linux-kernel - [PATCH] move macsonic's probe function to .devinit.text

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Date:	Sat, 28 Mar 2009 20:33:47 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	Jeff Garzik <jgarzik@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Finn Thain <fthain@...egraphics.com.au>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] move macsonic's probe function to .devinit.text

A pointer to mac_sonic_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.

Various other functions that are called by mac_sonic_probe need to move
to .devinit.text, too.

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: Jeff Garzik <jgarzik@...hat.com>
Cc: David S. Miller <davem@...emloft.net>
Cc: Finn Thain <fthain@...egraphics.com.au>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>

---
 drivers/net/macsonic.c |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/net/macsonic.c b/drivers/net/macsonic.c
index 527166e..e4f177e 100644
--- a/drivers/net/macsonic.c
+++ b/drivers/net/macsonic.c
@@ -167,7 +167,7 @@ static int macsonic_close(struct net_device* dev)
 	return err;
 }
 
-static int __init macsonic_init(struct net_device *dev)
+static int __devinit macsonic_init(struct net_device *dev)
 {
 	struct sonic_local* lp = netdev_priv(dev);
 
@@ -216,7 +216,7 @@ static int __init macsonic_init(struct net_device *dev)
 	return 0;
 }
 
-static int __init mac_onboard_sonic_ethernet_addr(struct net_device *dev)
+static int __devinit mac_onboard_sonic_ethernet_addr(struct net_device *dev)
 {
 	struct sonic_local *lp = netdev_priv(dev);
 	const int prom_addr = ONBOARD_SONIC_PROM_BASE;
@@ -281,7 +281,7 @@ static int __init mac_onboard_sonic_ethernet_addr(struct net_device *dev)
 	} else return 0;
 }
 
-static int __init mac_onboard_sonic_probe(struct net_device *dev)
+static int __devinit mac_onboard_sonic_probe(struct net_device *dev)
 {
 	/* Bwahahaha */
 	static int once_is_more_than_enough;
@@ -402,7 +402,7 @@ static int __init mac_onboard_sonic_probe(struct net_device *dev)
 	return macsonic_init(dev);
 }
 
-static int __init mac_nubus_sonic_ethernet_addr(struct net_device *dev,
+static int __devinit mac_nubus_sonic_ethernet_addr(struct net_device *dev,
 						unsigned long prom_addr,
 						int id)
 {
@@ -417,7 +417,7 @@ static int __init mac_nubus_sonic_ethernet_addr(struct net_device *dev,
 	return 0;
 }
 
-static int __init macsonic_ident(struct nubus_dev *ndev)
+static int __devinit macsonic_ident(struct nubus_dev *ndev)
 {
 	if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC &&
 	    ndev->dr_sw == NUBUS_DRSW_SONIC_LC)
@@ -442,7 +442,7 @@ static int __init macsonic_ident(struct nubus_dev *ndev)
 	return -1;
 }
 
-static int __init mac_nubus_sonic_probe(struct net_device *dev)
+static int __devinit mac_nubus_sonic_probe(struct net_device *dev)
 {
 	static int slots;
 	struct nubus_dev* ndev = NULL;
@@ -555,7 +555,7 @@ static int __init mac_nubus_sonic_probe(struct net_device *dev)
 	return macsonic_init(dev);
 }
 
-static int __init mac_sonic_probe(struct platform_device *pdev)
+static int __devinit mac_sonic_probe(struct platform_device *pdev)
 {
 	struct net_device *dev;
 	struct sonic_local *lp;
-- 
tg: (be0ea69..) t/platsection/mac_sonic_driver (depends on: linus/master)
--
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