 if temp enabled, otherwise == 4 */
> u8 revision; /* Reg. value */
> @@ -728,7 +728,7 @@ static struct sis5595_data *sis5595_update_device(struct device *dev)
> sis5595_read_value(data, SIS5595_REG_ALARM1) |
> (sis5595_read_value(data, SIS5595_REG_ALARM2) << 8);
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/smm665.c b/drivers/hwmon/smm665.c
> index 62906d9c4b86..8c4ed72e5d68 100644
> --- a/drivers/hwmon/smm665.c
> +++ b/drivers/hwmon/smm665.c
> @@ -265,7 +265,7 @@ static struct smm665_data *smm665_update_device(struct device *dev)
> data->adc[i] = val;
> }
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
> abort:
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c
> index f928b8d4ff48..c26d6eae0e4e 100644
> --- a/drivers/hwmon/smsc47b397.c
> +++ b/drivers/hwmon/smsc47b397.c
> @@ -96,7 +96,7 @@ struct smsc47b397_data {
>
> struct mutex update_lock;
> unsigned long last_updated; /* in jiffies */
> - int valid;
> + bool valid;
>
> /* register values */
> u16 fan[4];
> @@ -137,7 +137,7 @@ static struct smsc47b397_data *smsc47b397_update_device(struct device *dev)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
>
> dev_dbg(dev, "... device update complete\n");
> }
> diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c
> index 03a87aa2017a..a5db15c087ae 100644
> --- a/drivers/hwmon/smsc47m192.c
> +++ b/drivers/hwmon/smsc47m192.c
> @@ -86,7 +86,7 @@ struct smsc47m192_data {
> struct i2c_client *client;
> const struct attribute_group *groups[3];
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> u8 in[8]; /* Register value */
> @@ -157,7 +157,7 @@ static struct smsc47m192_data *smsc47m192_update_device(struct device *dev)
> SMSC47M192_REG_ALARM2) << 8);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/thmc50.c b/drivers/hwmon/thmc50.c
> index fde5e2d0825a..6a804f5036f4 100644
> --- a/drivers/hwmon/thmc50.c
> +++ b/drivers/hwmon/thmc50.c
> @@ -62,7 +62,7 @@ struct thmc50_data {
> enum chips type;
> unsigned long last_updated; /* In jiffies */
> char has_temp3; /* !=0 if it is ADM1022 in temp3 mode */
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
>
> /* Register values */
> s8 temp_input[3];
> @@ -107,7 +107,7 @@ static struct thmc50_data *thmc50_update_device(struct device *dev)
> data->alarms =
> i2c_smbus_read_byte_data(client, THMC50_REG_INTR);
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
> index 9dc210b55e69..88007416c210 100644
> --- a/drivers/hwmon/tmp401.c
> +++ b/drivers/hwmon/tmp401.c
> @@ -136,7 +136,7 @@ struct tmp401_data {
> struct i2c_client *client;
> const struct attribute_group *groups[3];
> struct mutex update_lock;
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> unsigned long last_updated; /* in jiffies */
> enum chips kind;
>
> @@ -267,7 +267,7 @@ static struct tmp401_data *tmp401_update_device(struct device *dev)
> data->temp_crit_hyst = val;
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> abort:
> @@ -413,7 +413,7 @@ static ssize_t reset_temp_history_store(struct device *dev,
> }
> mutex_lock(&data->update_lock);
> i2c_smbus_write_byte_data(client, TMP401_TEMP_MSB_WRITE[5][0], val);
> - data->valid = 0;
> + data->valid = false;
> mutex_unlock(&data->update_lock);
>
> return count;
> diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c
> index b963a369c5ab..9063d71fc11b 100644
> --- a/drivers/hwmon/tmp421.c
> +++ b/drivers/hwmon/tmp421.c
> @@ -93,7 +93,7 @@ struct tmp421_data {
> struct hwmon_channel_info temp_info;
> const struct hwmon_channel_info *info[2];
> struct hwmon_chip_info chip;
> - char valid;
> + bool valid;
> unsigned long last_updated;
> unsigned long channels;
> u8 config;
> @@ -140,14 +140,14 @@ static int tmp421_update_device(struct tmp421_data *data)
> data->temp[i] |= ret;
> }
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> exit:
> mutex_unlock(&data->update_lock);
>
> if (ret < 0) {
> - data->valid = 0;
> + data->valid = false;
> return ret;
> }
>
> diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c
> index a2eddd2c2538..55634110c2f9 100644
> --- a/drivers/hwmon/via686a.c
> +++ b/drivers/hwmon/via686a.c
> @@ -304,7 +304,7 @@ struct via686a_data {
> const char *name;
