linux-kernel - [PATCH 16/58] move h1940-bt's probe function to .devinit.text

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Message-Id: <1238196439-16535-16-git-send-email-u.kleine-koenig@pengutronix.de>
Date:	Sat, 28 Mar 2009 00:26:37 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Arnaud Patard <arnaud.patard@...-net.org>,
	Ben Dooks <ben-linux@...ff.org>
Subject: [PATCH 16/58] 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 5a6bc56..6810f9c 100644
--- a/arch/arm/mach-s3c2410/h1940-bluetooth.c
+++ b/arch/arm/mach-s3c2410/h1940-bluetooth.c
@@ -84,7 +84,7 @@ static DEVICE_ATTR(enable, 0644,
 		h1940bt_show,
 		h1940bt_store);
 
-static int __init h1940bt_probe(struct platform_device *pdev)
+static int __devinit h1940bt_probe(struct platform_device *pdev)
 {
 	/* Configures BT serial port GPIOs */
 	s3c2410_gpio_cfgpin(S3C2410_GPH0, S3C2410_GPH0_nCTS0);
-- 
1.6.2

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