On 1/21/19 6:11 AM, Jarkko Nikula wrote:
> INTEL_SOC_PMIC, INTEL_SOC_PMIC_CHTWC and MFD_TPS68470 select the
> I2C_DESIGNWARE_PLATFORM without its dependencies making it possible to see
> warning and build error like below:
>
> WARNING: unmet direct dependencies detected for I2C_DESIGNWARE_PLATFORM
> Depends on [n]: I2C [=y] && HAS_IOMEM [=y] && (ACPI [=y] && COMMON_CLK [=n] || !ACPI [=y])
> Selected by [y]:
> - MFD_TPS68470 [=y] && HAS_IOMEM [=y] && ACPI [=y] && I2C [=y]=y
>
> /usr/bin/ld: drivers/i2c/busses/i2c-designware-platdrv.o: in function `dw_i2c_plat_resume':
> i2c-designware-platdrv.c:(.text+0x62): undefined reference to `i2c_dw_prepare_clk'
> /usr/bin/ld: drivers/i2c/busses/i2c-designware-platdrv.o: in function `dw_i2c_plat_suspend':
> i2c-designware-platdrv.c:(.text+0x9a): undefined reference to `i2c_dw_prepare_clk'
> /usr/bin/ld: drivers/i2c/busses/i2c-designware-platdrv.o: in function `dw_i2c_plat_probe':
> i2c-designware-platdrv.c:(.text+0x41c): undefined reference to `i2c_dw_prepare_clk'
> /usr/bin/ld: i2c-designware-platdrv.c:(.text+0x438): undefined reference to `i2c_dw_read_comp_param'
> /usr/bin/ld: i2c-designware-platdrv.c:(.text+0x545): undefined reference to `i2c_dw_probe'
> /usr/bin/ld: i2c-designware-platdrv.c:(.text+0x727): undefined reference to `i2c_dw_probe_slave'
>
> Fix this by making above options to depend on I2C_DESIGNWARE_PLATFORM
> being built-in. I2C_DESIGNWARE_PLATFORM is a visible symbol with
> dependencies so in general the select should be avoided.
>
> Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Fixes: acebcff9eda8 ("mfd: intel_soc_pmic: Select designware i2c-bus driver")
> Fixes: de85d79f4aab ("mfd: Add Cherry Trail Whiskey Cove PMIC driver")
> Fixes: 9bbf6a15ce19 ("mfd: Add support for TPS68470 device")
> Cc: Stable <stable@xxxxxxxxxxxxxxx> # v4.14+
> Signed-off-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>
Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested
Thanks.
> ---
> drivers/mfd/Kconfig | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index f461460a2aeb..6a84a8ecd4a9 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -519,10 +519,10 @@ config INTEL_SOC_PMIC
> bool "Support for Crystal Cove PMIC"
> depends on ACPI && HAS_IOMEM && I2C=y && GPIOLIB && COMMON_CLK
> depends on X86 || COMPILE_TEST
> + depends on I2C_DESIGNWARE_PLATFORM=y
> select MFD_CORE
> select REGMAP_I2C
> select REGMAP_IRQ
> - select I2C_DESIGNWARE_PLATFORM
> help
> Select this option to enable support for Crystal Cove PMIC
> on some Intel SoC systems. The PMIC provides ADC, GPIO,
> @@ -548,10 +548,10 @@ config INTEL_SOC_PMIC_CHTWC
> bool "Support for Intel Cherry Trail Whiskey Cove PMIC"
> depends on ACPI && HAS_IOMEM && I2C=y && COMMON_CLK
> depends on X86 || COMPILE_TEST
> + depends on I2C_DESIGNWARE_PLATFORM=y
> select MFD_CORE
> select REGMAP_I2C
> select REGMAP_IRQ
> - select I2C_DESIGNWARE_PLATFORM
> help
> Select this option to enable support for the Intel Cherry Trail
> Whiskey Cove PMIC found on some Intel Cherry Trail systems.
> @@ -1420,9 +1420,9 @@ config MFD_TPS65217
> config MFD_TPS68470
> bool "TI TPS68470 Power Management / LED chips"
> depends on ACPI && I2C=y
> + depends on I2C_DESIGNWARE_PLATFORM=y
> select MFD_CORE
> select REGMAP_I2C
> - select I2C_DESIGNWARE_PLATFORM
> help
> If you say yes here you get support for the TPS68470 series of
> Power Management / LED chips.
>
--
~Randy