> struct device *hwmon_dev;
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> u8 in[5]; /* Register value */
> @@ -800,7 +800,7 @@ static struct via686a_data *via686a_update_device(struct device *dev)
> VIA686A_REG_ALARM1) |
> (via686a_read_value(data, VIA686A_REG_ALARM2) << 8);
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c
> index 2fbdc532aed4..4a5e911d26eb 100644
> --- a/drivers/hwmon/vt1211.c
> +++ b/drivers/hwmon/vt1211.c
> @@ -105,7 +105,7 @@ struct vt1211_data {
> struct device *hwmon_dev;
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> /* Register values */
> @@ -319,7 +319,7 @@ static struct vt1211_data *vt1211_update_device(struct device *dev)
> vt1211_read8(data, VT1211_REG_ALARM1);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c
> index 6603727e15a0..03275ac8ba72 100644
> --- a/drivers/hwmon/vt8231.c
> +++ b/drivers/hwmon/vt8231.c
> @@ -145,7 +145,7 @@ struct vt8231_data {
>
> struct mutex update_lock;
> struct device *hwmon_dev;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> u8 in[6]; /* Register value */
> @@ -929,7 +929,7 @@ static struct vt8231_data *vt8231_update_device(struct device *dev)
> data->alarms &= ~0x80;
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
> index 705a59663d42..af89b32a93a5 100644
> --- a/drivers/hwmon/w83627ehf.c
> +++ b/drivers/hwmon/w83627ehf.c
> @@ -320,7 +320,7 @@ struct w83627ehf_data {
> const u16 *scale_in;
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> /* Register values */
> @@ -688,7 +688,7 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
> W83627EHF_REG_CASEOPEN_DET);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> @@ -1099,7 +1099,7 @@ clear_caseopen(struct device *dev, struct w83627ehf_data *data, int channel,
> reg = w83627ehf_read_value(data, W83627EHF_REG_CASEOPEN_CLR);
> w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg | mask);
> w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg & ~mask);
> - data->valid = 0; /* Force cache refresh */
> + data->valid = false; /* Force cache refresh */
> mutex_unlock(&data->update_lock);
>
> return 0;
> @@ -2004,7 +2004,7 @@ static int __maybe_unused w83627ehf_resume(struct device *dev)
> w83627ehf_write_value(data, W83627EHF_REG_VBAT, data->vbat);
>
> /* Force re-reading all values */
> - data->valid = 0;
> + data->valid = false;
> mutex_unlock(&data->update_lock);
>
> return 0;
> diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
> index a07b97400cba..9be277156ed2 100644
> --- a/drivers/hwmon/w83627hf.c
> +++ b/drivers/hwmon/w83627hf.c
> @@ -355,7 +355,7 @@ struct w83627hf_data {
> enum chips type;
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> u8 in[9]; /* Register value */
> @@ -448,7 +448,7 @@ static int w83627hf_resume(struct device *dev)
> w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
>
> /* Force re-reading all values */
> - data->valid = 0;
> + data->valid = false;
> mutex_unlock(&data->update_lock);
>
> return 0;
> @@ -1905,7 +1905,7 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
> w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
> w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
> index ce8e2c10e854..b3579721265f 100644
> --- a/drivers/hwmon/w83781d.c
> +++ b/drivers/hwmon/w83781d.c
> @@ -203,7 +203,7 @@ struct w83781d_data {
> int isa_addr;
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> struct i2c_client *lm75[2]; /* for secondary I2C addresses */
> @@ -1554,7 +1554,7 @@ static struct w83781d_data *w83781d_update_device(struct device *dev)
> W83781D_REG_BEEP_INTS3) << 16;
> }
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
> index 37b25a1474c4..ca577cd2a1c9 100644
> --- a/drivers/hwmon/w83791d.c
> +++ b/drivers/hwmon/w83791d.c
> @@ -270,7 +270,7 @@ struct w83791d_data {
> struct device *hwmon_dev;
> struct mutex update_lock;
>
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> /* array of 2 pointers to subclients */
> @@ -1603,7 +1603,7 @@ static struct w83791d_data *w83791d_update_device(struct device *dev)
> << 4;
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c
> index abd5c3a722b9..4bfebdab1c60 100644
> --- a/drivers/hwmon/w83792d.c
