Re: [PATCH] firmware: QCOM_SCM: Allow qcom_scm driver to be loadable as a permenent module

From: Greg Kroah-Hartman
Date: Wed Jul 21 2021 - 08:01:05 EST

On Wed, Jul 07, 2021 at 04:53:20AM +0000, John Stultz wrote:
> Allow the qcom_scm driver to be loadable as a permenent module.

This feels like a regression, it should be allowed to be a module.

> This still uses the "depends on QCOM_SCM || !QCOM_SCM" bit to
> ensure that drivers that call into the qcom_scm driver are
> also built as modules. While not ideal in some cases its the
> only safe way I can find to avoid build errors without having
> those drivers select QCOM_SCM and have to force it on (as
> QCOM_SCM=n can be valid for those drivers).
> Reviving this now that Saravana's fw_devlink defaults to on,
> which should avoid loading troubles seen before.

fw_devlink was supposed to resolve these issues and _allow_ code to be
built as modules and not forced to be built into the kernel.

Let's not go backwards please.


greg k-h