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-rw-r--r--drivers/acpi/internal.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index ba4a61e964be..d93628c65661 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -191,6 +191,8 @@ bool acpi_osi_is_win8(void);
/*--------------------------------------------------------------------------
Device properties
-------------------------------------------------------------------------- */
+#define ACPI_DT_NAMESPACE_HID "PRP0001"
+
void acpi_init_properties(struct acpi_device *adev);
void acpi_free_properties(struct acpi_device *adev);
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