diff options
Diffstat (limited to 'arch/mips/kernel/csrc-gic.c')
-rw-r--r-- | arch/mips/kernel/csrc-gic.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/arch/mips/kernel/csrc-gic.c b/arch/mips/kernel/csrc-gic.c deleted file mode 100644 index e02620901117..000000000000 --- a/arch/mips/kernel/csrc-gic.c +++ /dev/null | |||
@@ -1,40 +0,0 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. | ||
7 | */ | ||
8 | #include <linux/init.h> | ||
9 | #include <linux/time.h> | ||
10 | |||
11 | #include <asm/gic.h> | ||
12 | |||
13 | static cycle_t gic_hpt_read(struct clocksource *cs) | ||
14 | { | ||
15 | return gic_read_count(); | ||
16 | } | ||
17 | |||
18 | static struct clocksource gic_clocksource = { | ||
19 | .name = "GIC", | ||
20 | .read = gic_hpt_read, | ||
21 | .flags = CLOCK_SOURCE_IS_CONTINUOUS, | ||
22 | }; | ||
23 | |||
24 | void __init gic_clocksource_init(unsigned int frequency) | ||
25 | { | ||
26 | unsigned int config, bits; | ||
27 | |||
28 | /* Calculate the clocksource mask. */ | ||
29 | GICREAD(GIC_REG(SHARED, GIC_SH_CONFIG), config); | ||
30 | bits = 32 + ((config & GIC_SH_CONFIG_COUNTBITS_MSK) >> | ||
31 | (GIC_SH_CONFIG_COUNTBITS_SHF - 2)); | ||
32 | |||
33 | /* Set clocksource mask. */ | ||
34 | gic_clocksource.mask = CLOCKSOURCE_MASK(bits); | ||
35 | |||
36 | /* Calculate a somewhat reasonable rating value. */ | ||
37 | gic_clocksource.rating = 200 + frequency / 10000000; | ||
38 | |||
39 | clocksource_register_hz(&gic_clocksource, frequency); | ||
40 | } | ||