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auxdisplay: move cfag12864bfb's probe function to .devinit.text

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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-König <[email protected]>
Acked-by: Miguel Ojeda <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Avuton Olrich <[email protected]>
Cc: Antonino Daplas <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Uwe Kleine-König 2010-02-04 20:56:56 +01:00 • committed by Greg Kroah-Hartman
commit 57f1e87523
1 changed files with 1 additions and 1 deletions
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2
drivers/auxdisplay/cfag12864bfb.c
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@ -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);