powerpc: define the conditions where the ePAPR idle hcall can be supported

[karo-tx-linux.git] / arch / powerpc / kernel / epapr_paravirt.c

diff --git a/arch/powerpc/kernel/epapr_paravirt.c b/arch/powerpc/kernel/epapr_paravirt.c
index f3eab8594d9f873432deb94c770db354f20ffc76..d44a571e45a79dae9b7976c7e281c93021b2847e 100644 (file)
--- a/arch/powerpc/kernel/epapr_paravirt.c
+++ b/arch/powerpc/kernel/epapr_paravirt.c
@@ -23,8 +23,10 @@
 #include <asm/code-patching.h>
 #include <asm/machdep.h>
 
+#if !defined(CONFIG_64BIT) || defined(CONFIG_PPC_BOOK3E_64)
 extern void epapr_ev_idle(void);
 extern u32 epapr_ev_idle_start[];
+#endif
 
 bool epapr_paravirt_enabled;
 
@@ -47,11 +49,15 @@ static int __init epapr_paravirt_init(void)
 
        for (i = 0; i < (len / 4); i++) {
                patch_instruction(epapr_hypercall_start + i, insts[i]);
+#if !defined(CONFIG_64BIT) || defined(CONFIG_PPC_BOOK3E_64)
                patch_instruction(epapr_ev_idle_start + i, insts[i]);
+#endif
        }
 
+#if !defined(CONFIG_64BIT) || defined(CONFIG_PPC_BOOK3E_64)
        if (of_get_property(hyper_node, "has-idle", NULL))
                ppc_md.power_save = epapr_ev_idle;
+#endif
 
        epapr_paravirt_enabled = true;