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| author | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2014-04-14 15:54:02 +0200 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2014-05-08 14:42:00 +0000 |
| commit | d7df84b3cecad4c768e4065d1d61b2f8fd02b7fa (patch) | |
| tree | 64b55219237723b95291719c0fbe9a3f42efe9cf /arch/arm | |
| parent | ef37d337e1d37bd84ccaa5811a8d1f00f8b3677c (diff) | |
| download | op-kernel-dev-d7df84b3cecad4c768e4065d1d61b2f8fd02b7fa.zip op-kernel-dev-d7df84b3cecad4c768e4065d1d61b2f8fd02b7fa.tar.gz | |
irqchip: irq-armada-370-xp: Use cpu notifier to initialize secondary CPUs
Some irqchip initialization must be done on secondary CPUs. On mvebu
platforms, this is currently achieved by having the
arch/arm/mach-mvebu/platsmp.c code directly call into a function
exported by the irqchip driver, which isn't really nice.
This commit changes this by using the same solution as the one used in
the GIC driver: the irqchip driver registers a CPU notifier, which is
used to do the secondary CPU IRQ initialization. This way, the irqchip
driver is completely autonomous, and the function no longer needs to
be exposed from the irqchip driver to the SoC code.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397483648-26611-6-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-mvebu/armada-370-xp.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/platsmp.c | 6 |
2 files changed, 0 insertions, 7 deletions
diff --git a/arch/arm/mach-mvebu/armada-370-xp.h b/arch/arm/mach-mvebu/armada-370-xp.h index cd57c78..c3465f5 100644 --- a/arch/arm/mach-mvebu/armada-370-xp.h +++ b/arch/arm/mach-mvebu/armada-370-xp.h @@ -20,7 +20,6 @@ #define ARMADA_XP_MAX_CPUS 4 -void armada_xp_mpic_smp_cpu_init(void); void armada_xp_secondary_startup(void); extern struct smp_operations armada_xp_smp_ops; #endif diff --git a/arch/arm/mach-mvebu/platsmp.c b/arch/arm/mach-mvebu/platsmp.c index 6f06f6d..e43727f 100644 --- a/arch/arm/mach-mvebu/platsmp.c +++ b/arch/arm/mach-mvebu/platsmp.c @@ -70,11 +70,6 @@ static void __init set_secondary_cpus_clock(void) } } -static void armada_xp_secondary_init(unsigned int cpu) -{ - armada_xp_mpic_smp_cpu_init(); -} - static int armada_xp_boot_secondary(unsigned int cpu, struct task_struct *idle) { pr_info("Booting CPU %d\n", cpu); @@ -122,7 +117,6 @@ static void __init armada_xp_smp_prepare_cpus(unsigned int max_cpus) struct smp_operations armada_xp_smp_ops __initdata = { .smp_init_cpus = armada_xp_smp_init_cpus, .smp_prepare_cpus = armada_xp_smp_prepare_cpus, - .smp_secondary_init = armada_xp_secondary_init, .smp_boot_secondary = armada_xp_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU .cpu_die = armada_xp_cpu_die, |
