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