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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2/2/26 08:04, Arnd Bergmann wrote: > From: Arnd Bergmann > > All combined i2c/i3c drivers appear to suffer from the same link > time problem when CONFIG_I3C is set to 'm': > > arm-linux-gnueabi-ld: drivers/iio/magnetometer/mmc5633.o: in function `mmc5633_i3c_driver_init': > mmc5633.c:(.init.text+0x30): undefined reference to `i3c_driver_register_with_owner' > > This was previously fixed several times by marking individual > drivers as 'depends on I2C; depends on I3C || !I3C', but this gets > tedious and is somewhat confusing. > > Add a Kconfig symbol 'I3C_OR_I2C' to help replace those dependencies, > and use this in all the existing drivers that had already fixed it > as well as the new mmc5633 driver. > > Fixes: 6e5f6bf2e3f0 ("iio: magnetometer: Add mmc5633 sensor") > Signed-off-by: Arnd Bergmann > --- > v2: restore accidentally deleted lines > --- > drivers/hwmon/Kconfig | 6 ++---- For hwmon: Acked-by: Guenter Roeck > drivers/i3c/Kconfig | 12 ++++++++++++ > drivers/iio/magnetometer/Kconfig | 2 +- > drivers/misc/amd-sbi/Kconfig | 3 +-- > 4 files changed, 16 insertions(+), 7 deletions(-) > > diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig > index 41c381764c2b..ecfba861f66d 100644 > --- a/drivers/hwmon/Kconfig > +++ b/drivers/hwmon/Kconfig > @@ -1493,8 +1493,7 @@ config SENSORS_LM73 > > config SENSORS_LM75 > tristate "National Semiconductor LM75 and compatibles" > - depends on I2C > - depends on I3C || !I3C > + depends on I3C_OR_I2C > select REGMAP_I2C > select REGMAP_I3C if I3C > help > @@ -2392,8 +2391,7 @@ config SENSORS_TMP103 > > config SENSORS_TMP108 > tristate "Texas Instruments TMP108" > - depends on I2C > - depends on I3C || !I3C > + depends on I3C_OR_I2C > select REGMAP_I2C > select REGMAP_I3C if I3C > help > diff --git a/drivers/i3c/Kconfig b/drivers/i3c/Kconfig > index 30a441506f61..626c54b386d5 100644 > --- a/drivers/i3c/Kconfig > +++ b/drivers/i3c/Kconfig > @@ -22,3 +22,15 @@ menuconfig I3C > if I3C > source "drivers/i3c/master/Kconfig" > endif # I3C > + > +config I3C_OR_I2C > + tristate > + default m if I3C=m > + default I2C > + help > + Device drivers using module_i3c_i2c_driver() can use either > + i2c or i3c hosts, but cannot be built-in for the kernel when > + CONFIG_I3C=m. > + > + Add 'depends on I2C_OR_I3C' in Kconfig for those drivers to > + get the correct dependencies. > diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig > index 2b81b22c9550..448fef4e5716 100644 > --- a/drivers/iio/magnetometer/Kconfig > +++ b/drivers/iio/magnetometer/Kconfig > @@ -143,7 +143,7 @@ config MMC5633 > tristate "MEMSIC MMC5633 3-axis magnetic sensor" > select REGMAP_I2C if I2C > select REGMAP_I3C if I3C > - depends on I2C || I3C > + depends on I3C_OR_I2C > help > Say yes here to build support for the MEMSIC MMC5633 3-axis > magnetic sensor. > diff --git a/drivers/misc/amd-sbi/Kconfig b/drivers/misc/amd-sbi/Kconfig > index be022c71a90c..30e7fad7356c 100644 > --- a/drivers/misc/amd-sbi/Kconfig > +++ b/drivers/misc/amd-sbi/Kconfig > @@ -1,10 +1,9 @@ > # SPDX-License-Identifier: GPL-2.0-only > config AMD_SBRMI_I2C > tristate "AMD side band RMI support" > - depends on I2C > + depends on I3C_OR_I2C > depends on ARM || ARM64 || COMPILE_TEST > select REGMAP_I2C > - depends on I3C || !I3C > select REGMAP_I3C if I3C > help > Side band RMI over I2C/I3C support for AMD out of band management.