[PATCH 2/2] ARM: imx: select ARM_CPU_SUSPEND for CPU_IDLE as well

From: Arnd Bergmann
Date: Thu Mar 15 2018 - 11:16:45 EST


The cpuidle support calls cpu_suspend(), which is compiled conditionally,
and fails to link unless something selects CONFIG_ARM_CPU_SUSPEND.

arch/arm/mach-imx/cpuidle-imx6sx.o: In function `imx6sx_enter_wait':
cpuidle-imx6sx.c:(.text+0x6c): undefined reference to `cpu_suspend'

This adds an explicit select statement here.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
arch/arm/mach-imx/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index f53ec31c9f5a..e47fa13f4b0c 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -469,7 +469,7 @@ config SOC_IMX53

config SOC_IMX6
bool
- select ARM_CPU_SUSPEND if PM
+ select ARM_CPU_SUSPEND if (PM || CPU_IDLE)
select ARM_ERRATA_754322
select ARM_ERRATA_775420
select ARM_GIC
--
2.9.0