linux-kernel - [PATCH 10/29] move h1940-bt's probe function to .devinit.text

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Message-Id: <1264278937-19675-10-git-send-email-u.kleine-koenig@pengutronix.de>
Date:	Sat, 23 Jan 2010 21:35:18 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Greg KH <gregkh@...e.de>
Cc:	linux-kernel@...r.kernel.org,
	Russell King <rmk+kernel@....linux.org.uk>,
	Arnaud Patard <arnaud.patard@...-net.org>,
	Ben Dooks <ben-linux@...ff.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 10/29] move h1940-bt's probe function to .devinit.text

A pointer to h1940bt_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: Russell King <rmk+kernel@....linux.org.uk>
Cc: Arnaud Patard <arnaud.patard@...-net.org>
Cc: Ben Dooks <ben-linux@...ff.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
 arch/arm/mach-s3c2410/h1940-bluetooth.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-s3c2410/h1940-bluetooth.c b/arch/arm/mach-s3c2410/h1940-bluetooth.c
index b7d1f8d..a3f3c7b 100644
--- a/arch/arm/mach-s3c2410/h1940-bluetooth.c
+++ b/arch/arm/mach-s3c2410/h1940-bluetooth.c
@@ -56,7 +56,7 @@ static const struct rfkill_ops h1940bt_rfkill_ops = {
 	.set_block = h1940bt_set_block,
 };
 
-static int __init h1940bt_probe(struct platform_device *pdev)
+static int __devinit h1940bt_probe(struct platform_device *pdev)
 {
 	struct rfkill *rfk;
 	int ret = 0;
-- 
1.6.6

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