Re: linux-next: Tree for Oct 1 (drivers/mfd/simple-mfd-i2c.o)

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On Thu, 01 Oct 2020, Randy Dunlap wrote:

> On 10/1/20 11:32 PM, Lee Jones wrote:
> > On Thu, 01 Oct 2020, Randy Dunlap wrote:
> > 
> >> On 10/1/20 4:39 AM, Stephen Rothwell wrote:
> >>> Hi all,
> >>>
> >>> Changes since 20200930:
> >>>
> >>
> >> on x86_64:
> >>
> >> ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_probe':
> >> simple-mfd-i2c.c:(.text+0x48): undefined reference to `__devm_regmap_init_i2c'
> >> ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_driver_init':
> >> simple-mfd-i2c.c:(.init.text+0x14): undefined reference to `i2c_register_driver'
> >> ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_driver_exit':
> >> simple-mfd-i2c.c:(.exit.text+0xd): undefined reference to `i2c_del_driver'
> >>
> >>
> >> CONFIG_I2C=m
> >> CONFIG_MFD_SIMPLE_MFD_I2C=y
> >> CONFIG_MFD_SL28CPLD=y
> >>
> >>
> >> Is linux-next missing the source code for CONFIG_MFD_SL28CPLD?
> > 
> > There isn't any associated source code.  It's a virtual symbol.
> > 
> >> The build error is caused by:
> >>
> >> config MFD_SL28CPLD
> >> 	tristate "Kontron sl28cpld Board Management Controller"
> >> 	select MFD_SIMPLE_MFD_I2C
> >>
> >> that "select" when "depends on I2C" is absent/missing.
> > 
> > Okay, so CONFIG_MFD_SIMPLE_MFD_I2C needs to depend on I2C too?  I made
> > the assumption that 'select REGMAP_I2C' would do the right thing.
> 
> "select" never follows any dependency chains, so Yes, the other symbol
> needs to depend on I2C also.

Makes sense.  Will fix, thanks.

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