target/linux/leon/patches/025-greth_bootloader_disable_device_node.patch

   1 From 66d5b37cc6d32291419bf99161e83e2946ea5f25 Mon Sep 17 00:00:00 2001
   2 From: Daniel Hellstrom <daniel@gaisler.com>
   3 Date: Wed, 1 Dec 2010 12:11:03 +0100
   4 Subject: [PATCH] GRETH: added option to disable a device node from bootloader.
   5
   6 Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
   7 ---
   8  drivers/net/greth.c |    6 ++++++
   9  1 files changed, 6 insertions(+), 0 deletions(-)
  10
  11 --- a/drivers/net/greth.c
  12 +++ b/drivers/net/greth.c
  13 @@ -1428,6 +1428,12 @@ static int __devinit greth_of_probe(stru
  14         int err;
  15         int tmp;
  16         unsigned long timeout;
  17 +       int *ampopts;
  18 +
  19 +       /* Skip device if used by another OS instance */
  20 +       ampopts = (int *) of_get_property(ofdev->dev.of_node, "ampopts", NULL);
  21 +       if (ampopts && (*ampopts == 0))
  22 +               return -EIO;
  23
  24         dev = alloc_etherdev(sizeof(struct greth_private));
  25