From: Rob Landley <rob@landley.net>

The existing Documentation/SM501.txt gives no clue what the chip is or does,
so copy the description from Kconfig help text.

cc: Ben Dooks <ben@simtec.co.uk>

Signed-off-by: Rob Landley <rob@landley.net>
---

 Documentation/SM501.txt |    5 +++++
 1 file changed, 5 insertions(+)

diff -r dc28e4e17791 Documentation/SM501.txt
--- a/Documentation/SM501.txt	Wed Sep 26 15:52:17 2007 -0700
+++ b/Documentation/SM501.txt	Sat Sep 29 14:01:43 2007 -0500
@@ -2,6 +2,11 @@
 			============
 
 Copyright 2006, 2007 Simtec Electronics
+
+The Silicon Motion SM501 multimedia companion chip is a multifunction device
+which may provide numerous interfaces including USB host controller USB gadget,
+Asyncronous Serial ports, Audio functions and a dual display video interface.
+The device may be connected by PCI or local bus with varying functions enabled.
 
 Core
 ----

-- 
"One of my most productive days was throwing away 1000 lines of code."
  - Ken Thompson.
-
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