reset.c:(.init.text+0xec): undefined reference to `vexpress_clk_of_

Hi Pawel,

FYI, kernel build failed on

tree:   git://git.linaro.org/people/pawelmoll/linux.git vexpress-v3.7-rc1
head:   1a84f27233a708e39e50d023e58b7ba14bf52171
commit: 205f209bfadc4099c0296a4d93dd561e05bdd2e4 [6/8] ARM: vexpress: Start using new Versatile Express infrastructure
config: arm-prima2_defconfig # make ARCH=arm prima2_defconfig

All error/warnings:

arch/arm/mach-vexpress/built-in.o: In function `v2m_dt_timer_init':
reset.c:(.init.text+0xec): undefined reference to `vexpress_clk_of_init'
arch/arm/mach-vexpress/built-in.o: In function `v2m_timer_init':
reset.c:(.init.text+0x188): undefined reference to `vexpress_clk_init'
--
warning: (ARCH_VEXPRESS && ARCH_INTEGRATOR && ARCH_REALVIEW) selects COMMON_CLK_VERSATILE which has unmet direct dependencies (COMMON_CLK && (ARCH_INTEGRATOR || ARCH_REALVIEW))
warning: (ARCH_VEXPRESS && ARCH_INTEGRATOR && ARCH_REALVIEW) selects COMMON_CLK_VERSATILE which has unmet direct dependencies (COMMON_CLK && (ARCH_INTEGRATOR || ARCH_REALVIEW))

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0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation