diff options
| -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 | } | ||
