The patch below does not apply to the 4.14-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 09fdc98577120d4f47601c3127efde726a2300c6 Mon Sep 17 00:00:00 2001 From: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx> Date: Mon, 21 Jan 2019 16:11:28 +0200 Subject: [PATCH] mfd: Kconfig: Fix I2C_DESIGNWARE_PLATFORM dependencies 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. 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+ Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Signed-off-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx> Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 211da115d3f6..6e58221f5c28 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -518,10 +518,10 @@ 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, @@ -547,10 +547,10 @@ 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.