1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/acpi_dma.h b/include/linux/acpi_dma.h
index d09deabc7bf6..fb0298082916 100644
--- a/include/linux/acpi_dma.h
+++ b/include/linux/acpi_dma.h
@@ -37,6 +37,8 @@ struct acpi_dma_spec {
  * @dev:                struct device of this controller
  * @acpi_dma_xlate:     callback function to find a suitable channel
  * @data:               private data used by a callback function
+ * @base_request_line:  first supported request line (CSRT)
+ * @end_request_line:   last supported request line (CSRT)
  */
 struct acpi_dma {
         struct list_head        dma_controllers;
@@ -44,6 +46,8 @@ struct acpi_dma {
         struct dma_chan         *(*acpi_dma_xlate)
                                 (struct acpi_dma_spec *, struct acpi_dma *);
         void                    *data;
+        unsigned short          base_request_line;
+        unsigned short          end_request_line;
 };
 
 /* Used with acpi_dma_simple_xlate() */