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SubjectRe: [PATCH] mfd: arizona: Allow building arizona MFD-core as module
On Fri, May 21, 2021 at 03:50:23PM +0200, Hans de Goede wrote:
> There is no reason why the arizona core,irq and codec model specific
> regmap bits cannot be build as a module. All they do is export symbols
> which are used by the arizona-spi/i2c and arizona-codec modules, which
> themselves can be built as module.
>
> Change the Kconfig and Makefile arizona bits so that the arizona MFD-core
> can be built as a module.
>
> This is especially useful on x86 platforms with a WM5102 codec, this
> allows the arizona MFD driver necessary for the WM5102 codec to be
> enabled in generic distro-kernels without growing the base kernel-image
> size.
>
> Note this also adds an explicit "depends on MFD_ARIZONA" to all the
> arizona codec Kconfig options. The codec drivers use functions from mfd
> arizona-core. These new depends are necessary to disallow the codec
> drivers being builtin when the arizona-core is build as a module,
> otherwise we end up with missing symbol errors when building vmlinuz.
>
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---

Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>

Thanks,
Charles

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