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psci: add CPU_IDLE dependency

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I ran into a build error for the psci_checker:

drivers/firmware/psci_checker.o: In function `psci_checker':
psci_checker.c:(.init.text+0x528): undefined reference to `cpuidle_devices'

As far as I can tell, this is simply a very rare combination of options,
but the problem has existed since the code was initially added.
Adding a Kconfig dependency makes it build properly.

Fixes: ea8b1c4a60 ("drivers: psci: PSCI checker module")
Acked-by: Kevin Brodsky <kevin.brodsky@arm.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2017-07-31 10:55:00 +02:00
parent c5b40c315a
commit 95140ed16d
1 changed files with 1 additions and 1 deletions
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2
drivers/firmware/Kconfig
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@ -10,7 +10,7 @@ config ARM_PSCI_FW
config ARM_PSCI_CHECKER
bool "ARM PSCI checker"
depends on ARM_PSCI_FW && HOTPLUG_CPU && !TORTURE_TEST
depends on ARM_PSCI_FW && HOTPLUG_CPU && CPU_IDLE && !TORTURE_TEST
help
Run the PSCI checker during startup. This checks that hotplug and
suspend operations work correctly when using PSCI.