diff options
Diffstat (limited to 'arch/arm/kernel/pmu.c')
-rw-r--r-- | arch/arm/kernel/pmu.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/arch/arm/kernel/pmu.c b/arch/arm/kernel/pmu.c deleted file mode 100644 index 2334bf8a650a..000000000000 --- a/arch/arm/kernel/pmu.c +++ /dev/null | |||
@@ -1,36 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/kernel/pmu.c | ||
3 | * | ||
4 | * Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles | ||
5 | * Copyright (C) 2010 ARM Ltd, Will Deacon | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | * | ||
11 | */ | ||
12 | |||
13 | #include <linux/err.h> | ||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/module.h> | ||
16 | |||
17 | #include <asm/pmu.h> | ||
18 | |||
19 | /* | ||
20 | * PMU locking to ensure mutual exclusion between different subsystems. | ||
21 | */ | ||
22 | static unsigned long pmu_lock[BITS_TO_LONGS(ARM_NUM_PMU_DEVICES)]; | ||
23 | |||
24 | int | ||
25 | reserve_pmu(enum arm_pmu_type type) | ||
26 | { | ||
27 | return test_and_set_bit_lock(type, pmu_lock) ? -EBUSY : 0; | ||
28 | } | ||
29 | EXPORT_SYMBOL_GPL(reserve_pmu); | ||
30 | |||
31 | void | ||
32 | release_pmu(enum arm_pmu_type type) | ||
33 | { | ||
34 | clear_bit_unlock(type, pmu_lock); | ||
35 | } | ||
36 | EXPORT_SYMBOL_GPL(release_pmu); | ||