MIPS: SMP: Remove plat_smp_ops cpus_done method.

Nothing was using the method and there isn't any need for this hook.  This
leaves smp_cpus_done() empty for the moment.

As suggested by Paul Bolle <pebolle@tiscali.nl>.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/cavium-octeon/smp.c

@@ -225,13 +225,6 @@ static void octeon_smp_finish(void)
 	local_irq_enable();
 }
 
-/**
- * Hook for after all CPUs are online
- */
-static void octeon_cpus_done(void)
-{
-}
-
 #ifdef CONFIG_HOTPLUG_CPU
 
 /* State of each CPU. */
@@ -388,7 +381,6 @@ struct plat_smp_ops octeon_smp_ops = {
 	.send_ipi_mask		= octeon_send_ipi_mask,
 	.init_secondary		= octeon_init_secondary,
 	.smp_finish		= octeon_smp_finish,
-	.cpus_done		= octeon_cpus_done,
 	.boot_secondary		= octeon_boot_secondary,
 	.smp_setup		= octeon_smp_setup,
 	.prepare_cpus		= octeon_prepare_cpus,

arch/mips/include/asm/cmp.h

@@ -10,7 +10,6 @@ extern void cmp_smp_setup(void);
 extern void cmp_smp_finish(void);
 extern void cmp_boot_secondary(int cpu, struct task_struct *t);
 extern void cmp_init_secondary(void);
-extern void cmp_cpus_done(void);
 extern void cmp_prepare_cpus(unsigned int max_cpus);
 
 /* This is platform specific */

arch/mips/include/asm/smp-ops.h

@@ -26,7 +26,6 @@ struct plat_smp_ops {
 	void (*send_ipi_mask)(const struct cpumask *mask, unsigned int action);
 	void (*init_secondary)(void);
 	void (*smp_finish)(void);
-	void (*cpus_done)(void);
 	void (*boot_secondary)(int cpu, struct task_struct *idle);
 	void (*smp_setup)(void);
 	void (*prepare_cpus)(unsigned int max_cpus);

arch/mips/kernel/smp-bmips.c

@@ -280,13 +280,6 @@ static void bmips_smp_finish(void)
 	irq_enable_hazard();
 }
 
-/*
- * Runs on CPU0 after all CPUs have been booted
- */
-static void bmips_cpus_done(void)
-{
-}
-
 /*
  * BMIPS5000 raceless IPIs
  *
@@ -434,7 +427,6 @@ struct plat_smp_ops bmips43xx_smp_ops = {
 	.boot_secondary		= bmips_boot_secondary,
 	.smp_finish		= bmips_smp_finish,
 	.init_secondary		= bmips_init_secondary,
-	.cpus_done		= bmips_cpus_done,
 	.send_ipi_single	= bmips43xx_send_ipi_single,
 	.send_ipi_mask		= bmips43xx_send_ipi_mask,
 #ifdef CONFIG_HOTPLUG_CPU
@@ -449,7 +441,6 @@ struct plat_smp_ops bmips5000_smp_ops = {
 	.boot_secondary		= bmips_boot_secondary,
 	.smp_finish		= bmips_smp_finish,
 	.init_secondary		= bmips_init_secondary,
-	.cpus_done		= bmips_cpus_done,
 	.send_ipi_single	= bmips5000_send_ipi_single,
 	.send_ipi_mask		= bmips5000_send_ipi_mask,
 #ifdef CONFIG_HOTPLUG_CPU

arch/mips/kernel/smp-cmp.c

@@ -72,11 +72,6 @@ static void cmp_smp_finish(void)
 	local_irq_enable();
 }
 
-static void cmp_cpus_done(void)
-{
-	pr_debug("SMPCMP: CPU%d: %s\n", smp_processor_id(), __func__);
-}
-
 /*
  * Setup the PC, SP, and GP of a secondary processor and start it running
  * smp_bootstrap is the place to resume from
@@ -158,7 +153,6 @@ struct plat_smp_ops cmp_smp_ops = {
 	.send_ipi_mask		= gic_send_ipi_mask,
 	.init_secondary		= cmp_init_secondary,
 	.smp_finish		= cmp_smp_finish,
-	.cpus_done		= cmp_cpus_done,
 	.boot_secondary		= cmp_boot_secondary,
 	.smp_setup		= cmp_smp_setup,
 	.prepare_cpus		= cmp_prepare_cpus,

arch/mips/kernel/smp-cps.c

@@ -302,10 +302,6 @@ static void cps_smp_finish(void)
 	local_irq_enable();
 }
 
-static void cps_cpus_done(void)
-{
-}
-
 static struct plat_smp_ops cps_smp_ops = {
 	.smp_setup		= cps_smp_setup,
 	.prepare_cpus		= cps_prepare_cpus,
@@ -314,7 +310,6 @@ static struct plat_smp_ops cps_smp_ops = {
 	.smp_finish		= cps_smp_finish,
 	.send_ipi_single	= gic_send_ipi_single,
 	.send_ipi_mask		= gic_send_ipi_mask,
-	.cpus_done		= cps_cpus_done,
 };
 
 int register_cps_smp_ops(void)

arch/mips/kernel/smp-mt.c

@@ -183,10 +183,6 @@ static void vsmp_smp_finish(void)
 	local_irq_enable();
 }
 
-static void vsmp_cpus_done(void)
-{
-}
-
 /*
  * Setup the PC, SP, and GP of a secondary processor and start it
  * running!
@@ -287,7 +283,6 @@ struct plat_smp_ops vsmp_smp_ops = {
 	.send_ipi_mask		= vsmp_send_ipi_mask,
 	.init_secondary		= vsmp_init_secondary,
 	.smp_finish		= vsmp_smp_finish,
-	.cpus_done		= vsmp_cpus_done,
 	.boot_secondary		= vsmp_boot_secondary,
 	.smp_setup		= vsmp_smp_setup,
 	.prepare_cpus		= vsmp_prepare_cpus,

