diff options
Diffstat (limited to 'drivers/acpi/acpica/exsystem.c')
-rw-r--r-- | drivers/acpi/acpica/exsystem.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c index 6d32e09327f1..675aaa91a770 100644 --- a/drivers/acpi/acpica/exsystem.c +++ b/drivers/acpi/acpica/exsystem.c | |||
@@ -201,6 +201,14 @@ acpi_status acpi_ex_system_do_sleep(u64 how_long) | |||
201 | 201 | ||
202 | acpi_ex_relinquish_interpreter(); | 202 | acpi_ex_relinquish_interpreter(); |
203 | 203 | ||
204 | /* | ||
205 | * For compatibility with other ACPI implementations and to prevent | ||
206 | * accidental deep sleeps, limit the sleep time to something reasonable. | ||
207 | */ | ||
208 | if (how_long > ACPI_MAX_SLEEP) { | ||
209 | how_long = ACPI_MAX_SLEEP; | ||
210 | } | ||
211 | |||
204 | acpi_os_sleep(how_long); | 212 | acpi_os_sleep(how_long); |
205 | 213 | ||
206 | /* And now we must get the interpreter again */ | 214 | /* And now we must get the interpreter again */ |