On Tuesday 18 February 2014, Shawn Guo wrote:
> When building a kernel image with only CONFIG_CPU_IDLE but no CONFIG_PM,
> we will get the following link error.
>
I seem to need more changes on top of this, to allow building with neither
CPU_IDLE nor PM enabled. Can you verify that?
Arnd
commit 6a434aea44d8a250f8ee2205be9bc429b140b663
Author: Arnd Bergmann <arnd@xxxxxxxx>
Date: Mon Feb 24 22:19:50 2014 +0100
ARM: imx: more CONFIG_PM fixes
This lets us build the imx code in more configurations.
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index a3fcd9c..a367675 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -147,15 +147,13 @@ int imx_cpu_kill(unsigned int cpu);
void imx6q_pm_init(void);
void imx6q_pm_set_ccm_base(void __iomem *base);
-#ifdef CONFIG_PM
-void imx6_suspend(void __iomem *ocram_vbase);
void imx6dl_pm_init(void);
void imx6sl_pm_init(void);
+#ifdef CONFIG_PM
+void imx6_suspend(void __iomem *ocram_vbase);
void imx5_pm_init(void);
#else
static inline void imx6_suspend(void __iomem *ocram_vbase) {}
-static inline void imx6dl_pm_init(void) {}
-static inline void imx6sl_pm_init(void) {}
static inline void imx5_pm_init(void) {}
#endif
diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c
index bb69943..5fea999 100644
--- a/arch/arm/mach-imx/pm-imx6q.c
+++ b/arch/arm/mach-imx/pm-imx6q.c
@@ -521,10 +521,12 @@ static void __init imx6_pm_common_init(const struct imx6_pm_socdata
WARN_ON(!ccm_base);
- ret = imx6q_ocram_suspend_init(socdata);
- if (ret)
- pr_warn("%s: failed to initialize ocram suspend %d!\n",
- __func__, ret);
+ if (IS_ENABLED(CONFIG_ARM_CPU_SUSPEND)) {
+ ret = imx6q_ocram_suspend_init(socdata);
+ if (ret)
+ pr_warn("%s: failed to initialize ocram suspend %d!\n",
+ __func__, ret);
+ }
/*
* This is for SW workaround step #1 of ERR007265, see comments
--
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