s390/irq: rework irq subclass handling

Let's not add a function for every external interrupt subclass for
which we need reference counting. Just have two register/unregister
functions which have a subclass parameter:

void irq_subclass_register(enum irq_subclass subclass);
void irq_subclass_unregister(enum irq_subclass subclass);

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Heiko Carstens
2013-09-04 13:35:45 +02:00
parent 50ce749d0d
commit 82003c3e60
9 changed files with 38 additions and 57 deletions

View File

@@ -78,10 +78,14 @@ typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long);
int register_external_interrupt(u16 code, ext_int_handler_t handler);
int unregister_external_interrupt(u16 code, ext_int_handler_t handler);
void service_subclass_irq_register(void);
void service_subclass_irq_unregister(void);
void measurement_alert_subclass_register(void);
void measurement_alert_subclass_unregister(void);
enum irq_subclass {
IRQ_SUBCLASS_MEASUREMENT_ALERT = 5,
IRQ_SUBCLASS_SERVICE_SIGNAL = 9,
};
void irq_subclass_register(enum irq_subclass subclass);
void irq_subclass_unregister(enum irq_subclass subclass);
#define irq_canonicalize(irq) (irq)