linux-kernel - [PATCH] driver core: fixup reversed deferred probe order

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Date:	Tue, 29 May 2012 18:46:06 -0700 (PDT)
From:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org
Cc:	Simon Horman <horms@...ge.net.au>,
	Paul Mundt <lethal@...ux-sh.org>, Rafael <rjw@...k.pl>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Magnus <magnus.damm@...il.com>,
	Linux-SH <linux-sh@...r.kernel.org>,
	Kuninori Morimoto <kuninori.morimoto.gx@...il.com>
Subject: [PATCH] driver core: fixup reversed deferred probe order

If driver requests probe deferral,
it will be added to deferred_probe_pending_list
by driver_deferred_probe_add(), but, it used list_add().
Because of that, deferred probe will be run as reversed order.
This patch uses list_add_tail(), and solved this issue.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
---
 drivers/base/dd.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 1b1cbb5..dcb8a6e 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -100,7 +100,7 @@ static void driver_deferred_probe_add(struct device *dev)
 	mutex_lock(&deferred_probe_mutex);
 	if (list_empty(&dev->p->deferred_probe)) {
 		dev_dbg(dev, "Added to deferred list\n");
-		list_add(&dev->p->deferred_probe, &deferred_probe_pending_list);
+		list_add_tail(&dev->p->deferred_probe, &deferred_probe_pending_list);
 	}
 	mutex_unlock(&deferred_probe_mutex);
 }
-- 
1.7.5.4

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