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authorAndrew Morton <akpm@linux-foundation.org>2008-10-17 17:51:16 +0200
committerJean Delvare <khali@mahadeva.delvare>2008-10-17 17:51:16 +0200
commita80e8ee66793ec2e7ce27fd0495a7b9c8e0a2a24 (patch)
tree49613f960b31f84ed56656367f1758c9cc07ee7f
parent4ed1077953f531b3fef4af4b4ade48a828c48869 (diff)
downloadlinux-linaro-stable-a80e8ee66793ec2e7ce27fd0495a7b9c8e0a2a24.tar.gz
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>
-rw-r--r--drivers/hwmon/max1619.c17
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; \