diff options
Diffstat (limited to 'arch/ia64/hp/sim/hpsim_irq.c')
-rw-r--r-- | arch/ia64/hp/sim/hpsim_irq.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/ia64/hp/sim/hpsim_irq.c b/arch/ia64/hp/sim/hpsim_irq.c new file mode 100644 index 0000000..c0d25a2 --- /dev/null +++ b/arch/ia64/hp/sim/hpsim_irq.c @@ -0,0 +1,51 @@ +/* + * Platform dependent support for HP simulator. + * + * Copyright (C) 1998-2001 Hewlett-Packard Co + * Copyright (C) 1998-2001 David Mosberger-Tang <davidm@hpl.hp.com> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/irq.h> + +static unsigned int +hpsim_irq_startup (unsigned int irq) +{ + return 0; +} + +static void +hpsim_irq_noop (unsigned int irq) +{ +} + +static void +hpsim_set_affinity_noop (unsigned int a, cpumask_t b) +{ +} + +static struct hw_interrupt_type irq_type_hp_sim = { + .typename = "hpsim", + .startup = hpsim_irq_startup, + .shutdown = hpsim_irq_noop, + .enable = hpsim_irq_noop, + .disable = hpsim_irq_noop, + .ack = hpsim_irq_noop, + .end = hpsim_irq_noop, + .set_affinity = hpsim_set_affinity_noop, +}; + +void __init +hpsim_irq_init (void) +{ + irq_desc_t *idesc; + int i; + + for (i = 0; i < NR_IRQS; ++i) { + idesc = irq_descp(i); + if (idesc->handler == &no_irq_type) + idesc->handler = &irq_type_hp_sim; + } +} |