[U-Boot] [PATCH] net, doc: how to setup mac address correct.

[Heiko Schocher <hs@denx.de>]

as this seems unclear, document how the flow of setting up
the mac address is correct.

Signed-off-by: Heiko Schocher <hs@denx.de>
---
 doc/README.enetaddr |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/doc/README.enetaddr b/doc/README.enetaddr
index 1d75aa3..9edb6cd 100644
--- a/doc/README.enetaddr
+++ b/doc/README.enetaddr
@@ -28,6 +28,18 @@ Here are the places where MAC addresses might be stored:
 	      purpose of passing this information to an OS kernel we are about
 	      to boot

+-----------
+ correct flow of setting up the mac address (summarized)
+-----------
+
+1. Read from hardware in initialize() function
+2. Read from environment in net/eth.c after initialize()
+3. Give priority to the value in the environment if a conflict
+4. Program hardware in the device's init() function.
+
+If somebody wants to subvert the 'design philosophy', the right way is to
+call eth_dev->init() in board code.
+
 -------
  Usage
 -------
-- 
1.6.2.5

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany