cpuidle: big_little: Fix build error

big_little CPU idle driver references functions defined in MCPM driver.
Thus make it depend on MCPM to avoid the following errors:

drivers/built-in.o: In function `bl_enter_powerdown':
drivers/cpuidle/cpuidle-big_little.c:134: undefined reference to `mcpm_cpu_powered_up'
drivers/built-in.o: In function `bl_powerdown_finisher':
drivers/cpuidle/cpuidle-big_little.c:104: undefined reference to `mcpm_set_entry_vector'
drivers/cpuidle/cpuidle-big_little.c:111: undefined reference to `mcpm_cpu_suspend'
make: *** [vmlinux] Error 1

Reported-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm
index b6d69e899f5de5380ff57e9ae7cf8ead0a9dd6e7..a186dec8e5df5ec1b0b7d935fbea3f65d180a1e3 100644 (file)
--- a/drivers/cpuidle/Kconfig.arm
+++ b/drivers/cpuidle/Kconfig.arm
@@ -10,6 +10,7 @@ config ARM_ARMADA_370_XP_CPUIDLE
 config ARM_BIG_LITTLE_CPUIDLE
        bool "Support for ARM big.LITTLE processors"
        depends on ARCH_VEXPRESS_TC2_PM
+       depends on MCPM
        select ARM_CPU_SUSPEND
        select CPU_IDLE_MULTIPLE_DRIVERS
        help