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SubjectRe: [PATCH 1/4] mfd: wm8994: Fix driver operation if loaded as modules
On Mon, 27 Apr 2020, Marek Szyprowski wrote:

> WM8994 chip has built-in regulators, which might be used for chip
> operation. They are controlled by a separate wm8994-regulator driver,
> which should be loaded before this driver calls regulator_get(), because
> that driver also provides consumer-supply mapping for the them. If that
> driver is not yet loaded, regulator core substitute them with dummy
> regulator, what breaks chip operation, because the built-in regulators are
> never enabled. Fix this by annotating this driver with MODULE_SOFTDEP()
> "pre" dependency to "wm8994_regulator" module.
> Signed-off-by: Marek Szyprowski <>
> Acked-by: Charles Keepax <>
> ---
> drivers/mfd/wm8994-core.c | 1 +
> 1 file changed, 1 insertion(+)

For my own reference (apply this as-is to your sign-off block):

Acked-for-MFD-by: Lee Jones <>

Lee Jones [李琼斯]
Linaro Services Technical Lead │ Open source software for ARM SoCs
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