Re: [PATCH 1/7] platform_device: better support builtin boilerplate avoidance

[Linus Walleij]

On Wed, Jun 3, 2015 at 4:07 PM, Paul Gortmaker
<paul.gortmaker@xxxxxxxxxxxxx> wrote:
> On 15-06-02 05:19 AM, Linus Walleij wrote:

>> For example if this is a builtin regulator, clock, GPIO, DMA etc
>> driver, we want to suppress the binding/unbinding from userspace
>> too, since these drivers provide resources to others and
>> if you unbind them, nasty things happen. Unbinding/rebinding
>> is fine as long as noone else depend on you. However for
>> a large number of builtins, that is the case :P
>
> So, to summarize:
>
> 1) Currently drivers can unbind that really should not do so.
>
> 2) This is not a new issue, nor is it introduced by this series.
>
> 3) We can't set policy based on built in vs modular; the only
>    sane thing appears to be to let the driver decide itself.

Yeah I think you're right. If I wanted to fix this problem I
should come up with some patches to help driver authors
do it themselves in a simpler way.

Yours,
Linus Walleij
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