The time-efm32 driver uses the clocksource MMIO functions.
Thus it needs to select CLKSRC_MMIO in Kconfig.
Signed-off-by: Axel Lin <axel....@ingics.com>
---
This fixes build error when COMPILE_TEST=y.
drivers/built-in.o: In function `efm32_clocksource_init':
drivers/clocksource/time-efm32.c:162: undefined reference to
`clocksource_mmio_init'
drivers/built-in.o: In function `efm32_timer_init':
drivers/clocksource/time-efm32.c:274: undefined reference to
`clocksource_mmio_readl_up'
make: *** [vmlinux] Error 1
drivers/clocksource/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index bdb953e..99763eb 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -75,6 +75,7 @@ config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
config CLKSRC_EFM32
bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
+ select CLKSRC_MMIO
default ARCH_EFM32
help
Support to use the timers of EFM32 SoCs as clock source and clock
--
1.8.1.2
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