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authorJean Delvare <khali@linux-fr.org>2007-05-08 17:22:03 +0200
committerJean Delvare <khali@hyperion.delvare>2007-05-08 17:22:03 +0200
commit3659a0178f76d13174e8924416e5d6805ea9bad1 (patch)
tree81fedec29e62a0d058c7d1ebc51b0220f31c318d /drivers/hwmon
parenthwmon/smsc47b397: Convert to a platform driver (diff)
downloadlinux-3659a0178f76d13174e8924416e5d6805ea9bad1.tar.xz
linux-3659a0178f76d13174e8924416e5d6805ea9bad1.zip
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 <khali@linux-fr.org>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/smsc47b397.c64
1 files changed, 26 insertions, 38 deletions
diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c
index 09df56118e18..943abbd95ab5 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