powerpc/kexec: Remove ppc_md.machine_kexec

No one uses ppc_md.machine_kexec, so remove it.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 67cd82e..cb81396 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -246,12 +246,6 @@
 	 * claims to support kexec.
 	 */
 	int (*machine_kexec_prepare)(struct kimage *image);
-
-	/* Called to perform the _real_ kexec.
-	 * Do NOT allocate memory or fail here. We are past the point of
-	 * no return.
-	 */
-	void (*machine_kexec)(struct kimage *image);
 #endif /* CONFIG_KEXEC */
 
 #ifdef CONFIG_SUSPEND
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index fae6764..43836aa 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -85,10 +85,7 @@
  */
 void machine_kexec(struct kimage *image)
 {
-	if (ppc_md.machine_kexec)
-		ppc_md.machine_kexec(image);
-	else
-		default_machine_kexec(image);
+	default_machine_kexec(image);
 
 	/* Fall back to normal restart if we're still alive. */
 	machine_restart(NULL);