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Message-ID: <20071026185511.GB7333@tree.beaverton.ibm.com>
Date: Fri, 26 Oct 2007 11:55:11 -0700
From: "Darrick J. Wong" <djwong@...ibm.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: mhoffman@...htlink.com,
linux-kernel <linux-kernel@...r.kernel.org>,
lm-sensors <lm-sensors@...sensors.org>
Subject: [PATCH] i5k_amb: Convert macros to C functions
akpm objected to some of the macros, so convert them into functions.
Signed-off-by: Darrick J. Wong <djwong@...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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