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Subject[PATCH v2] macintosh: via-pmu and via-cuda need RTC_LIB
Fix build when RTC_LIB is not set/enabled.
Eliminates these build errors:

m68k-linux-ld: drivers/macintosh/via-pmu.o: in function `pmu_set_rtc_time':
drivers/macintosh/via-pmu.c:1769: undefined reference to `rtc_tm_to_time64'
m68k-linux-ld: drivers/macintosh/via-cuda.o: in function `cuda_set_rtc_time':
drivers/macintosh/via-cuda.c:797: undefined reference to `rtc_tm_to_time64'

Fixes: 0792a2c8e0bb ("macintosh: Use common code to access RTC")
Signed-off-by: Randy Dunlap <>
Reported-by: kernel test robot <>
Suggested-by: Christophe Leroy <>
Cc: Benjamin Herrenschmidt <>
Cc: Michael Ellerman <>
Cc: Kees Cook <>
Cc: Arnd Bergmann <>
Cc: Finn Thain <>
Cc: Geert Uytterhoeven <>
Cc: Nathan Chancellor <>
Cc: Nick Desaulniers <>
v2: use RTC_LIB instead of open-coding the call to rtc_tm_to_time64()

drivers/macintosh/Kconfig | 2 ++
1 file changed, 2 insertions(+)

--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -44,6 +44,7 @@ config ADB_IOP
config ADB_CUDA
bool "Support for Cuda/Egret based Macs and PowerMacs"
depends on (ADB || PPC_PMAC) && !PPC_PMAC64
+ select RTC_LIB
This provides support for Cuda/Egret based Macintosh and
Power Macintosh systems. This includes most m68k based Macs,
@@ -57,6 +58,7 @@ config ADB_CUDA
config ADB_PMU
bool "Support for PMU based PowerMacs and PowerBooks"
depends on PPC_PMAC || MAC
+ select RTC_LIB
On PowerBooks, iBooks, and recent iMacs and Power Macintoshes, the
PMU is an embedded microprocessor whose primary function is to
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