Re: [PATCH] Try 2, Fix release function in IPMI device model

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On 3/22/06, Greg KH <[email protected]> wrote:
> On Wed, Mar 22, 2006 at 02:45:01PM -0600, Corey Minyard wrote:
> > Ok, one more try.  Russell, I assume you mean to use
> > platform_device_alloc(), which seems to do what you suggested.
> > And I assume the driver_data is the way to store whatever you
> > need, instead of using the container_of() macro.
> >
> > Arjun, Russell, thanks for the info.
> >
> > Now the patch...
> >
> > Arjun van de Ven pointed out that the changeover to the driver model
> > in the IPMI driver had some bugs in it dealing with the release
> > function and cleanup.  Then Russell King pointed out that you can't
> > put release functions in the same module as the unregistering code.
>
> Yes you can, you just have to properly set up the module attribute
> owners and it will work just fine.
>

No, not really. You can only do that if _all_ sysfs attributes for the
object are handled in your driver which is rarely the case (dev,
/power/* attributes, etc).

--
Dmitry
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