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-rw-r--r--drivers/acpi/thermal.c39
1 files changed, 2 insertions, 37 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 73b6fe7093e9..1ada017d01ef 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -59,8 +59,6 @@
59#define ACPI_THERMAL_NOTIFY_CRITICAL 0xF0 59#define ACPI_THERMAL_NOTIFY_CRITICAL 0xF0
60#define ACPI_THERMAL_NOTIFY_HOT 0xF1 60#define ACPI_THERMAL_NOTIFY_HOT 0xF1
61#define ACPI_THERMAL_MODE_ACTIVE 0x00 61#define ACPI_THERMAL_MODE_ACTIVE 0x00
62#define ACPI_THERMAL_MODE_PASSIVE 0x01
63#define ACPI_THERMAL_MODE_CRITICAL 0xff
64#define ACPI_THERMAL_PATH_POWEROFF "/sbin/poweroff" 62#define ACPI_THERMAL_PATH_POWEROFF "/sbin/poweroff"
65 63
66#define ACPI_THERMAL_MAX_ACTIVE 10 64#define ACPI_THERMAL_MAX_ACTIVE 10
@@ -164,7 +162,6 @@ struct acpi_thermal {
164 unsigned long temperature; 162 unsigned long temperature;
165 unsigned long last_temperature; 163 unsigned long last_temperature;
166 unsigned long polling_frequency; 164 unsigned long polling_frequency;
167 u8 cooling_mode;
168 volatile u8 zombie; 165 volatile u8 zombie;
169 struct acpi_thermal_flags flags; 166 struct acpi_thermal_flags flags;
170 struct acpi_thermal_state state; 167 struct acpi_thermal_state state;
@@ -293,11 +290,6 @@ static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode)
293 if (ACPI_FAILURE(status)) 290 if (ACPI_FAILURE(status))
294 return -ENODEV; 291 return -ENODEV;
295 292
296 tz->cooling_mode = mode;
297
298 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling mode [%s]\n",
299 mode ? "passive" : "active"));
300
301 return 0; 293 return 0;
302} 294}
303 295
@@ -893,15 +885,10 @@ static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset)
893 if (!tz) 885 if (!tz)
894 goto end; 886 goto end;
895 887
896 if (!tz->flags.cooling_mode) { 888 if (!tz->flags.cooling_mode)
897 seq_puts(seq, "<setting not supported>\n"); 889 seq_puts(seq, "<setting not supported>\n");
898 }
899
900 if (tz->cooling_mode == ACPI_THERMAL_MODE_CRITICAL)
901 seq_printf(seq, "cooling mode: critical\n");
902 else 890 else
903 seq_printf(seq, "cooling mode: %s\n", 891 seq_puts(seq, "0 - Active; 1 - Passive\n");
904 tz->cooling_mode ? "passive" : "active");
905 892
906 end: 893 end:
907 return 0; 894 return 0;
@@ -1158,28 +1145,6 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz)
1158 result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE); 1145 result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);
1159 if (!result) 1146 if (!result)
1160 tz->flags.cooling_mode = 1; 1147 tz->flags.cooling_mode = 1;
1161 else {
1162 /* Oh,we have not _SCP method.
1163 Generally show cooling_mode by _ACx, _PSV,spec 12.2 */
1164 tz->flags.cooling_mode = 0;
1165 if (tz->trips.active[0].flags.valid
1166 && tz->trips.passive.flags.valid) {
1167 if (tz->trips.passive.temperature >
1168 tz->trips.active[0].temperature)
1169 tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE;
1170 else
1171 tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE;
1172 } else if (!tz->trips.active[0].flags.valid
1173 && tz->trips.passive.flags.valid) {
1174 tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE;
1175 } else if (tz->trips.active[0].flags.valid
1176 && !tz->trips.passive.flags.valid) {
1177 tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE;
1178 } else {
1179 /* _ACx and _PSV are optional, but _CRT is required */
1180 tz->cooling_mode = ACPI_THERMAL_MODE_CRITICAL;
1181 }
1182 }
1183 1148
1184 /* Get default polling frequency [_TZP] (optional) */ 1149 /* Get default polling frequency [_TZP] (optional) */
1185 if (tzp) 1150 if (tzp)