Messages in this thread | | | Date | Wed, 9 Jul 2008 21:56:25 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [patch 4/4] MFD: Change mfd platform device usage to wrapper platform_device |
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On Wed, Jul 09, 2008 at 11:49:20AM +0100, Ben Dooks wrote: > This patch changes the mfd core behaviour to wrapper the platform_device > it creates in an struct mfd_device which contains the information > about the cell that was created.
You can't do this. Grab a reference to the platform device (by holding one of its sysfs files open) and then remove all the users of the mfd-core module and the mfd-core module itself.
Then, read from that file and close it. Watch your kernel oops.
That's why device release methods inside modules are a BAD IDEA and why we have the platform device alloc API.
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