From: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Date: Fri, 9 Nov 2012 16:15:28 +0000 (+0000)
Subject: mfd: Only unregister platform devices allocated by the mfd core
X-Git-Tag: v3.2.36~100
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e417ac027a2b834fe0dfc58c59e1a50828b8a577;p=pandora-kernel.git

mfd: Only unregister platform devices allocated by the mfd core

commit b9fbb62eb61452d728c39b2e5020739c575aac53 upstream.

mfd_remove_devices would iterate over all devices sharing a parent with
an mfd device regardless of whether they were allocated by the mfd core
or not. This especially caused problems when the device structure was
not contained within a platform_device, because to_platform_device is
used on each device pointer.

This patch defines a device_type for mfd devices and checks this is
present from mfd_remove_devices_fn before processing the device.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Tested-by: Peter Tyser <ptyser@xes-inc.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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