From: Slawomir Stepien <slawomir.stepien@xxxxxxxxx> Use this define in all the places where literal '3' was used in this context. Signed-off-by: Slawomir Stepien <slawomir.stepien@xxxxxxxxx> --- drivers/hwmon/lm90.c | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index 00fd5734f217..f642c6fd1641 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -93,6 +93,9 @@ #include <linux/interrupt.h> #include <linux/regulator/consumer.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 @@ -521,9 +524,9 @@ enum lm90_temp11_reg_index { struct lm90_data { struct i2c_client *client; struct device *hwmon_dev; - u32 channel_config[4]; + u32 channel_config[MAX_CHANNELS + 1]; struct hwmon_channel_info temp_info; - const struct hwmon_channel_info *info[3]; + const struct hwmon_channel_info *info[MAX_CHANNELS]; struct hwmon_chip_info chip; struct mutex update_lock; bool valid; /* true if register values are valid */ @@ -1223,32 +1226,32 @@ static int lm90_set_temphyst(struct lm90_data *data, long val) return err; } -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 u8 lm90_min_alarm_bits[3] = { 5, 3, 11 }; -static const u8 lm90_max_alarm_bits[3] = { 6, 4, 12 }; -static const u8 lm90_crit_alarm_bits[3] = { 0, 1, 9 }; -static const u8 lm90_crit_alarm_bits_swapped[3] = { 1, 0, 9 }; -static const u8 lm90_emergency_alarm_bits[3] = { 15, 13, 14 }; -static const u8 lm90_fault_bits[3] = { 0, 2, 10 }; +static const u8 lm90_min_alarm_bits[MAX_CHANNELS] = { 5, 3, 11 }; +static const u8 lm90_max_alarm_bits[MAX_CHANNELS] = { 6, 4, 12 }; +static const u8 lm90_crit_alarm_bits[MAX_CHANNELS] = { 0, 1, 9 }; +static const u8 lm90_crit_alarm_bits_swapped[MAX_CHANNELS] = { 1, 0, 9 }; +static const u8 lm90_emergency_alarm_bits[MAX_CHANNELS] = { 15, 13, 14 }; +static const u8 lm90_fault_bits[MAX_CHANNELS] = { 0, 2, 10 }; static int lm90_temp_read(struct device *dev, u32 attr, int channel, long *val) { -- 2.36.1