Re: [PATCH -next] Input: joystick: Raspberry Pi Sense HAT depends on HAS_IOMEM

From: Dmitry Torokhov
Date: Tue May 31 2022 - 17:10:52 EST


On Mon, May 30, 2022 at 07:29:42PM -0700, Randy Dunlap wrote:
> Since JOYSTICK_SENSEHAT selects MFD_SIMPLE_MFD_I2C and the latter
> depends on HAS_IOMEM, and since 'select' does not follow any
> dependency chains, JOYSTICK_SENSEHAT should also depend on HAS_IOMEM
> to prevent a kconfig warning and a build error:
>
> WARNING: unmet direct dependencies detected for MFD_SIMPLE_MFD_I2C
> Depends on [n]: HAS_IOMEM [=n] && I2C [=y]
> Selected by [y]:
> - JOYSTICK_SENSEHAT [=y] && INPUT_JOYSTICK [=y] && INPUT [=y] && I2C [=y]
>
> s390-linux-ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_probe':
> simple-mfd-i2c.c:(.text+0xc8): undefined reference to `devm_mfd_add_devices'
>
> Fixes: 41657514c796 ("Input: add Raspberry Pi Sense HAT joystick driver")
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Charles Mirabile <cmirabil@xxxxxxxxxx>
> Cc: Daniel Bauman <dbauman@xxxxxxxxxx>
> Cc: Mwesigwa Guma <mguma@xxxxxxxxxx>
> Cc: Joel Savitz <jsavitz@xxxxxxxxxx>
> Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> Cc: linux-input@xxxxxxxxxxxxxxx

Applied, thank you.

--
Dmitry