ARM: at91: select CONFIG_ARM_CPU_SUSPEND

The reference to cpu_resume requires the corresponding
generic code to be enabled when CONFIG_PM is set:

arch/arm/mach-at91/pm.o: In function `sama5d2_pm_init':
pm.c:(.init.text+0x5e8): undefined reference to `cpu_resume'

Fixes: 24a0f5c539f9 ("ARM: at91: pm: Add sama5d2 backup mode")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 841e924..cbd959b 100644 (file)
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -1,6 +1,7 @@
 menuconfig ARCH_AT91
        bool "Atmel SoCs"
        depends on ARCH_MULTI_V4T || ARCH_MULTI_V5 || ARCH_MULTI_V7
+       select ARM_CPU_SUSPEND if PM
        select COMMON_CLK_AT91
        select GPIOLIB
        select PINCTRL