diff options
Diffstat (limited to 'arch/sparc/kernel')
-rw-r--r-- | arch/sparc/kernel/tick14.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/arch/sparc/kernel/tick14.c b/arch/sparc/kernel/tick14.c index 77a4f3aeec67..138bbf5f8724 100644 --- a/arch/sparc/kernel/tick14.c +++ b/arch/sparc/kernel/tick14.c | |||
@@ -1,30 +1,12 @@ | |||
1 | /* tick14.c | 1 | /* tick14.c |
2 | * linux/arch/sparc/kernel/tick14.c | ||
3 | * | 2 | * |
4 | * Copyright (C) 1996 David Redman (djhr@tadpole.co.uk) | 3 | * Copyright (C) 1996 David Redman (djhr@tadpole.co.uk) |
5 | * | 4 | * |
6 | * This file handles the Sparc specific level14 ticker | 5 | * This file handles the Sparc specific level14 ticker |
7 | * This is really useful for profiling OBP uses it for keyboard | 6 | * This is really useful for profiling OBP uses it for keyboard |
8 | * aborts and other stuff. | 7 | * aborts and other stuff. |
9 | * | ||
10 | * | ||
11 | */ | 8 | */ |
12 | #include <linux/errno.h> | ||
13 | #include <linux/sched.h> | ||
14 | #include <linux/kernel.h> | 9 | #include <linux/kernel.h> |
15 | #include <linux/param.h> | ||
16 | #include <linux/string.h> | ||
17 | #include <linux/mm.h> | ||
18 | #include <linux/timex.h> | ||
19 | #include <linux/interrupt.h> | ||
20 | |||
21 | #include <asm/oplib.h> | ||
22 | #include <asm/timer.h> | ||
23 | #include <asm/system.h> | ||
24 | #include <asm/irq.h> | ||
25 | #include <asm/io.h> | ||
26 | |||
27 | #include "irq.h" | ||
28 | 10 | ||
29 | extern unsigned long lvl14_save[5]; | 11 | extern unsigned long lvl14_save[5]; |
30 | static unsigned long *linux_lvl14 = NULL; | 12 | static unsigned long *linux_lvl14 = NULL; |
@@ -55,31 +37,3 @@ void install_obp_ticker(void) | |||
55 | linux_lvl14[2] = obp_lvl14[2]; | 37 | linux_lvl14[2] = obp_lvl14[2]; |
56 | linux_lvl14[3] = obp_lvl14[3]; | 38 | linux_lvl14[3] = obp_lvl14[3]; |
57 | } | 39 | } |
58 | |||
59 | void claim_ticker14(irq_handler_t handler, | ||
60 | int irq_nr, unsigned int timeout ) | ||
61 | { | ||
62 | int cpu = smp_processor_id(); | ||
63 | |||
64 | /* first we copy the obp handler instructions | ||
65 | */ | ||
66 | __disable_irq(irq_nr); | ||
67 | if (!handler) | ||
68 | return; | ||
69 | |||
70 | linux_lvl14 = (unsigned long *)lvl14_save[4]; | ||
71 | obp_lvl14[0] = linux_lvl14[0]; | ||
72 | obp_lvl14[1] = linux_lvl14[1]; | ||
73 | obp_lvl14[2] = linux_lvl14[2]; | ||
74 | obp_lvl14[3] = linux_lvl14[3]; | ||
75 | |||
76 | if (!request_irq(irq_nr, | ||
77 | handler, | ||
78 | (IRQF_DISABLED | SA_STATIC_ALLOC), | ||
79 | "counter14", | ||
80 | NULL)) { | ||
81 | install_linux_ticker(); | ||
82 | load_profile_irq(cpu, timeout); | ||
83 | __enable_irq(irq_nr); | ||
84 | } | ||
85 | } | ||