diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-04-03 13:01:30 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-05-23 16:53:17 +0100 |
| commit | 0f7b332f9777819a39a3b325690379a7efef89d1 (patch) | |
| tree | abc9dc45eb604cc4af88a5ab8c4a6c0cbdaa0596 /arch/arm/mach-ux500 | |
| parent | 43b3e1898206a1e385c9cb06f6040ea83a58b638 (diff) | |
| download | kernel_samsung_smdk4412-0f7b332f9777819a39a3b325690379a7efef89d1.zip kernel_samsung_smdk4412-0f7b332f9777819a39a3b325690379a7efef89d1.tar.gz kernel_samsung_smdk4412-0f7b332f9777819a39a3b325690379a7efef89d1.tar.bz2 | |
ARM: consolidate SMP cross call implementation
Rather than having each platform class provide a mach/smp.h header for
smp_cross_call(), arrange for them to register the function with the
core ARM SMP code instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-ux500')
| -rw-r--r-- | arch/arm/mach-ux500/include/mach/smp.h | 24 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/platsmp.c | 5 |
2 files changed, 4 insertions, 25 deletions
diff --git a/arch/arm/mach-ux500/include/mach/smp.h b/arch/arm/mach-ux500/include/mach/smp.h deleted file mode 100644 index ca2b15b..0000000 --- a/arch/arm/mach-ux500/include/mach/smp.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * This file is based ARM realview platform. - * Copyright (C) ARM Limited. - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ -#ifndef ASMARM_ARCH_SMP_H -#define ASMARM_ARCH_SMP_H - -#include <asm/hardware/gic.h> - -/* This is required to wakeup the secondary core */ -extern void u8500_secondary_startup(void); - -/* - * We use IRQ1 as the IPI - */ -static inline void smp_cross_call(const struct cpumask *mask, int ipi) -{ - gic_raise_softirq(mask, ipi); -} -#endif diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c index 4fff4d4..4e33846 100644 --- a/arch/arm/mach-ux500/platsmp.c +++ b/arch/arm/mach-ux500/platsmp.c @@ -18,6 +18,7 @@ #include <linux/io.h> #include <asm/cacheflush.h> +#include <asm/hardware/gic.h> #include <asm/smp_scu.h> #include <mach/hardware.h> #include <mach/setup.h> @@ -94,7 +95,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) */ write_pen_release(cpu); - smp_cross_call(cpumask_of(cpu), 1); + gic_raise_softirq(cpumask_of(cpu), 1); timeout = jiffies + (1 * HZ); while (time_before(jiffies, timeout)) { @@ -162,6 +163,8 @@ void __init smp_init_cpus(void) for (i = 0; i < ncores; i++) set_cpu_possible(i, true); + + set_smp_cross_call(gic_raise_softirq); } void __init platform_smp_prepare_cpus(unsigned int max_cpus) |