diff options
Diffstat (limited to 'drivers/acpi/thermal.c')
-rw-r--r-- | drivers/acpi/thermal.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 589b98b7b216..73b6fe7093e9 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c | |||
@@ -86,9 +86,6 @@ static int acpi_thermal_resume(struct acpi_device *device); | |||
86 | static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file); | 86 | static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file); |
87 | static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file); | 87 | static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file); |
88 | static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file); | 88 | static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file); |
89 | static ssize_t acpi_thermal_write_trip_points(struct file *, | ||
90 | const char __user *, size_t, | ||
91 | loff_t *); | ||
92 | static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file); | 89 | static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file); |
93 | static ssize_t acpi_thermal_write_cooling_mode(struct file *, | 90 | static ssize_t acpi_thermal_write_cooling_mode(struct file *, |
94 | const char __user *, size_t, | 91 | const char __user *, size_t, |
@@ -193,7 +190,6 @@ static const struct file_operations acpi_thermal_temp_fops = { | |||
193 | static const struct file_operations acpi_thermal_trip_fops = { | 190 | static const struct file_operations acpi_thermal_trip_fops = { |
194 | .open = acpi_thermal_trip_open_fs, | 191 | .open = acpi_thermal_trip_open_fs, |
195 | .read = seq_read, | 192 | .read = seq_read, |
196 | .write = acpi_thermal_write_trip_points, | ||
197 | .llseek = seq_lseek, | 193 | .llseek = seq_lseek, |
198 | .release = single_release, | 194 | .release = single_release, |
199 | }; | 195 | }; |
@@ -889,67 +885,6 @@ static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file) | |||
889 | return single_open(file, acpi_thermal_trip_seq_show, PDE(inode)->data); | 885 | return single_open(file, acpi_thermal_trip_seq_show, PDE(inode)->data); |
890 | } | 886 | } |
891 | 887 | ||
892 | static ssize_t | ||
893 | acpi_thermal_write_trip_points(struct file *file, | ||
894 | const char __user * buffer, | ||
895 | size_t count, loff_t * ppos) | ||
896 | { | ||
897 | struct seq_file *m = file->private_data; | ||
898 | struct acpi_thermal *tz = m->private; | ||
899 | |||
900 | char *limit_string; | ||
901 | int num, critical, hot, passive; | ||
902 | int *active; | ||
903 | int i = 0; | ||
904 | |||
905 | |||
906 | limit_string = kzalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL); | ||
907 | if (!limit_string) | ||
908 | return -ENOMEM; | ||
909 | |||
910 | active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL); | ||
911 | if (!active) { | ||
912 | kfree(limit_string); | ||
913 | return -ENOMEM; | ||
914 | } | ||
915 | |||
916 | if (!tz || (count > ACPI_THERMAL_MAX_LIMIT_STR_LEN - 1)) { | ||
917 | count = -EINVAL; | ||
918 | goto end; | ||
919 | } | ||
920 | |||
921 | if (copy_from_user(limit_string, buffer, count)) { | ||
922 | count = -EFAULT; | ||
923 | goto end; | ||
924 | } | ||
925 | |||
926 | limit_string[count] = '\0'; | ||
927 | |||
928 | num = sscanf(limit_string, "%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", | ||
929 | &critical, &hot, &passive, | ||
930 | &active[0], &active[1], &active[2], &active[3], &active[4], | ||
931 | &active[5], &active[6], &active[7], &active[8], | ||
932 | &active[9]); | ||
933 | if (!(num >= 5 && num < (ACPI_THERMAL_MAX_ACTIVE + 3))) { | ||
934 | count = -EINVAL; | ||
935 | goto end; | ||
936 | } | ||
937 | |||
938 | tz->trips.critical.temperature = CELSIUS_TO_KELVIN(critical); | ||
939 | tz->trips.hot.temperature = CELSIUS_TO_KELVIN(hot); | ||
940 | tz->trips.passive.temperature = CELSIUS_TO_KELVIN(passive); | ||
941 | for (i = 0; i < num - 3; i++) { | ||
942 | if (!(tz->trips.active[i].flags.valid)) | ||
943 | break; | ||
944 | tz->trips.active[i].temperature = CELSIUS_TO_KELVIN(active[i]); | ||
945 | } | ||
946 | |||
947 | end: | ||
948 | kfree(active); | ||
949 | kfree(limit_string); | ||
950 | return count; | ||
951 | } | ||
952 | |||
953 | static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset) | 888 | static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset) |
954 | { | 889 | { |
955 | struct acpi_thermal *tz = seq->private; | 890 | struct acpi_thermal *tz = seq->private; |