projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * Platform dependent support for HP simulator. | |
| 3 | * | |
| 4 | * Copyright (C) 1998-2001 Hewlett-Packard Co | |
| 5 | * Copyright (C) 1998-2001 David Mosberger-Tang <davidm@hpl.hp.com> | |
| 6 | */ | |
| 7 | ||
| 8 | #include <linux/init.h> | |
| 9 | #include <linux/kernel.h> | |
| 10 | #include <linux/sched.h> | |
| 11 | #include <linux/irq.h> | |
| 12 | ||
| 13 | static unsigned int | |
| 14 | hpsim_irq_startup (unsigned int irq) | |
| 15 | { | |
| 16 | return 0; | |
| 17 | } | |
| 18 | ||
| 19 | static void | |
| 20 | hpsim_irq_noop (unsigned int irq) | |
| 21 | { | |
| 22 | } | |
| 23 | ||
| 24 | static void | |
| 0de26520 | 25 | hpsim_set_affinity_noop(unsigned int a, const struct cpumask *b) |
| 1da177e4 LT |
26 | { |
| 27 | } | |
| 28 | ||
| 29 | static struct hw_interrupt_type irq_type_hp_sim = { | |
| 06344db3 | 30 | .name = "hpsim", |
| 1da177e4 LT |
31 | .startup = hpsim_irq_startup, |
| 32 | .shutdown = hpsim_irq_noop, | |
| 33 | .enable = hpsim_irq_noop, | |
| 34 | .disable = hpsim_irq_noop, | |
| 35 | .ack = hpsim_irq_noop, | |
| 36 | .end = hpsim_irq_noop, | |
| 37 | .set_affinity = hpsim_set_affinity_noop, | |
| 38 | }; | |
| 39 | ||
| 40 | void __init | |
| 41 | hpsim_irq_init (void) | |
| 42 | { | |
| 43 | irq_desc_t *idesc; | |
| 44 | int i; | |
| 45 | ||
| 46 | for (i = 0; i < NR_IRQS; ++i) { | |
| a8553acd IM |
47 | idesc = irq_desc + i; |
| 48 | if (idesc->chip == &no_irq_type) | |
| 49 | idesc->chip = &irq_type_hp_sim; | |
| 1da177e4 LT |
50 | } |
| 51 | } |