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-rw-r--r--drivers/acpi/osl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 9f59dd1a0af7..f801b59f2a94 100644
--- 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;
}