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| author | Andrew Morton <akpm@linux-foundation.org> | 2008-10-17 17:51:16 +0200 |
|---|---|---|
| committer | Jean Delvare <khali@mahadeva.delvare> | 2008-10-17 17:51:16 +0200 |
| commit | a80e8ee66793ec2e7ce27fd0495a7b9c8e0a2a24 (patch) | |
| tree | 49613f960b31f84ed56656367f1758c9cc07ee7f /drivers/hwmon | |
| parent | hwmon: (it87) Fix thermal sensor type values (diff) | |
| download | linux-a80e8ee66793ec2e7ce27fd0495a7b9c8e0a2a24.tar.xz linux-a80e8ee66793ec2e7ce27fd0495a7b9c8e0a2a24.zip | |
hwmon: (max1619) Use inline functions instead of macros
Macros evaluating their arguments more than once are evil.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/max1619.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c index 1ab1cacad598..7897754f3a5c 100644 --- a/drivers/hwmon/max1619.c +++ b/drivers/hwmon/max1619.c @@ -69,11 +69,18 @@ I2C_CLIENT_INSMOD_1(max1619); #define MAX1619_REG_W_TCRIT_HYST 0x13 /* - * Conversions and various macros + * Conversions */ -#define TEMP_FROM_REG(val) ((val & 0x80 ? val-0x100 : val) * 1000) -#define TEMP_TO_REG(val) ((val < 0 ? val+0x100*1000 : val) / 1000) +static int temp_from_reg(int val) +{ + return (val & 0x80 ? val-0x100 : val) * 1000; +} + +static int temp_to_reg(int val) +{ + return (val < 0 ? val+0x100*1000 : val) / 1000; +} /* * Functions declaration @@ -135,7 +142,7 @@ struct max1619_data { static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct max1619_data *data = max1619_update_device(dev); \ - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \ + return sprintf(buf, "%d\n", temp_from_reg(data->value)); \ } show_temp(temp_input1); show_temp(temp_input2); @@ -153,7 +160,7 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co long val = simple_strtol(buf, NULL, 10); \ \ mutex_lock(&data->update_lock); \ - data->value = TEMP_TO_REG(val); \ + data->value = temp_to_reg(val); \ i2c_smbus_write_byte_data(client, reg, data->value); \ mutex_unlock(&data->update_lock); \ return count; \ |