[lm-sensors] [PATCH] i5k_amb: Convert macros to C functions

Darrick J. Wong djwong at us.ibm.com
Fri Oct 26 20:55:11 CEST 2007


akpm objected to some of the macros, so convert them into functions.

Signed-off-by: Darrick J. Wong <djwong at us.ibm.com>
---

 drivers/hwmon/i5k_amb.c |   65 +++++++++++++++++++++++++++++++----------------
 1 files changed, 43 insertions(+), 22 deletions(-)

diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c
index 7fdbe81..6ac5c6f 100644
--- a/drivers/hwmon/i5k_amb.c
+++ b/drivers/hwmon/i5k_amb.c
@@ -47,16 +47,35 @@
 #define AMB_CONFIG_SIZE			2048
 #define AMB_FUNC_3_OFFSET		768
 
-#define AMB_REG_TEMP_STATUS(amb)	((amb) * AMB_CONFIG_SIZE + \
-			AMB_FUNC_3_OFFSET + AMB_REG_TEMP_STATUS_ADDR)
-#define AMB_REG_TEMP_MIN(amb)		((amb) * AMB_CONFIG_SIZE + \
-			AMB_FUNC_3_OFFSET + AMB_REG_TEMP_MIN_ADDR)
-#define AMB_REG_TEMP_MID(amb)		((amb) * AMB_CONFIG_SIZE + \
-			AMB_FUNC_3_OFFSET + AMB_REG_TEMP_MID_ADDR)
-#define AMB_REG_TEMP_MAX(amb)		((amb) * AMB_CONFIG_SIZE + \
-			AMB_FUNC_3_OFFSET + AMB_REG_TEMP_MAX_ADDR)
-#define AMB_REG_TEMP(amb)		((amb) * AMB_CONFIG_SIZE + \
-			AMB_FUNC_3_OFFSET + AMB_REG_TEMP_ADDR)
+static unsigned long amb_reg_temp_status(unsigned int amb)
+{
+	return AMB_FUNC_3_OFFSET + AMB_REG_TEMP_STATUS_ADDR +
+	       AMB_CONFIG_SIZE * amb;
+}
+
+static unsigned long amb_reg_temp_min(unsigned int amb)
+{
+	return AMB_FUNC_3_OFFSET + AMB_REG_TEMP_MIN_ADDR +
+	       AMB_CONFIG_SIZE * amb;
+}
+
+static unsigned long amb_reg_temp_mid(unsigned int amb)
+{
+	return AMB_FUNC_3_OFFSET + AMB_REG_TEMP_MID_ADDR +
+	       AMB_CONFIG_SIZE * amb;
+}
+
+static unsigned long amb_reg_temp_max(unsigned int amb)
+{
+	return AMB_FUNC_3_OFFSET + AMB_REG_TEMP_MAX_ADDR +
+	       AMB_CONFIG_SIZE * amb;
+}
+
+static unsigned long amb_reg_temp(unsigned int amb)
+{
+	return AMB_FUNC_3_OFFSET + AMB_REG_TEMP_ADDR +
+	       AMB_CONFIG_SIZE * amb;
+}
 
 #define MAX_MEM_CHANNELS		4
 #define MAX_AMBS_PER_CHANNEL		16
@@ -72,8 +91,10 @@
 #define REAL_MAX_AMBS_PER_CHANNEL	15
 #define KNOBS_PER_AMB			5
 
-#define AMB_NUM_FROM_REG(byte_num, bit_num)	((byte_num) * \
-			MAX_AMBS_PER_CHANNEL) + (bit_num)
+static unsigned long amb_num_from_reg(unsigned int byte_num, unsigned int bit)
+{
+	return byte_num * MAX_AMBS_PER_CHANNEL + bit;
+}
 
 #define AMB_SYSFS_NAME_LEN		16
 struct i5k_device_attribute {
@@ -121,8 +142,8 @@ static ssize_t show_amb_alarm(struct device *dev,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i5k_amb_data *data = dev_get_drvdata(dev);
 
-	if (!(amb_read_byte(data, AMB_REG_TEMP_STATUS(attr->index)) & 0x20) &&
-	     (amb_read_byte(data, AMB_REG_TEMP_STATUS(attr->index)) & 0x8))
+	if (!(amb_read_byte(data, amb_reg_temp_status(attr->index)) & 0x20) &&
+	     (amb_read_byte(data, amb_reg_temp_status(attr->index)) & 0x8))
 		return sprintf(buf, "1\n");
 	else
 		return sprintf(buf, "0\n");
@@ -140,7 +161,7 @@ static ssize_t store_amb_min(struct device *dev,
 	if (temp > 255)
 		temp = 255;
 
-	amb_write_byte(data, AMB_REG_TEMP_MIN(attr->index), temp);
+	amb_write_byte(data, amb_reg_temp_min(attr->index), temp);
 	return count;
 }
 
@@ -156,7 +177,7 @@ static ssize_t store_amb_mid(struct device *dev,
 	if (temp > 255)
 		temp = 255;
 
-	amb_write_byte(data, AMB_REG_TEMP_MID(attr->index), temp);
+	amb_write_byte(data, amb_reg_temp_mid(attr->index), temp);
 	return count;
 }
 
@@ -172,7 +193,7 @@ static ssize_t store_amb_max(struct device *dev,
 	if (temp > 255)
 		temp = 255;
 
-	amb_write_byte(data, AMB_REG_TEMP_MAX(attr->index), temp);
+	amb_write_byte(data, amb_reg_temp_max(attr->index), temp);
 	return count;
 }
 
@@ -183,7 +204,7 @@ static ssize_t show_amb_min(struct device *dev,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i5k_amb_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%d\n",
-		500 * amb_read_byte(data, AMB_REG_TEMP_MIN(attr->index)));
+		500 * amb_read_byte(data, amb_reg_temp_min(attr->index)));
 }
 
 static ssize_t show_amb_mid(struct device *dev,
@@ -193,7 +214,7 @@ static ssize_t show_amb_mid(struct device *dev,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i5k_amb_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%d\n",
-		500 * amb_read_byte(data, AMB_REG_TEMP_MID(attr->index)));
+		500 * amb_read_byte(data, amb_reg_temp_mid(attr->index)));
 }
 
 static ssize_t show_amb_max(struct device *dev,
@@ -203,7 +224,7 @@ static ssize_t show_amb_max(struct device *dev,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i5k_amb_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%d\n",
-		500 * amb_read_byte(data, AMB_REG_TEMP_MAX(attr->index)));
+		500 * amb_read_byte(data, amb_reg_temp_max(attr->index)));
 }
 
 static ssize_t show_amb_temp(struct device *dev,
@@ -213,7 +234,7 @@ static ssize_t show_amb_temp(struct device *dev,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i5k_amb_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%d\n",
-		500 * amb_read_byte(data, AMB_REG_TEMP(attr->index)));
+		500 * amb_read_byte(data, amb_reg_temp(attr->index)));
 }
 
 static int __devinit i5k_amb_hwmon_init(struct platform_device *pdev)
@@ -241,7 +262,7 @@ static int __devinit i5k_amb_hwmon_init(struct platform_device *pdev)
 		for (j = 0; j < REAL_MAX_AMBS_PER_CHANNEL; j++, c >>= 1) {
 			struct i5k_device_attribute *iattr;
 
-			k = AMB_NUM_FROM_REG(i, j);
+			k = amb_num_from_reg(i, j);
 			if (!(c & 0x1))
 				continue;
 			d++;




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