diff options
| author | Slawomir Stepien <slawomir.stepien@nokia.com> | 2022-05-25 09:36:55 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2022-07-13 08:38:20 -0700 |
| commit | 27f0438972fc045a575d4f95458415e62c1d24e5 (patch) | |
| tree | bcabf65f4f228ab4271717a4bd49d6ed2daa915c /drivers/hwmon/lm90.c | |
| parent | b9e7dfdedbc5309eb516fb11cef4a67543f20fc2 (diff) | |
hwmon: (lm90) Define maximum number of channels that are supported
Use this define in all the places where literal '3' was used in this
context.
Signed-off-by: Slawomir Stepien <slawomir.stepien@nokia.com>
Link: https://lore.kernel.org/r/20220525073657.573327-6-sst@poczta.fm
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/lm90.c')
| -rw-r--r-- | drivers/hwmon/lm90.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index 85d35ccb7c44..fd887a748fd4 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -110,6 +110,9 @@ #include <linux/slab.h> #include <linux/workqueue.h> +/* The maximum number of channels currently supported */ +#define MAX_CHANNELS 3 + /* * Addresses to scan * Address is fully defined internally and cannot be changed except for @@ -681,7 +684,7 @@ struct lm90_data { struct i2c_client *client; struct device *hwmon_dev; u32 chip_config[2]; - u32 channel_config[4]; + u32 channel_config[MAX_CHANNELS + 1]; struct hwmon_channel_info chip_info; struct hwmon_channel_info temp_info; const struct hwmon_channel_info *info[3]; @@ -1424,32 +1427,32 @@ static int lm90_set_temphyst(struct lm90_data *data, long val) return lm90_write_reg(data->client, LM90_REG_TCRIT_HYST, data->temp_hyst); } -static const u8 lm90_temp_index[3] = { +static const u8 lm90_temp_index[MAX_CHANNELS] = { LOCAL_TEMP, REMOTE_TEMP, REMOTE2_TEMP }; -static const u8 lm90_temp_min_index[3] = { +static const u8 lm90_temp_min_index[MAX_CHANNELS] = { LOCAL_LOW, REMOTE_LOW, REMOTE2_LOW }; -static const u8 lm90_temp_max_index[3] = { +static const u8 lm90_temp_max_index[MAX_CHANNELS] = { LOCAL_HIGH, REMOTE_HIGH, REMOTE2_HIGH }; -static const u8 lm90_temp_crit_index[3] = { +static const u8 lm90_temp_crit_index[MAX_CHANNELS] = { LOCAL_CRIT, REMOTE_CRIT, REMOTE2_CRIT }; -static const u8 lm90_temp_emerg_index[3] = { +static const u8 lm90_temp_emerg_index[MAX_CHANNELS] = { LOCAL_EMERG, REMOTE_EMERG, REMOTE2_EMERG }; -static const u16 lm90_min_alarm_bits[3] = { BIT(5), BIT(3), BIT(11) }; -static const u16 lm90_max_alarm_bits[3] = { BIT(6), BIT(4), BIT(12) }; -static const u16 lm90_crit_alarm_bits[3] = { BIT(0), BIT(1), BIT(9) }; -static const u16 lm90_crit_alarm_bits_swapped[3] = { BIT(1), BIT(0), BIT(9) }; -static const u16 lm90_emergency_alarm_bits[3] = { BIT(15), BIT(13), BIT(14) }; -static const u16 lm90_fault_bits[3] = { BIT(0), BIT(2), BIT(10) }; +static const u16 lm90_min_alarm_bits[MAX_CHANNELS] = { BIT(5), BIT(3), BIT(11) }; +static const u16 lm90_max_alarm_bits[MAX_CHANNELS] = { BIT(6), BIT(4), BIT(12) }; +static const u16 lm90_crit_alarm_bits[MAX_CHANNELS] = { BIT(0), BIT(1), BIT(9) }; +static const u16 lm90_crit_alarm_bits_swapped[MAX_CHANNELS] = { BIT(1), BIT(0), BIT(9) }; +static const u16 lm90_emergency_alarm_bits[MAX_CHANNELS] = { BIT(15), BIT(13), BIT(14) }; +static const u16 lm90_fault_bits[MAX_CHANNELS] = { BIT(0), BIT(2), BIT(10) }; static int lm90_temp_read(struct device *dev, u32 attr, int channel, long *val) { |