[PATCH 23/30] hwmon: (dell-smm-hwmon) Use permission specific SENSOR[_DEVICE]_ATTR variants

Guenter Roeck
2018-12-10T22:09:25Z

Cc: "Pali Rohár" <pali.rohar@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
drivers/hwmon/dell-smm-hwmon.c | 68 +++++++++++++++++-------------------------
1 file changed, 27 insertions(+), 41 deletions(-)

diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index 367a8a61712c..68c9a6664557 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -618,7 +618,7 @@ static inline void __exit i8k_exit_procfs(void)
* Hwmon interface
*/

-static ssize_t i8k_hwmon_show_temp_label(struct device *dev,
+static ssize_t i8k_hwmon_temp_label_show(struct device *dev,
struct device_attribute *devattr,
char *buf)
{
@@ -641,7 +641,7 @@ static ssize_t i8k_hwmon_show_temp_label(struct device *dev,
return sprintf(buf, "%s\n", labels[type]);
}

-static ssize_t i8k_hwmon_show_temp(struct device *dev,
+static ssize_t i8k_hwmon_temp_show(struct device *dev,
struct device_attribute *devattr,
char *buf)
{
@@ -654,7 +654,7 @@ static ssize_t i8k_hwmon_show_temp(struct device *dev,
return sprintf(buf, "%d\n", temp * 1000);
}

-static ssize_t i8k_hwmon_show_fan_label(struct device *dev,
+static ssize_t i8k_hwmon_fan_label_show(struct device *dev,
struct device_attribute *devattr,
char *buf)
{
@@ -685,9 +685,8 @@ static ssize_t i8k_hwmon_show_fan_label(struct device *dev,
return sprintf(buf, "%s%s\n", (dock ? "Docking " : ""), labels[type]);
}

-static ssize_t i8k_hwmon_show_fan(struct device *dev,
- struct device_attribute *devattr,
- char *buf)
+static ssize_t i8k_hwmon_fan_show(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
int index = to_sensor_dev_attr(devattr)->index;
int fan_speed;
@@ -698,9 +697,8 @@ static ssize_t i8k_hwmon_show_fan(struct device *dev,
return sprintf(buf, "%d\n", fan_speed);
}

-static ssize_t i8k_hwmon_show_pwm(struct device *dev,
- struct device_attribute *devattr,
- char *buf)
+static ssize_t i8k_hwmon_pwm_show(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
int index = to_sensor_dev_attr(devattr)->index;
int status;
@@ -711,9 +709,9 @@ static ssize_t i8k_hwmon_show_pwm(struct device *dev,
return sprintf(buf, "%d\n", clamp_val(status * i8k_pwm_mult, 0, 255));
}

-static ssize_t i8k_hwmon_set_pwm(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t i8k_hwmon_pwm_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
int index = to_sensor_dev_attr(attr)->index;
unsigned long val;
@@ -731,35 +729,23 @@ static ssize_t i8k_hwmon_set_pwm(struct device *dev,
return err < 0 ? -EIO : count;
}

-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 0);
-static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
- 0);
-static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 1);
-static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
- 1);
-static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 2);
-static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
- 2);
-static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 3);
-static SENSOR_DEVICE_ATTR(temp4_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
- 3);
-static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, i8k_hwmon_show_fan, NULL, 0);
-static SENSOR_DEVICE_ATTR(fan1_label, S_IRUGO, i8k_hwmon_show_fan_label, NULL,
- 0);
-static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, i8k_hwmon_show_pwm,
- i8k_hwmon_set_pwm, 0);
-static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, i8k_hwmon_show_fan, NULL,
- 1);
-static SENSOR_DEVICE_ATTR(fan2_label, S_IRUGO, i8k_hwmon_show_fan_label, NULL,
- 1);
-static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, i8k_hwmon_show_pwm,
- i8k_hwmon_set_pwm, 1);
-static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, i8k_hwmon_show_fan, NULL,
- 2);
-static SENSOR_DEVICE_ATTR(fan3_label, S_IRUGO, i8k_hwmon_show_fan_label, NULL,
- 2);
-static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, i8k_hwmon_show_pwm,
- i8k_hwmon_set_pwm, 2);
+static SENSOR_DEVICE_ATTR_RO(temp1_input, i8k_hwmon_temp, 0);
+static SENSOR_DEVICE_ATTR_RO(temp1_label, i8k_hwmon_temp_label, 0);
+static SENSOR_DEVICE_ATTR_RO(temp2_input, i8k_hwmon_temp, 1);
+static SENSOR_DEVICE_ATTR_RO(temp2_label, i8k_hwmon_temp_label, 1);
+static SENSOR_DEVICE_ATTR_RO(temp3_input, i8k_hwmon_temp, 2);
+static SENSOR_DEVICE_ATTR_RO(temp3_label, i8k_hwmon_temp_label, 2);
+static SENSOR_DEVICE_ATTR_RO(temp4_input, i8k_hwmon_temp, 3);
+static SENSOR_DEVICE_ATTR_RO(temp4_label, i8k_hwmon_temp_label, 3);
+static SENSOR_DEVICE_ATTR_RO(fan1_input, i8k_hwmon_fan, 0);
+static SENSOR_DEVICE_ATTR_RO(fan1_label, i8k_hwmon_fan_label, 0);
+static SENSOR_DEVICE_ATTR_RW(pwm1, i8k_hwmon_pwm, 0);
+static SENSOR_DEVICE_ATTR_RO(fan2_input, i8k_hwmon_fan, 1);
+static SENSOR_DEVICE_ATTR_RO(fan2_label, i8k_hwmon_fan_label, 1);
+static SENSOR_DEVICE_ATTR_RW(pwm2, i8k_hwmon_pwm, 1);
+static SENSOR_DEVICE_ATTR_RO(fan3_input, i8k_hwmon_fan, 2);
+static SENSOR_DEVICE_ATTR_RO(fan3_label, i8k_hwmon_fan_label, 2);
+static SENSOR_DEVICE_ATTR_RW(pwm3, i8k_hwmon_pwm, 2);

static struct attribute *i8k_attrs[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr, /* 0 */
--
2.7.4