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Message-Id: <1264278937-19675-24-git-send-email-u.kleine-koenig@pengutronix.de>
Date: Sat, 23 Jan 2010 21:35:32 +0100
From: Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>
To: Greg KH <gregkh@...e.de>
Cc: linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...e.de>,
Magnus Damm <damm@...l.co.jp>,
Paul Mundt <lethal@...ux-sh.org>,
Krzysztof Helt <krzysztof.h1@...zta.fm>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 24/29] move sh_mobile_lcdc_fb's probe function to .devinit.text
A pointer to sh_mobile_lcdc_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: Greg Kroah-Hartman <gregkh@...e.de>
Cc: Magnus Damm <damm@...l.co.jp>
Cc: Paul Mundt <lethal@...ux-sh.org>
Cc: Krzysztof Helt <krzysztof.h1@...zta.fm>
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
drivers/video/sh_mobile_lcdcfb.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index a69830d..8f3c786 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -907,7 +907,7 @@ static const struct dev_pm_ops sh_mobile_lcdc_dev_pm_ops = {
static int sh_mobile_lcdc_remove(struct platform_device *pdev);
-static int __init sh_mobile_lcdc_probe(struct platform_device *pdev)
+static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
{
struct fb_info *info;
struct sh_mobile_lcdc_priv *priv;
--
1.6.6
--
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