1 files changed, 8 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 5dffcfefc3c7..61a56b100c62 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -633,6 +633,14 @@ running once the system is up.
         inport.irq=     [HW] Inport (ATI XL and Microsoft) busmouse driver
                         Format: <irq>
 
+        combined_mode=  [HW] control which driver uses IDE ports in combined
+                        mode: legacy IDE driver, libata, or both
+                        (in the libata case, libata.atapi_enabled=1 may be
+                        useful as well).  Note that using the ide or libata
+                        options may affect your device naming (e.g. by
+                        changing hdc to sdb).
+                        Format: combined (default), ide, or libata
+
         inttest=        [IA64]
 
         io7=            [HW] IO7 for Marvel based alpha systems