diff options
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/Kconfig | 1 | ||||
| -rw-r--r-- | arch/sh/kernel/Makefile | 1 | ||||
| -rw-r--r-- | arch/sh/kernel/localtimer.c | 60 | ||||
| -rw-r--r-- | arch/sh/kernel/smp.c | 16 |
4 files changed, 8 insertions, 70 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index e13da05505dc..9aabc96aed03 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -1,5 +1,6 @@ config SUPERH def_bool y + select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_MIGHT_HAVE_PC_PARPORT select HAVE_PATA_PLATFORM select CLKDEV_LOOKUP diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile index 2ccf36c824c6..09040fd07d2e 100644 --- a/arch/sh/kernel/Makefile +++ b/arch/sh/kernel/Makefile @@ -46,6 +46,5 @@ obj-$(CONFIG_DWARF_UNWINDER) += dwarf.o obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_callchain.o obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o -obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) += localtimer.o ccflags-y := -Werror diff --git a/arch/sh/kernel/localtimer.c b/arch/sh/kernel/localtimer.c deleted file mode 100644 index cbb7d4636ec0..000000000000 --- a/arch/sh/kernel/localtimer.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Dummy local timer - * - * Copyright (C) 2008 Paul Mundt - * - * cloned from: - * - * linux/arch/arm/mach-realview/localtimer.c - * - * Copyright (C) 2002 ARM Ltd. - * All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/smp.h> -#include <linux/jiffies.h> -#include <linux/percpu.h> -#include <linux/clockchips.h> -#include <linux/hardirq.h> -#include <linux/irq.h> - -static DEFINE_PER_CPU(struct clock_event_device, local_clockevent); - -/* - * Used on SMP for either the local timer or SMP_MSG_TIMER - */ -void local_timer_interrupt(void) -{ - struct clock_event_device *clk = this_cpu_ptr(&local_clockevent); - - irq_enter(); - clk->event_handler(clk); - irq_exit(); -} - -void local_timer_setup(unsigned int cpu) -{ - struct clock_event_device *clk = &per_cpu(local_clockevent, cpu); - - clk->name = "dummy_timer"; - clk->features = CLOCK_EVT_FEAT_ONESHOT | - CLOCK_EVT_FEAT_PERIODIC | - CLOCK_EVT_FEAT_DUMMY; - clk->rating = 400; - clk->mult = 1; - clk->broadcast = smp_timer_broadcast; - clk->cpumask = cpumask_of(cpu); - - clockevents_register_device(clk); -} - -void local_timer_stop(unsigned int cpu) -{ -} diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index a66f2aa53dac..cbfb98802378 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/atomic.h> +#include <linux/clockchips.h> #include <asm/processor.h> #include <asm/mmu_context.h> #include <asm/smp.h> @@ -141,11 +142,6 @@ int __cpu_disable(void) migrate_irqs(); /* - * Stop the local timer for this CPU. - */ - local_timer_stop(cpu); - - /* * Flush user cache and TLB mappings, and then remove this CPU * from the vm mask set of all processes. */ @@ -198,8 +194,6 @@ asmlinkage void start_secondary(void) local_irq_enable(); - /* Enable local timers */ - local_timer_setup(cpu); calibrate_delay(); smp_store_cpu_info(cpu); @@ -289,7 +283,8 @@ void arch_send_call_function_single_ipi(int cpu) mp_ops->send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE); } -void smp_timer_broadcast(const struct cpumask *mask) +#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST +void tick_broadcast(const struct cpumask *mask) { int cpu; @@ -300,9 +295,10 @@ void smp_timer_broadcast(const struct cpumask *mask) static void ipi_timer(void) { irq_enter(); - local_timer_interrupt(); + tick_receive_broadcast(); irq_exit(); } +#endif void smp_message_recv(unsigned int msg) { @@ -316,9 +312,11 @@ void smp_message_recv(unsigned int msg) case SMP_MSG_FUNCTION_SINGLE: generic_smp_call_function_single_interrupt(); break; +#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST case SMP_MSG_TIMER: ipi_timer(); break; +#endif default: printk(KERN_WARNING "SMP %d: %s(): unknown IPI %d\n", smp_processor_id(), __func__, msg); |