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A pointer to omap_rng_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@pengutronix.de> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Patrick McHardy <kaber@trash.net> Cc: Jan Engelhardt <jengelh@gmx.de> Cc: Michael Buesch <mb@bu3sch.de> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>