Since commit e69b3d70ac57 ("CLOCKSOURCE: mips-gic: Update clockevent
frequency on clock rate changes"), malta_defconfig and sead3_defconfig
fail to build as follows.

drivers/clocksource/mips-gic-timer.c: In function 'gic_clk_notifier':
drivers/clocksource/mips-gic-timer.c:102:16:
        error: 'POST_RATE_CHANGE' undeclared
drivers/clocksource/mips-gic-timer.c:103:48:
        error: dereferencing pointer to incomplete type
drivers/clocksource/mips-gic-timer.c: In function 'gic_clocksource_of_init':
drivers/clocksource/mips-gic-timer.c:209:3:
        error: implicit declaration of function 'clk_notifier_register'

Fix by enabling COMMON_CLK for both configurations. Build tested for
malta_defconfig and sead3_defconfig. Tested with qemu malta emulation.

Fixes: e69b3d70ac57 ("CLOCKSOURCE: mips-gic: Update clockevent frequency on 
clock rate changes")
Cc: Ezequiel Garcia <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
---
 arch/mips/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 09b8fe95aeb0..7af84b4d3269 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -409,6 +409,7 @@ config MIPS_MALTA
        select CEVT_R4K
        select CSRC_R4K
        select CLKSRC_MIPS_GIC
+       select COMMON_CLK
        select DMA_MAYBE_COHERENT
        select GENERIC_ISA_DMA
        select HAVE_PCSPKR_PLATFORM
@@ -459,6 +460,7 @@ config MIPS_SEAD3
        select CEVT_R4K
        select CSRC_R4K
        select CLKSRC_MIPS_GIC
+       select COMMON_CLK
        select CPU_MIPSR2_IRQ_VI
        select CPU_MIPSR2_IRQ_EI
        select DMA_NONCOHERENT
-- 
2.1.4

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