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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * LSAPIC Interrupt Controller | |
3 | * | |
4 | * This takes care of interrupts that are generated by the CPU's | |
5 | * internal Streamlined Advanced Programmable Interrupt Controller | |
6 | * (LSAPIC), such as the ITC and IPI interrupts. | |
7 | * | |
8 | * Copyright (C) 1999 VA Linux Systems | |
9 | * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> | |
10 | * Copyright (C) 2000 Hewlett-Packard Co | |
11 | * Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com> | |
12 | */ | |
13 | ||
14 | #include <linux/sched.h> | |
15 | #include <linux/irq.h> | |
16 | ||
17 | static unsigned int | |
18 | lsapic_noop_startup (unsigned int irq) | |
19 | { | |
20 | return 0; | |
21 | } | |
22 | ||
23 | static void | |
24 | lsapic_noop (unsigned int irq) | |
25 | { | |
26 | /* nuthing to do... */ | |
27 | } | |
28 | ||
29 | struct hw_interrupt_type irq_type_ia64_lsapic = { | |
30 | .typename = "LSAPIC", | |
31 | .startup = lsapic_noop_startup, | |
32 | .shutdown = lsapic_noop, | |
33 | .enable = lsapic_noop, | |
34 | .disable = lsapic_noop, | |
35 | .ack = lsapic_noop, | |
36 | .end = lsapic_noop | |
37 | }; |