On 29/11/17 10:18, Linus Walleij wrote:
> On Thu, Nov 23, 2017 at 6:13 PM, Richard Fitzgerald
> <[email protected]> wrote:
>
>> +config MFD_MADERA_I2C
>> + bool "Cirrus Logic Madera codecs with I2C"
>> + select MFD_MADERA
>> + select REGMAP_I2C
>> + depends on I2C
>> + depends on PINCTRL
>> + help
>> + Support for the Cirrus Logic Madera platform audio SoC
>> + core functionality controlled via I2C.
>> +
>> +config MFD_MADERA_SPI
>> + bool "Cirrus Logic Madera codecs with SPI"
>> + select MFD_MADERA
>> + select REGMAP_SPI
>> + depends on SPI_MASTER
>> + depends on PINCTRL
>> + help
>> + Support for the Cirrus Logic Madera platform audio SoC
>> + core functionality controlled via SPI.
>
> Why do the I2C and SPI subdrivers depend on PINCTRL?
>
> They sure don't seem to be using any pinctrl-specific APIs.
>
They require PINCTRL even if they don't call any functions on it because
the chip won't work correctly if there isn't a PINCTRL driver to apply
the correct pinmux configuration.
> Yours,
> Linus Walleij
>
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