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genirq: Remove preflow handler support

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That was put in place for sparc64, and blackfin also used it for some time;
sparc64 no longer uses those, and blackfin is dead.

As there are no more users, remove preflow handlers.

Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200703155645.29703-3-valentin.schneider@arm.com
This commit is contained in:
Valentin Schneider
2020-07-03 16:56:45 +01:00
committed by Thomas Gleixner
parent 959f53bd90
commit 8fa88a88d5
4 changed files with 0 additions and 33 deletions
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15
include/linux/irqdesc.h
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@@ -22,7 +22,6 @@ struct pt_regs;
* @irq_common_data: per irq and chip data passed down to chip functions
* @kstat_irqs: irq stats per cpu
* @handle_irq: highlevel irq-events handler
* @preflow_handler: handler called before the flow handler (currently used by sparc)
* @action: the irq action chain
* @status_use_accessors: status information
* @core_internal_state__do_not_mess_with_it: core internal status information
@@ -58,9 +57,6 @@ struct irq_desc {
struct irq_data irq_data;
unsigned int __percpu *kstat_irqs;
irq_flow_handler_t handle_irq;
#ifdef CONFIG_IRQ_PREFLOW_FASTEOI
irq_preflow_handler_t preflow_handler;
#endif
struct irqaction *action; /* IRQ action list */
unsigned int status_use_accessors;
unsigned int core_internal_state__do_not_mess_with_it;
@@ -268,15 +264,4 @@ irq_set_lockdep_class(unsigned int irq, struct lock_class_key *lock_class,
}
}
#ifdef CONFIG_IRQ_PREFLOW_FASTEOI
static inline void
__irq_set_preflow_handler(unsigned int irq, irq_preflow_handler_t handler)
{
struct irq_desc *desc;
desc = irq_to_desc(irq);
desc->preflow_handler = handler;
}
#endif
#endif