[PATCH 36/62] auxdisplay: move cfag12864bfb's probe function to .devinit.text

From: Greg Kroah-Hartman
Date: Tue Mar 02 2010 - 18:53:15 EST

From: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>

A pointer to cfag12864bfb_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-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>
Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Avuton Olrich <avuton@xxxxxxxxx>
Cc: Antonino Daplas <adaplas@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
drivers/auxdisplay/cfag12864bfb.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/auxdisplay/cfag12864bfb.c b/drivers/auxdisplay/cfag12864bfb.c
index fe3a865..b0ca5a4 100644
--- a/drivers/auxdisplay/cfag12864bfb.c
+++ b/drivers/auxdisplay/cfag12864bfb.c
@@ -81,7 +81,7 @@ static struct fb_ops cfag12864bfb_ops = {
.fb_mmap = cfag12864bfb_mmap,

-static int __init cfag12864bfb_probe(struct platform_device *device)
+static int __devinit cfag12864bfb_probe(struct platform_device *device)
int ret = -EINVAL;
struct fb_info *info = framebuffer_alloc(0, &device->dev);

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