From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 5 Feb 2015 12:42:43 +0000 (+0100)
Subject: ARM: vexpress: use ARM_CPU_SUSPEND if needed
X-Git-Tag: v5.15~16247^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=95fcedb027a27f32bf2434f9271635c380e57fb5;p=platform%2Fkernel%2Flinux-starfive.git

ARM: vexpress: use ARM_CPU_SUSPEND if needed

The vexpress tc2 power management code calls mcpm_loopback, which
is only available if ARM_CPU_SUSPEND is enabled, otherwise we
get a link error:

arch/arm/mach-vexpress/built-in.o: In function `tc2_pm_init':
arch/arm/mach-vexpress/tc2_pm.c:389: undefined reference to `mcpm_loopback'

This explicitly selects ARM_CPU_SUSPEND like other platforms that
need it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 3592d7e002438 ("ARM: 8082/1: TC2: test the MCPM loopback during boot")
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
---

diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index d6b16d9..3c2509b 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -73,6 +73,7 @@ config ARCH_VEXPRESS_TC2_PM
 	depends on MCPM
 	select ARM_CCI
 	select ARCH_VEXPRESS_SPC
+	select ARM_CPU_SUSPEND
 	help
 	  Support for CPU and cluster power management on Versatile Express
 	  with a TC2 (A15x2 A7x3) big.LITTLE core tile.