On Wed, Jul 31, 2013 at 09:42:15AM -0400, Tejun Heo wrote:

On Wed, Jul 31, 2013 at 02:27:08PM +0100, Mark Brown wrote:

quoted

It's really only interrupts that affect most devices - if there's DMA or
anything going on after the remove() then as you said earlier the driver
is probably doing something wrong.

Hmmm... it depends on the specific driver is converted but if the
deactivation sequence - shutting down of command engine - is also
handled by devm as in libata and if you have non-devres resource free
in the exit path, you have the same problem.  Again, in general,

That's the only API I've ever heard of doing that.  Everything else is
just using it to do deallocation.
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