arch/mips/kernel/smp-up.c

@@ -36,11 +36,6 @@ static void up_smp_finish(void)
 {
 }
 
-/* Hook for after all CPUs are online */
-static void up_cpus_done(void)
-{
-}
-
 /*
  * Firmware CPU startup hook
  */
@@ -73,7 +68,6 @@ struct plat_smp_ops up_smp_ops = {
 	.send_ipi_mask		= up_send_ipi_mask,
 	.init_secondary		= up_init_secondary,
 	.smp_finish		= up_smp_finish,
-	.cpus_done		= up_cpus_done,
 	.boot_secondary		= up_boot_secondary,
 	.smp_setup		= up_smp_setup,
 	.prepare_cpus		= up_prepare_cpus,

arch/mips/kernel/smp.c

@@ -163,7 +163,6 @@ void smp_send_stop(void)
 
 void __init smp_cpus_done(unsigned int max_cpus)
 {
-	mp_ops->cpus_done();
 }
 
 /* called from main before smp_init() */

arch/mips/loongson/loongson-3/smp.c

@@ -279,13 +279,6 @@ static void loongson3_boot_secondary(int cpu, struct task_struct *idle)
 	loongson3_ipi_write64(startargs[0], (void *)(ipi_mailbox_buf[cpu]+0x0));
 }
 
-/*
- * Final cleanup after all secondaries booted
- */
-static void __init loongson3_cpus_done(void)
-{
-}
-
 #ifdef CONFIG_HOTPLUG_CPU
 
 static int loongson3_cpu_disable(void)
@@ -432,7 +425,6 @@ struct plat_smp_ops loongson3_smp_ops = {
 	.send_ipi_mask = loongson3_send_ipi_mask,
 	.init_secondary = loongson3_init_secondary,
 	.smp_finish = loongson3_smp_finish,
-	.cpus_done = loongson3_cpus_done,
 	.boot_secondary = loongson3_boot_secondary,
 	.smp_setup = loongson3_smp_setup,
 	.prepare_cpus = loongson3_prepare_cpus,

arch/mips/netlogic/common/smp.c

@@ -135,10 +135,6 @@ void nlm_smp_finish(void)
 	local_irq_enable();
 }
 
-void nlm_cpus_done(void)
-{
-}
-
 /*
  * Boot all other cpus in the system, initialize them, and bring them into
  * the boot function
@@ -277,7 +273,6 @@ struct plat_smp_ops nlm_smp_ops = {
 	.send_ipi_mask		= nlm_send_ipi_mask,
 	.init_secondary		= nlm_init_secondary,
 	.smp_finish		= nlm_smp_finish,
-	.cpus_done		= nlm_cpus_done,
 	.boot_secondary		= nlm_boot_secondary,
 	.smp_setup		= nlm_smp_setup,
 	.prepare_cpus		= nlm_prepare_cpus,

arch/mips/sgi-ip27/ip27-smp.c

@@ -186,10 +186,6 @@ static void ip27_smp_finish(void)
 	local_irq_enable();
 }
 
-static void __init ip27_cpus_done(void)
-{
-}
-
 /*
  * Launch a slave into smp_bootstrap().	 It doesn't take an argument, and we
  * set sp to the kernel stack of the newly created idle process, gp to the proc
@@ -236,7 +232,6 @@ struct plat_smp_ops ip27_smp_ops = {
 	.send_ipi_mask		= ip27_send_ipi_mask,
 	.init_secondary		= ip27_init_secondary,
 	.smp_finish		= ip27_smp_finish,
-	.cpus_done		= ip27_cpus_done,
 	.boot_secondary		= ip27_boot_secondary,
 	.smp_setup		= ip27_smp_setup,
 	.prepare_cpus		= ip27_prepare_cpus,

arch/mips/sibyte/bcm1480/smp.c

@@ -114,13 +114,6 @@ static void bcm1480_smp_finish(void)
 	local_irq_enable();
 }
 
-/*
- * Final cleanup after all secondaries booted
- */
-static void bcm1480_cpus_done(void)
-{
-}
-
 /*
  * Setup the PC, SP, and GP of a secondary processor and start it
  * running!
@@ -170,7 +163,6 @@ struct plat_smp_ops bcm1480_smp_ops = {
 	.send_ipi_mask		= bcm1480_send_ipi_mask,
 	.init_secondary		= bcm1480_init_secondary,
 	.smp_finish		= bcm1480_smp_finish,
-	.cpus_done		= bcm1480_cpus_done,
 	.boot_secondary		= bcm1480_boot_secondary,
 	.smp_setup		= bcm1480_smp_setup,
 	.prepare_cpus		= bcm1480_prepare_cpus,

arch/mips/sibyte/sb1250/smp.c

@@ -102,13 +102,6 @@ static void sb1250_smp_finish(void)
 	local_irq_enable();
 }
 
-/*
- * Final cleanup after all secondaries booted
- */
-static void sb1250_cpus_done(void)
-{
-}
-
 /*
  * Setup the PC, SP, and GP of a secondary processor and start it
  * running!
@@ -158,7 +151,6 @@ struct plat_smp_ops sb_smp_ops = {
 	.send_ipi_mask		= sb1250_send_ipi_mask,
 	.init_secondary		= sb1250_init_secondary,
 	.smp_finish		= sb1250_smp_finish,
-	.cpus_done		= sb1250_cpus_done,
 	.boot_secondary		= sb1250_boot_secondary,
 	.smp_setup		= sb1250_smp_setup,
 	.prepare_cpus		= sb1250_prepare_cpus,