ACPI / osi: Add acpi_osi=!! to allow reverting acpi_osi=!

[mirror_ubuntu-artful-kernel.git] / drivers / acpi / osl.c

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 9f59dd1a0af78303e0d7237cb15b1f9ca5502247..f801b59f2a94085640ec1c2969c721ed1cc785bf 100644 (file)
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1763,6 +1763,9 @@ void __init acpi_osi_setup(char *str)
                                osi->enable = false;
                        }
                        return;
+               } else if (*str == '!') {
+                       osi_config.default_disabling = 0;
+                       return;
                }
                enable = false;
        }