> +++ b/drivers/hwmon/w83792d.c
> @@ -261,7 +261,7 @@ struct w83792d_data {
> struct device *hwmon_dev;
>
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
>
> /* array of 2 pointers to subclients */
> @@ -743,7 +743,7 @@ intrusion0_alarm_store(struct device *dev, struct device_attribute *attr,
> mutex_lock(&data->update_lock);
> reg = w83792d_read_value(client, W83792D_REG_CHASSIS_CLR);
> w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, reg | 0x80);
> - data->valid = 0; /* Force cache refresh */
> + data->valid = false; /* Force cache refresh */
> mutex_unlock(&data->update_lock);
>
> return count;
> @@ -1595,7 +1595,7 @@ static struct w83792d_data *w83792d_update_device(struct device *dev)
> }
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
> index e7d0484eabe4..81221702951a 100644
> --- a/drivers/hwmon/w83793.c
> +++ b/drivers/hwmon/w83793.c
> @@ -205,7 +205,7 @@ struct w83793_data {
> struct i2c_client *lm75[2];
> struct device *hwmon_dev;
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
> unsigned long last_nonvolatile; /* In jiffies, last time we update the
> * nonvolatile registers
> @@ -453,7 +453,7 @@ store_chassis_clear(struct device *dev,
> mutex_lock(&data->update_lock);
> reg = w83793_read_value(client, W83793_REG_CLR_CHASSIS);
> w83793_write_value(client, W83793_REG_CLR_CHASSIS, reg | 0x80);
> - data->valid = 0; /* Force cache refresh */
> + data->valid = false; /* Force cache refresh */
> mutex_unlock(&data->update_lock);
> return count;
> }
> @@ -2081,7 +2081,7 @@ static struct w83793_data *w83793_update_device(struct device *dev)
> data->vid[1] = w83793_read_value(client, W83793_REG_VID_INB);
> w83793_update_nonvolatile(dev);
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
>
> END:
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c
> index 621b05afa837..45b12c4287df 100644
> --- a/drivers/hwmon/w83795.c
> +++ b/drivers/hwmon/w83795.c
> @@ -379,7 +379,7 @@ struct w83795_data {
> u8 enable_beep;
> u8 beeps[6]; /* Register value */
>
> - char valid;
> + bool valid;
> char valid_limits;
> char valid_pwm_config;
> };
> @@ -684,7 +684,7 @@ static struct w83795_data *w83795_update_device(struct device *dev)
> tmp & ~ALARM_CTRL_RTSACS);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
>
> END:
> mutex_unlock(&data->update_lock);
> @@ -764,7 +764,7 @@ store_chassis_clear(struct device *dev,
>
> /* Clear status and force cache refresh */
> w83795_read(client, W83795_REG_ALARM(5));
> - data->valid = 0;
> + data->valid = false;
> mutex_unlock(&data->update_lock);
> return count;
> }
> diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c
> index 656a77102ca6..a41f989d66e2 100644
> --- a/drivers/hwmon/w83l785ts.c
> +++ b/drivers/hwmon/w83l785ts.c
> @@ -98,7 +98,7 @@ static struct i2c_driver w83l785ts_driver = {
> struct w83l785ts_data {
> struct device *hwmon_dev;
> struct mutex update_lock;
> - char valid; /* zero until following fields are valid */
> + bool valid; /* false until following fields are valid */
> unsigned long last_updated; /* in jiffies */
>
> /* registers values */
> @@ -270,7 +270,7 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
> W83L785TS_REG_TEMP_OVER, data->temp[1]);
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
> }
>
> mutex_unlock(&data->update_lock);
> diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c
> index 542afff1423b..11ba23c1af85 100644
> --- a/drivers/hwmon/w83l786ng.c
> +++ b/drivers/hwmon/w83l786ng.c
> @@ -113,7 +113,7 @@ DIV_TO_REG(long val)
> struct w83l786ng_data {
> struct i2c_client *client;
> struct mutex update_lock;
> - char valid; /* !=0 if following fields are valid */
> + bool valid; /* true if following fields are valid */
> unsigned long last_updated; /* In jiffies */
> unsigned long last_nonvolatile; /* In jiffies, last time we update the
> * nonvolatile registers */
> @@ -209,7 +209,7 @@ static struct w83l786ng_data *w83l786ng_update_device(struct device *dev)
> data->tolerance[1] = (reg_tmp >> 4) & 0x0f;
>
> data->last_updated = jiffies;
> - data->valid = 1;
> + data->valid = true;
>
> }
>
> --
> 2.17.1
>
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