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genirq: Provide config option to disable deprecated code

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This option covers now the old chip functions and the irq_desc data
fields which are moving to struct irq_data. More stuff will follow.

Pretty handy for testing a conversion, whether something broke or not.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner
2010-10-01 15:17:14 +02:00
parent 21e2b8c62c
commit bd15141226
6 changed files with 39 additions and 6 deletions
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10
kernel/irq/internals.h
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@@ -42,6 +42,16 @@ extern int irq_select_affinity_usr(unsigned int irq);
extern void irq_set_thread_affinity(struct irq_desc *desc);
#ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
static inline void irq_end(unsigned int irq, struct irq_desc *desc)
{
if (desc->irq_data.chip && desc->irq_data.chip->end)
desc->irq_data.chip->end(irq);
}
#else
static inline void irq_end(unsigned int irq, struct irq_desc *desc) { }
#endif
/* Inline functions for support of irq chips on slow busses */
static inline void chip_bus_lock(struct irq_desc *desc)
{