linux-kernel - [PATCH 54/58] move vesafb's probe function to .devinit.text

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Date:	Sat, 28 Mar 2009 00:27:15 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Helge Deller <deller@....de>,
	James Simmons <jsimmons@...radead.org>,
	Antonino Daplas <adaplas@....net>
Subject: [PATCH 54/58] move vesafb's probe function to .devinit.text

A pointer to vesafb_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: Helge Deller <deller@....de>
Cc: James Simmons <jsimmons@...radead.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Antonino Daplas <adaplas@....net>
---
 drivers/video/vesafb.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
index e16322d..9022063 100644
--- a/drivers/video/vesafb.c
+++ b/drivers/video/vesafb.c
@@ -217,7 +217,7 @@ static int __init vesafb_setup(char *options)
 	return 0;
 }
 
-static int __init vesafb_probe(struct platform_device *dev)
+static int __devinit vesafb_probe(struct platform_device *dev)
 {
 	struct fb_info *info;
 	int i, err;
-- 
1.6.2

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