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

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Message-Id: <1247345591-22643-19-git-send-email-u.kleine-koenig@pengutronix.de>
Date:	Sat, 11 Jul 2009 22:52:47 +0200
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org
Cc:	Russell King <rmk+kernel@....linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] move jornada_ssp's probe function to .devinit.text

A pointer to jornada_ssp_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>
Acked-by: Kristoffer Ericson <Kristoffer.Ericson@...il.com>
Cc: Russell King <rmk+kernel@....linux.org.uk>
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
 arch/arm/mach-sa1100/jornada720_ssp.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-sa1100/jornada720_ssp.c b/arch/arm/mach-sa1100/jornada720_ssp.c
index 506a5e5..9b6dee5 100644
--- a/arch/arm/mach-sa1100/jornada720_ssp.c
+++ b/arch/arm/mach-sa1100/jornada720_ssp.c
@@ -130,7 +130,7 @@ void jornada_ssp_end(void)
 };
 EXPORT_SYMBOL(jornada_ssp_end);
 
-static int __init jornada_ssp_probe(struct platform_device *dev)
+static int __devinit jornada_ssp_probe(struct platform_device *dev)
 {
 	int ret;
 
-- 
1.6.3.1

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