mmc/omap: make mmci-omap using platform_driver_probe

A pointer to mmc_omap_probe which lives in .init.text is passed to the
core via platform_driver_register and so the kernel might oops if probe
is called after the init code is discarded.

As requested by David Brownell platform_driver_probe is used instead of
moving the probe function to .devinit.text.  This saves some memory, but
might have the downside that a device being registered after the call to
mmc_omap_init but before the init sections are discarded will not be
bound anymore to the driver.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>

drivers/mmc/host/omap.c

@@ -1593,7 +1593,6 @@ static int mmc_omap_resume(struct platform_device *pdev)
 #endif
 
 static struct platform_driver mmc_omap_driver = {
-	.probe		= mmc_omap_probe,
 	.remove		= mmc_omap_remove,
 	.suspend	= mmc_omap_suspend,
 	.resume		= mmc_omap_resume,
@@ -1605,7 +1604,7 @@ static struct platform_driver mmc_omap_driver = {
 
 static int __init mmc_omap_init(void)
 {
-	return platform_driver_register(&mmc_omap_driver);
+	return platform_driver_probe(&mmc_omap_driver, mmc_omap_probe);
 }
 
 static void __exit mmc_omap_exit(void)