aboutsummaryrefslogtreecommitdiff
path: root/drivers/acpi/processor_thermal.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/processor_thermal.c')
-rw-r--r--drivers/acpi/processor_thermal.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index b1eb376fae4..39838c66603 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -373,7 +373,8 @@ static int acpi_processor_max_state(struct acpi_processor *pr)
return max_state;
}
static int
-processor_get_max_state(struct thermal_cooling_device *cdev, char *buf)
+processor_get_max_state(struct thermal_cooling_device *cdev,
+ unsigned long *state)
{
struct acpi_device *device = cdev->devdata;
struct acpi_processor *pr = acpi_driver_data(device);
@@ -381,28 +382,29 @@ processor_get_max_state(struct thermal_cooling_device *cdev, char *buf)
if (!device || !pr)
return -EINVAL;
- return sprintf(buf, "%d\n", acpi_processor_max_state(pr));
+ *state = acpi_processor_max_state(pr);
+ return 0;
}
static int
-processor_get_cur_state(struct thermal_cooling_device *cdev, char *buf)
+processor_get_cur_state(struct thermal_cooling_device *cdev,
+ unsigned long *cur_state)
{
struct acpi_device *device = cdev->devdata;
struct acpi_processor *pr = acpi_driver_data(device);
- int cur_state;
if (!device || !pr)
return -EINVAL;
- cur_state = cpufreq_get_cur_state(pr->id);
+ *cur_state = cpufreq_get_cur_state(pr->id);
if (pr->flags.throttling)
- cur_state += pr->throttling.state;
-
- return sprintf(buf, "%d\n", cur_state);
+ *cur_state += pr->throttling.state;
+ return 0;
}
static int
-processor_set_cur_state(struct thermal_cooling_device *cdev, unsigned int state)
+processor_set_cur_state(struct thermal_cooling_device *cdev,
+ unsigned long state)
{
struct acpi_device *device = cdev->devdata;
struct acpi_processor *pr = acpi_driver_data(device);
@@ -507,7 +509,7 @@ static ssize_t acpi_processor_write_limit(struct file * file,
return count;
}
-struct file_operations acpi_processor_limit_fops = {
+const struct file_operations acpi_processor_limit_fops = {
.owner = THIS_MODULE,
.open = acpi_processor_limit_open_fs,
.read = seq_read,