Linux supports some optional features, but it should notify BIOS about them
in _OSI method. Currently Linux doesn't notify any, which might make such
features not work because BIOS doesn't know about them.
Reported-by: "Jarosz, Sebastian" <sebastian.jarosz@xxxxxxxxx>
Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx>
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 52ca964..a305115 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1083,7 +1083,13 @@ struct osi_setup_entry {
bool enable;
};
-static struct osi_setup_entry __initdata osi_setup_entries[OSI_STRING_ENTRIES_MAX];
+static struct osi_setup_entry __initdata
+ osi_setup_entries[OSI_STRING_ENTRIES_MAX] = {
+ {"Module Device", true},
+ {"Processor Device", true},
+ {"3.0 _SCP Extensions", true},
+ {"Processor Aggregator Device", true},
+};
void __init acpi_osi_setup(char *str)
{
--
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