Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3659a0178f76d13174e8924416e5d6805ea9bad1
Commit:     3659a0178f76d13174e8924416e5d6805ea9bad1
Parent:     292fc1a5ff44d477ff335a343a48d2b67bbc70e3
Author:     Jean Delvare <[EMAIL PROTECTED]>
AuthorDate: Tue May 8 17:22:03 2007 +0200
Committer:  Jean Delvare <[EMAIL PROTECTED]>
CommitDate: Tue May 8 17:22:03 2007 +0200

    hwmon/smsc47b397: Use dynamic sysfs callbacks
    
    This lets us get rid of macro-generated functions and shrinks the
    driver size by a small amount.
    
    Signed-off-by: Jean Delvare <[EMAIL PROTECTED]>
---
 drivers/hwmon/smsc47b397.c |   64 ++++++++++++++++++--------------------------
 1 files changed, 26 insertions(+), 38 deletions(-)

diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c
index 09df561..943abbd 100644
--- a/drivers/hwmon/smsc47b397.c
+++ b/drivers/hwmon/smsc47b397.c
@@ -32,6 +32,7 @@
 #include <linux/jiffies.h>
 #include <linux/platform_device.h>
 #include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/mutex.h>
@@ -156,24 +157,18 @@ static int temp_from_reg(u8 reg)
        return (s8)reg * 1000;
 }
 
-/* 0 <= nr <= 3 */
-static ssize_t show_temp(struct device *dev, char *buf, int nr)
+static ssize_t show_temp(struct device *dev, struct device_attribute
+                        *devattr, char *buf)
 {
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct smsc47b397_data *data = smsc47b397_update_device(dev);
-       return sprintf(buf, "%d\n", temp_from_reg(data->temp[nr]));
+       return sprintf(buf, "%d\n", temp_from_reg(data->temp[attr->index]));
 }
 
-#define sysfs_temp(num) \
-static ssize_t show_temp##num(struct device *dev, struct device_attribute 
*attr, char *buf) \
-{ \
-       return show_temp(dev, buf, num-1); \
-} \
-static DEVICE_ATTR(temp##num##_input, S_IRUGO, show_temp##num, NULL)
-
-sysfs_temp(1);
-sysfs_temp(2);
-sysfs_temp(3);
-sysfs_temp(4);
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3);
 
 /* FAN: 1 RPM/bit
    REG: count of 90kHz pulses / revolution */
@@ -182,24 +177,17 @@ static int fan_from_reg(u16 reg)
        return 90000 * 60 / reg;
 }
 
-/* 0 <= nr <= 3 */
-static ssize_t show_fan(struct device *dev, char *buf, int nr)
+static ssize_t show_fan(struct device *dev, struct device_attribute
+                       *devattr, char *buf)
 {
-        struct smsc47b397_data *data = smsc47b397_update_device(dev);
-        return sprintf(buf, "%d\n", fan_from_reg(data->fan[nr]));
+       struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+       struct smsc47b397_data *data = smsc47b397_update_device(dev);
+       return sprintf(buf, "%d\n", fan_from_reg(data->fan[attr->index]));
 }
-
-#define sysfs_fan(num) \
-static ssize_t show_fan##num(struct device *dev, struct device_attribute 
*attr, char *buf) \
-{ \
-       return show_fan(dev, buf, num-1); \
-} \
-static DEVICE_ATTR(fan##num##_input, S_IRUGO, show_fan##num, NULL)
-
-sysfs_fan(1);
-sysfs_fan(2);
-sysfs_fan(3);
-sysfs_fan(4);
+static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
+static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
+static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);
+static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3);
 
 static ssize_t show_name(struct device *dev, struct device_attribute
                         *devattr, char *buf)
@@ -210,14 +198,14 @@ static ssize_t show_name(struct device *dev, struct 
device_attribute
 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
 
 static struct attribute *smsc47b397_attributes[] = {
-       &dev_attr_temp1_input.attr,
-       &dev_attr_temp2_input.attr,
-       &dev_attr_temp3_input.attr,
-       &dev_attr_temp4_input.attr,
-       &dev_attr_fan1_input.attr,
-       &dev_attr_fan2_input.attr,
-       &dev_attr_fan3_input.attr,
-       &dev_attr_fan4_input.attr,
+       &sensor_dev_attr_temp1_input.dev_attr.attr,
+       &sensor_dev_attr_temp2_input.dev_attr.attr,
+       &sensor_dev_attr_temp3_input.dev_attr.attr,
+       &sensor_dev_attr_temp4_input.dev_attr.attr,
+       &sensor_dev_attr_fan1_input.dev_attr.attr,
+       &sensor_dev_attr_fan2_input.dev_attr.attr,
+       &sensor_dev_attr_fan3_input.dev_attr.attr,
+       &sensor_dev_attr_fan4_input.dev_attr.attr,
 
        &dev_attr_name.attr,
        NULL
-
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