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Groups > linux.kernel > #1477665
| From | Sebastian Andrzej Siewior <bigeasy@linutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 02/21] ARM: shmobile: Convert to hotplug state machine |
| Date | 2016-09-06 19:10 +0200 |
| Message-ID | <ses2K-4Ps-47@gated-at.bofh.it> (permalink) |
| References | <ses2J-4Ps-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Install the callbacks via the state machine.
Cc: Simon Horman <horms@verge.net.au>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-sh@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
arch/arm/mach-shmobile/platsmp-scu.c | 26 ++++++++------------------
include/linux/cpuhotplug.h | 1 +
2 files changed, 9 insertions(+), 18 deletions(-)
diff --git a/arch/arm/mach-shmobile/platsmp-scu.c b/arch/arm/mach-shmobile/platsmp-scu.c
index 8d478f1da265..d1ecaf37d142 100644
--- a/arch/arm/mach-shmobile/platsmp-scu.c
+++ b/arch/arm/mach-shmobile/platsmp-scu.c
@@ -21,26 +21,14 @@
static phys_addr_t shmobile_scu_base_phys;
static void __iomem *shmobile_scu_base;
-static int shmobile_smp_scu_notifier_call(struct notifier_block *nfb,
- unsigned long action, void *hcpu)
+static int shmobile_scu_cpu_prepare(unsigned int cpu)
{
- unsigned int cpu = (long)hcpu;
-
- switch (action) {
- case CPU_UP_PREPARE:
- /* For this particular CPU register SCU SMP boot vector */
- shmobile_smp_hook(cpu, virt_to_phys(shmobile_boot_scu),
- shmobile_scu_base_phys);
- break;
- };
-
- return NOTIFY_OK;
+ /* For this particular CPU register SCU SMP boot vector */
+ shmobile_smp_hook(cpu, virt_to_phys(shmobile_boot_scu),
+ shmobile_scu_base_phys);
+ return 0;
}
-static struct notifier_block shmobile_smp_scu_notifier = {
- .notifier_call = shmobile_smp_scu_notifier_call,
-};
-
void __init shmobile_smp_scu_prepare_cpus(phys_addr_t scu_base_phys,
unsigned int max_cpus)
{
@@ -54,7 +42,9 @@ void __init shmobile_smp_scu_prepare_cpus(phys_addr_t scu_base_phys,
scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL);
/* Use CPU notifier for reset vector control */
- register_cpu_notifier(&shmobile_smp_scu_notifier);
+ cpuhp_setup_state_nocalls(CPUHP_ARM_SHMOBILE_SCU_PREPARE,
+ "arm/shmobile-scu:prepare",
+ shmobile_scu_cpu_prepare, NULL);
}
#ifdef CONFIG_HOTPLUG_CPU
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index 0da071ff36d2..008eed0c0787 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -35,6 +35,7 @@ enum cpuhp_state {
CPUHP_POWERPC_PMAC_PREPARE,
CPUHP_POWERPC_MMU_CTX_PREPARE,
CPUHP_NOTIFY_PREPARE,
+ CPUHP_ARM_SHMOBILE_SCU_PREPARE,
CPUHP_TIMERS_DEAD,
CPUHP_BRINGUP_CPU,
CPUHP_AP_IDLE_DEAD,
--
2.9.3
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cpu hotplug: convert more drivers (batch #3) Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 20/21] blk: mq: cpu-notif: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 11/21] ACPI: processor: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
Re: [PATCH 11/21] ACPI: processor: Convert to hotplug state machine "Rafael J. Wysocki" <rafael@kernel.org> - 2016-09-06 23:10 +0200
Re: [PATCH 11/21] ACPI: processor: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-07 16:10 +0200
Re: [PATCH 11/21] ACPI: processor: Convert to hotplug state machine "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-09-07 18:00 +0200
[PATCH 21/21] blk: mq: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 03/21] ARM: OMAP: wakeupgen: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 15/21] mips: octeon: smp: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
Re: [PATCH 15/21] mips: octeon: smp: Convert to hotplug state machine Matt Redfearn <matt.redfearn@imgtec.com> - 2016-09-07 10:30 +0200
Re: [PATCH 15/21] mips: octeon: smp: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-07 16:30 +0200
Re: [PATCH 15/21] mips: octeon: smp: Convert to hotplug state machine Matt Redfearn <matt.redfearn@imgtec.com> - 2016-09-08 10:40 +0200
[PATCH 04/21] ia64: mca: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 08/21] block: softirq: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 06/21] x86: microcode: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
Re: [PATCH 06/21] x86: microcode: Convert to hotplug state machine Borislav Petkov <bp@alien8.de> - 2016-09-07 13:40 +0200
Re: [PATCH 06/21] x86: microcode: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-07 17:00 +0200
Re: [PATCH 06/21] x86: microcode: Convert to hotplug state machine Borislav Petkov <bp@alien8.de> - 2016-09-07 18:10 +0200
[PATCH 06/21 v2] x86: microcode: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-07 18:50 +0200
[PATCH 14/21] fault-injection: cpu: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 19/21] blk: mq: reserve hotplug ID states for block Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 13/21] padata: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 17/21] s390: mm: pfault: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 02/21] ARM: shmobile: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
Re: [PATCH 02/21] ARM: shmobile: Convert to hotplug state machine Geert Uytterhoeven <geert@linux-m68k.org> - 2016-09-06 20:10 +0200
Re: [PATCH 02/21] ARM: shmobile: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-07 16:00 +0200
[PATCH 16/21] mips: loongson: smp: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 12/21] cpufreq: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
Re: [PATCH 12/21] cpufreq: Convert to hotplug state machine "Rafael J. Wysocki" <rafael@kernel.org> - 2016-09-06 23:30 +0200
Re: [PATCH 12/21] cpufreq: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-07 16:20 +0200
Re: [PATCH 12/21] cpufreq: Convert to hotplug state machine "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-09-07 18:00 +0200
[PATCH 07/21] lib: irq_poll: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 01/21] arm64: FP/SIMD: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
Re: [PATCH 01/21] arm64: FP/SIMD: Convert to hotplug state machine Will Deacon <will.deacon@arm.com> - 2016-09-06 20:20 +0200
[PATCH 05/21] sh: SH-X3 SMP: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 10/21] virtio scsi: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:10 +0200
[PATCH 09/21] oprofile: timer: Convert to hotplug state machine Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-09-06 19:20 +0200
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