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| author | Thomas Gleixner <tglx@linutronix.de> | 2006-07-03 02:18:48 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-02 17:29:21 -0700 |
| commit | d061daa0e3abdddc28e21a37c8ac4536dedbf239 (patch) | |
| tree | 6c08e7b8ed988053f421e38578fa11db538b0747 | |
| parent | f82bc1762e0e74b7e0040a4d83be06d32c37fc2e (diff) | |
| download | kernel_samsung_smdk4412-d061daa0e3abdddc28e21a37c8ac4536dedbf239.zip kernel_samsung_smdk4412-d061daa0e3abdddc28e21a37c8ac4536dedbf239.tar.gz kernel_samsung_smdk4412-d061daa0e3abdddc28e21a37c8ac4536dedbf239.tar.bz2 | |
[PATCH] genirq: ARM dyntick cleanup
Linus: "The hacks in kernel/irq/handle.c are really horrid. REALLY
horrid."
They are indeed. Move the dyntick quirks to ARM where they belong.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | include/asm-arm/hw_irq.h | 11 | ||||
| -rw-r--r-- | include/asm-arm/mach/time.h | 1 | ||||
| -rw-r--r-- | include/linux/irq.h | 4 | ||||
| -rw-r--r-- | kernel/irq/handle.c | 13 |
4 files changed, 17 insertions, 12 deletions
diff --git a/include/asm-arm/hw_irq.h b/include/asm-arm/hw_irq.h index f1a08a5..275b574 100644 --- a/include/asm-arm/hw_irq.h +++ b/include/asm-arm/hw_irq.h @@ -6,4 +6,15 @@ #include <asm/mach/irq.h> +#if defined(CONFIG_NO_IDLE_HZ) +# include <asm/dyntick.h> +# define handle_dynamic_tick(action) \ + if (!(action->flags & SA_TIMER) && system_timer->dyn_tick) { \ + write_seqlock(&xtime_lock); \ + if (system_timer->dyn_tick->state & DYN_TICK_ENABLED) \ + system_timer->dyn_tick->handler(irq, 0, regs); \ + write_sequnlock(&xtime_lock); \ + } +#endif + #endif diff --git a/include/asm-arm/mach/time.h b/include/asm-arm/mach/time.h index 9f28073..dee0bc3 100644 --- a/include/asm-arm/mach/time.h +++ b/include/asm-arm/mach/time.h @@ -69,6 +69,7 @@ extern void timer_tick(struct pt_regs *); /* * Kernel time keeping support. */ +struct timespec; extern int (*set_rtc)(void); extern void save_time_delta(struct timespec *delta, struct timespec *rtc); extern void restore_time_delta(struct timespec *delta, struct timespec *rtc); diff --git a/include/linux/irq.h b/include/linux/irq.h index 95d7aa7..b48eae3 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -182,6 +182,10 @@ extern int setup_irq(unsigned int irq, struct irqaction *new); #ifdef CONFIG_GENERIC_HARDIRQS +#ifndef handle_dynamic_tick +# define handle_dynamic_tick(a) do { } while (0) +#endif + #ifdef CONFIG_SMP static inline void set_native_irq_info(int irq, cpumask_t mask) { diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 6d8b301..aeb6e39 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -16,10 +16,6 @@ #include <linux/interrupt.h> #include <linux/kernel_stat.h> -#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM) -#include <asm/dyntick.h> -#endif - #include "internals.h" /** @@ -133,14 +129,7 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs, irqreturn_t ret, retval = IRQ_NONE; unsigned int status = 0; -#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM) - if (!(action->flags & SA_TIMER) && system_timer->dyn_tick != NULL) { - write_seqlock(&xtime_lock); - if (system_timer->dyn_tick->state & DYN_TICK_ENABLED) - system_timer->dyn_tick->handler(irq, 0, regs); - write_sequnlock(&xtime_lock); - } -#endif + handle_dynamic_tick(action); if (!(action->flags & IRQF_DISABLED)) local_irq_enable(); |