diff options
Diffstat (limited to 'drivers/acpi/reboot.c')
| -rw-r--r-- | drivers/acpi/reboot.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c index 4870aaaa2ae1..a6c77e8b37bd 100644 --- a/drivers/acpi/reboot.c +++ b/drivers/acpi/reboot.c @@ -15,6 +15,11 @@ void acpi_reboot(void) rr = &acpi_gbl_FADT.reset_register; + /* ACPI reset register was only introduced with v2 of the FADT */ + + if (acpi_gbl_FADT.header.revision < 2) + return; + /* Is the reset register supported? The spec says we should be * checking the bit width and bit offset, but Windows ignores * these fields */ |