| 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 | |
| 26 | |
