linux-kernel - [PATCH 37/62] net: move am79c961's probe function to .devinit.text

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Date:	Tue,  2 Mar 2010 15:28:36 -0800
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, Roel Kluin <12o3l@...cali.nl>,
	Russell King <rmk+kernel@....linux.org.uk>,
	<netdev@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 37/62] net: move am79c961's probe function to .devinit.text

From: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

A pointer to am79c961_probe is passed to the core via
platform_driver_register and so the function must not disappear when the
.init sections are discarded.  Otherwise (if also having HOTPLUG=y)
unbinding and binding a device to the driver via sysfs will result in an
oops as does a device being registered late.

An alternative to this patch is using platform_driver_probe instead of
platform_driver_register plus removing the pointer to the probe function
from the struct platform_driver.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: Roel Kluin <12o3l@...cali.nl>
Cc: Russell King <rmk+kernel@....linux.org.uk>
Cc: <netdev@...r.kernel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/net/arm/am79c961a.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c
index 164b37e..1c3c1f9 100644
--- a/drivers/net/arm/am79c961a.c
+++ b/drivers/net/arm/am79c961a.c
@@ -680,7 +680,7 @@ static const struct net_device_ops am79c961_netdev_ops = {
 #endif
 };
 
-static int __init am79c961_probe(struct platform_device *pdev)
+static int __devinit am79c961_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct net_device *dev;
-- 
1.7.0.1

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