I noticed this doing some randconfig testing (.config below). I have CONFIG_PM but no CONFIG_SUSPEND. Bug is against mainline. arch/powerpc/sysdev/built-in.o: In function `ipic_suspend': ipic.c:(.text+0x6b34): undefined reference to `fsl_deep_sleep' make[1]: *** [.tmp_vmlinux1] Error 1 make: *** [sub-make] Error 2 Looks like #ifdef CONFIG_PM in arch/powerpc/sysdev/ipic.c should be CONFIG_SUSPEND. d49747bdfb2ddebea24d1580da55b79d093d48a9 introduced this. Maybe this fixes it? Fix build when we have CONFIG_PM but no CONFIG_SUSPEND. Signed-off-by: Michael Neuling --- arch/powerpc/sysdev/ipic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index 88a983e..9a89cd3 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -890,7 +890,7 @@ unsigned int ipic_get_irq(void) return irq_linear_revmap(primary_ipic->irqhost, irq); } -#ifdef CONFIG_PM +#ifdef CONFIG_SUSPEND static struct { u32 sicfr; u32 siprr[2];