On 08/12/2014 05:11 PM, Bartlomiej Zolnierkiewicz wrote:
Fix building of exynos_defconfig with disabled CONFIG_PM_SLEEP by adding checking whether Exynos cpuidle support is enabled before accessing exynos_enter_aftr. The build error message: arch/arm/mach-exynos/built-in.o:(.data+0x74): undefined reference to `exynos_enter_aftr' make: *** [vmlinux] Error 1
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This patch has been tested on Exynos4210 based Origen board. Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx> Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> --- arch/arm/mach-exynos/exynos.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 6a24e11..d57f136 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -161,7 +161,9 @@ static void exynos_restart(enum reboot_mode mode, const char *cmd) static struct platform_device exynos_cpuidle = { .name = "exynos_cpuidle", +#ifdef CONFIG_ARM_EXYNOS_CPUIDLE .dev.platform_data = exynos_enter_aftr, +#endif .id = -1, };
This patch does not address the real issue of the compilation error. The cpuidle driver needs the exynos_enter_aftr function in order to work correctly. Hence the Makefile should be fixed in order to compile pm.o if cpuidle or pm_sleep are set.
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