powerpc/xive: Remove xive_kexec_teardown_cpu()

It's identical to xive_teardown_cpu() so just use the latter

Signed-off-by: Benjamin Herrenschmidt <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>

arch/powerpc/include/asm/xive.h

···
 extern void xive_smp_setup_cpu(void);
 extern void xive_smp_disable_cpu(void);
 extern void xive_teardown_cpu(void);
-extern void xive_kexec_teardown_cpu(int secondary);
 extern void xive_shutdown(void);
 extern void xive_flush_interrupt(void);
 

arch/powerpc/platforms/powernv/setup.c

···
 	u64 reinit_flags;
 
 	if (xive_enabled())
-		xive_kexec_teardown_cpu(secondary);
+		xive_teardown_cpu();
 	else
 		xics_kexec_teardown_cpu(secondary);
 

arch/powerpc/platforms/pseries/kexec.c

···
 	}
 
 	if (xive_enabled()) {
-		xive_kexec_teardown_cpu(secondary);
+		xive_teardown_cpu();
 
 		if (!secondary)
 			xive_shutdown();

arch/powerpc/sysdev/xive/common.c

···
 	xive_cleanup_cpu_queues(cpu, xc);
 }
 
-void xive_kexec_teardown_cpu(int secondary)
-{
-	struct xive_cpu *xc = __this_cpu_read(xive_cpu);
-	unsigned int cpu = smp_processor_id();
-
-	/* Set CPPR to 0 to disable flow of interrupts */
-	xc->cppr = 0;
-	out_8(xive_tima + xive_tima_offset + TM_CPPR, 0);
-
-	/* Backend cleanup if any */
-	if (xive_ops->teardown_cpu)
-		xive_ops->teardown_cpu(cpu, xc);
-
-#ifdef CONFIG_SMP
-	/* Get rid of IPI */
-	xive_cleanup_cpu_ipi(cpu, xc);
-#endif
-
-	/* Disable and free the queues */
-	xive_cleanup_cpu_queues(cpu, xc);
-}
-
 void xive_shutdown(void)
 {
 	xive_ops->shutdown();