linux-kernel - [PATCH] ARM: at91: select CONFIG_ARM_CPU

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Date:   Wed, 24 May 2017 17:39:03 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...db.de>
---
 arch/arm/mach-at91/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 841e924143f9..cbd959b73654 100644
--- 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
-- 
2.9.0