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SubjectRe: [PATCH] mfd: simple-mfd-i2c: Select MFD_CORE to fix build error
On Tue, 02 Nov 2021, Robert Marko wrote:

> On Tue, Nov 2, 2021 at 12:17 PM Lee Jones <lee.jones@linaro.org> wrote:
> >
> > On Tue, 02 Nov 2021, Robert Marko wrote:
> >
> > > MFD_SIMPLE_MFD_I2C should select the MFD_CORE to a prevent build error:
> > >
> > > aarch64-linux-ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_probe':
> > > drivers/mfd/simple-mfd-i2c.c:55: undefined reference to `devm_mfd_add_devices'
> >
> > What is your use-case?
> >
> > How are you enabling this symbol?
>
> Hi Lee,
> I am adding a symbol like MFD_SL28CPLD does that you can depend on and
> that simply
> selects the MFD_SIMPLE_MFD_I2C and I have hit this issue since the
> MFD_CORE is not selected.

That's interesting.

I wonder how MFD_SL28CPLD selects it?

> > > Fixes: 3abee4579484 ("mfd: Add simple regmap based I2C driver")
> > > Signed-off-by: Robert Marko <robert.marko@sartura.hr>
> > > ---
> > > drivers/mfd/Kconfig | 1 +
> > > 1 file changed, 1 insertion(+)
> > >
> > > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> > > index 61992edf6a4d..2de69892b631 100644
> > > --- a/drivers/mfd/Kconfig
> > > +++ b/drivers/mfd/Kconfig
> > > @@ -1204,6 +1204,7 @@ config MFD_SI476X_CORE
> > > config MFD_SIMPLE_MFD_I2C
> > > tristate
> > > depends on I2C
> > > + select MFD_CORE
> > > select REGMAP_I2C
> > > help
> > > This driver creates a single register map with the intention for it
> >
>
>
>

--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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