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SubjectRe: [PATCH v2 00/22] mfd: demodularization of non-modular drivers
On Sun, Dec 02, 2018 at 11:23:07PM -0500, Paul Gortmaker wrote:
> The solution to #4 is similar - we delete the ".remove" function and
> the binding into the platform_driver struct. However, since the same
> ".remove" function could also be triggered by an "unbind" (such as for
> pass-through of a device to a guest instance) - so we also explicitly
> disable any unbind for the driver.
> The unbind mask allows us to ensure we will see if there was some odd
> corner case out there that was relying on it. Typically it would be a
> multi-port ethernet card passing a port through to a guest, so a
> sensible use case in MFD drivers seems highly unlikely. This same
> solution has already been used in multiple other mainline subsystems.

I guess if this is a general direction thing, but it does seem
that module unload is not the only reason one might ever unbind a
driver. So are we sure we want to remove the option to unbind
these drivers? Certainly for testing it is sometimes useful.


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