linux-kernel - [tip:smp/urgent] irqchip/armada-xp: Consolidate hotplug state space

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Message-ID: <tip-008b69e4d52f2cbee3ed0d0502edd78155000b1a@git.kernel.org>
Date:   Sun, 25 Dec 2016 02:08:54 -0800
From:   tip-bot for Thomas Gleixner <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     thomas.petazzoni@...e-electrons.com, bigeasy@...utronix.de,
        peterz@...radead.org, linux-kernel@...r.kernel.org,
        marc.zyngier@....com, tglx@...utronix.de, mingo@...nel.org,
        hpa@...or.com
Subject: [tip:smp/urgent] irqchip/armada-xp: Consolidate hotplug state space

Commit-ID:  008b69e4d52f2cbee3ed0d0502edd78155000b1a
Gitweb:     http://git.kernel.org/tip/008b69e4d52f2cbee3ed0d0502edd78155000b1a
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Wed, 21 Dec 2016 20:19:57 +0100
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sun, 25 Dec 2016 10:47:44 +0100

irqchip/armada-xp: Consolidate hotplug state space

The mpic is either the main interrupt controller or is cascaded behind a
GIC. The mpic is single instance and the modes are mutually exclusive, so
there is no reason to have seperate cpu hotplug states.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Cc: Sebastian Siewior <bigeasy@...utronix.de>
Cc: Marc Zyngier <marc.zyngier@....com>
Link: http://lkml.kernel.org/r/20161221192112.333161745@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

---
 drivers/irqchip/irq-armada-370-xp.c | 2 +-
 include/linux/cpuhotplug.h          | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index 9d9c2c4..eb0d4d4 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -583,7 +583,7 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node,
 #endif
 	} else {
 #ifdef CONFIG_SMP
-		cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_ARMADA_CASC_STARTING,
+		cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_ARMADA_XP_STARTING,
 					  "irqchip/armada/cascade:starting",
 					  mpic_cascaded_starting_cpu, NULL);
 #endif
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index 45c786c..20bfefb 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -82,7 +82,6 @@ enum cpuhp_state {
 	CPUHP_AP_IRQ_GIC_STARTING,
 	CPUHP_AP_IRQ_HIP04_STARTING,
 	CPUHP_AP_IRQ_ARMADA_XP_STARTING,
-	CPUHP_AP_IRQ_ARMADA_CASC_STARTING,
 	CPUHP_AP_IRQ_BCM2836_STARTING,
 	CPUHP_AP_ARM_MVEBU_COHERENCY,
 	CPUHP_AP_PERF_X86_UNCORE_STARTING,