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-rw-r--r--include/linux/parport.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/parport.h b/include/linux/parport.h
index 80682aaa8f1..9cdd6943e01 100644
--- a/include/linux/parport.h
+++ b/include/linux/parport.h
@@ -279,6 +279,10 @@ struct parport {
int dma;
int muxport; /* which muxport (if any) this is */
int portnum; /* which physical parallel port (not mux) */
+ struct device *dev; /* Physical device associated with IO/DMA.
+ * This may unfortulately be null if the
+ * port has a legacy driver.
+ */
struct parport *physport;
/* If this is a non-default mux
@@ -289,7 +293,7 @@ struct parport {
following structure members are
meaningless: devices, cad, muxsel,
waithead, waittail, flags, pdir,
- ieee1284, *_lock.
+ dev, ieee1284, *_lock.
It this is a default mux parport, or
there is no mux involved, this points to
@@ -302,7 +306,7 @@ struct parport {
struct pardevice *waithead;
struct pardevice *waittail;
-
+
struct list_head list;
unsigned int flags;