Re: [PATCH] gpio: gpio-tb10x: remove incorrect __exit markup

From: Dmitry Torokhov
Date: Wed Mar 18 2015 - 12:55:40 EST

On Tue, Mar 17, 2015 at 01:30:15PM +0100, Linus Walleij wrote:
> On Mon, Mar 9, 2015 at 7:04 PM, Dmitry Torokhov
> <dmitry.torokhov@xxxxxxxxx> wrote:
> > Even if bus is not hot-pluggable, the devices can be unbound from the
> > driver via sysfs, so we should not be using __exit annotations on
> > remove() methods. The only exception is drivers registered with
> > platform_driver_probe() which specifically disables sysfs bind/unbind
> > attributes.
> >
> > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> I prefer to have this fixed by setting
> .suppress_bind_attrs = true
> in the struct device_driver .drv portion of the device driver,
> so the driver cannot be removed from sysfs.
> So platform_driver_probe() isn't really the only exception,
> there is a way to do the same supression on ordinary drivers
> if we know we won't fiddle with them from sysfs.

Yes, you are right, setting suppress_bind_attrs will work too.

> Can you make a patch as per above (alternatively tell me
> how wrong I am...)

Unfortunately I won't be able to do that as I can't provide
justification for such change (i.e. I do not know why you want to
disable unbinding while still keeping the remove() implementation.


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