In a future patch HAS_IOPORT=n will result in inb()/outb() and friends not being declared. We thus need to add HAS_IOPORT as dependency for those drivers using them. Co-developed-by: Arnd Bergmann <arnd@xxxxxxxxxx> Signed-off-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx> --- drivers/rtc/Kconfig | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 5a71579af0a1..20aa77bf0a9f 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -956,6 +956,7 @@ comment "Platform RTC drivers" config RTC_DRV_CMOS tristate "PC-style 'CMOS'" depends on X86 || ARM || PPC || MIPS || SPARC64 + depends on HAS_IOPORT default y if X86 select RTC_MC146818_LIB help @@ -976,6 +977,7 @@ config RTC_DRV_CMOS config RTC_DRV_ALPHA bool "Alpha PC-style CMOS" depends on ALPHA + depends on HAS_IOPORT select RTC_MC146818_LIB default y help @@ -1193,7 +1195,7 @@ config RTC_DRV_MSM6242 config RTC_DRV_BQ4802 tristate "TI BQ4802" - depends on HAS_IOMEM + depends on HAS_IOMEM && HAS_IOPORT help If you say Y here you will get support for the TI BQ4802 RTC chip. -- 2.37.2