diff options
| -rw-r--r-- | drivers/acpi/acpica/exsystem.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c index 754cf289fc01..b9b98a7cad4d 100644 --- a/drivers/acpi/acpica/exsystem.c +++ b/drivers/acpi/acpica/exsystem.c @@ -170,6 +170,16 @@ acpi_status acpi_ex_system_do_sleep(u64 how_long_ms) acpi_ex_exit_interpreter(); /* + * Warn users about excessive sleep times, so ASL code can be improved to + * use polling or similar techniques. + */ + if (how_long_ms > 10) { + ACPI_WARNING((AE_INFO, + "Firmware issue: Excessive sleep time (%llu ms > 10 ms) in ACPI Control Method", + how_long_us)); + } + + /* * For compatibility with other ACPI implementations and to prevent * accidental deep sleeps, limit the sleep time to something reasonable. */ |