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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-10-28 09:54:21 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-10-28 09:54:21 -0400
commit55f052341ff75e5815b1f7f4d2d3b69314ea8712 (patch)
tree12b2bf8b6cd272305bddf39f542ddbf5230d90bc /arch/arm/oprofile
parent7c5b3fc20807279d8f8e78f1e2ef275128668796 (diff)
[ARM] 3/4 Rename common oprofile code
The common oprofile code assumes the name "PMU" (from Intel's performance management unit). This is misleading when we start adding oprofile support for other machine types which don't use the same terminology. Call it op_arm_* instead of pmu_*. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/oprofile')
-rw-r--r--arch/arm/oprofile/common.c88
-rw-r--r--arch/arm/oprofile/init.c4
-rw-r--r--arch/arm/oprofile/op_arm_model.h4
3 files changed, 48 insertions, 48 deletions
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index 02e5d6f4516..7ce6dfa06c8 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -16,17 +16,17 @@
16#include "op_counter.h" 16#include "op_counter.h"
17#include "op_arm_model.h" 17#include "op_arm_model.h"
18 18
19static struct op_arm_model_spec *pmu_model; 19static struct op_arm_model_spec *op_arm_model;
20static int pmu_enabled; 20static int op_arm_enabled;
21static struct semaphore pmu_sem; 21static struct semaphore op_arm_sem;
22 22
23struct op_counter_config counter_config[OP_MAX_COUNTER]; 23struct op_counter_config counter_config[OP_MAX_COUNTER];
24 24
25static int pmu_create_files(struct super_block *sb, struct dentry *root) 25static int op_arm_create_files(struct super_block *sb, struct dentry *root)
26{ 26{
27 unsigned int i; 27 unsigned int i;
28 28
29 for (i = 0; i < pmu_model->num_counters; i++) { 29 for (i = 0; i < op_arm_model->num_counters; i++) {
30 struct dentry *dir; 30 struct dentry *dir;
31 char buf[2]; 31 char buf[2];
32 32
@@ -43,61 +43,61 @@ static int pmu_create_files(struct super_block *sb, struct dentry *root)
43 return 0; 43 return 0;
44} 44}
45 45
46static int pmu_setup(void) 46static int op_arm_setup(void)
47{ 47{
48 int ret; 48 int ret;
49 49
50 spin_lock(&oprofilefs_lock); 50 spin_lock(&oprofilefs_lock);
51 ret = pmu_model->setup_ctrs(); 51 ret = op_arm_model->setup_ctrs();
52 spin_unlock(&oprofilefs_lock); 52 spin_unlock(&oprofilefs_lock);
53 return ret; 53 return ret;
54} 54}
55 55
56static int pmu_start(void) 56static int op_arm_start(void)
57{ 57{
58 int ret = -EBUSY; 58 int ret = -EBUSY;
59 59
60 down(&pmu_sem); 60 down(&op_arm_sem);
61 if (!pmu_enabled) { 61 if (!op_arm_enabled) {
62 ret = pmu_model->start(); 62 ret = op_arm_model->start();
63 pmu_enabled = !ret; 63 op_arm_enabled = !ret;
64 } 64 }
65 up(&pmu_sem); 65 up(&op_arm_sem);
66 return ret; 66 return ret;
67} 67}
68 68
69static void pmu_stop(void) 69static void op_arm_stop(void)
70{ 70{
71 down(&pmu_sem); 71 down(&op_arm_sem);
72 if (pmu_enabled) 72 if (op_arm_enabled)
73 pmu_model->stop(); 73 op_arm_model->stop();
74 pmu_enabled = 0; 74 op_arm_enabled = 0;
75 up(&pmu_sem); 75 up(&op_arm_sem);
76} 76}
77 77
78#ifdef CONFIG_PM 78#ifdef CONFIG_PM
79static int pmu_suspend(struct sys_device *dev, pm_message_t state) 79static int op_arm_suspend(struct sys_device *dev, pm_message_t state)
80{ 80{
81 down(&pmu_sem); 81 down(&op_arm_sem);
82 if (pmu_enabled) 82 if (op_arm_enabled)
83 pmu_model->stop(); 83 op_arm_model->stop();
84 up(&pmu_sem); 84 up(&op_arm_sem);
85 return 0; 85 return 0;
86} 86}
87 87
88static int pmu_resume(struct sys_device *dev) 88static int op_arm_resume(struct sys_device *dev)
89{ 89{
90 down(&pmu_sem); 90 down(&op_arm_sem);
91 if (pmu_enabled && pmu_model->start()) 91 if (op_arm_enabled && op_arm_model->start())
92 pmu_enabled = 0; 92 op_arm_enabled = 0;
93 up(&pmu_sem); 93 up(&op_arm_sem);
94 return 0; 94 return 0;
95} 95}
96 96
97static struct sysdev_class oprofile_sysclass = { 97static struct sysdev_class oprofile_sysclass = {
98 set_kset_name("oprofile"), 98 set_kset_name("oprofile"),
99 .resume = pmu_resume, 99 .resume = op_arm_resume,
100 .suspend = pmu_suspend, 100 .suspend = op_arm_suspend,
101}; 101};
102 102
103static struct sys_device device_oprofile = { 103static struct sys_device device_oprofile = {
@@ -125,31 +125,31 @@ static void exit_driverfs(void)
125#define exit_driverfs() do { } while (0) 125#define exit_driverfs() do { } while (0)
126#endif /* CONFIG_PM */ 126#endif /* CONFIG_PM */
127 127
128int __init pmu_init(struct oprofile_operations *ops, struct op_arm_model_spec *spec) 128int __init op_arm_init(struct oprofile_operations *ops, struct op_arm_model_spec *spec)
129{ 129{
130 init_MUTEX(&pmu_sem); 130 init_MUTEX(&op_arm_sem);
131 131
132 if (spec->init() < 0) 132 if (spec->init() < 0)
133 return -ENODEV; 133 return -ENODEV;
134 134
135 pmu_model = spec; 135 op_arm_model = spec;
136 init_driverfs(); 136 init_driverfs();
137 ops->create_files = pmu_create_files; 137 ops->create_files = op_arm_create_files;
138 ops->setup = pmu_setup; 138 ops->setup = op_arm_setup;
139 ops->shutdown = pmu_stop; 139 ops->shutdown = op_arm_stop;
140 ops->start = pmu_start; 140 ops->start = op_arm_start;
141 ops->stop = pmu_stop; 141 ops->stop = op_arm_stop;
142 ops->cpu_type = pmu_model->name; 142 ops->cpu_type = op_arm_model->name;
143 printk(KERN_INFO "oprofile: using %s PMU\n", spec->name); 143 printk(KERN_INFO "oprofile: using %s\n", spec->name);
144 144
145 return 0; 145 return 0;
146} 146}
147 147
148void pmu_exit(void) 148void op_arm_exit(void)
149{ 149{
150 if (pmu_model) { 150 if (op_arm_model) {
151 exit_driverfs(); 151 exit_driverfs();
152 pmu_model = NULL; 152 op_arm_model = NULL;
153 } 153 }
154} 154}
155 155
diff --git a/arch/arm/oprofile/init.c b/arch/arm/oprofile/init.c
index d315a3a86c8..ccd8c54934a 100644
--- a/arch/arm/oprofile/init.c
+++ b/arch/arm/oprofile/init.c
@@ -17,7 +17,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
17 int ret = -ENODEV; 17 int ret = -ENODEV;
18 18
19#ifdef CONFIG_CPU_XSCALE 19#ifdef CONFIG_CPU_XSCALE
20 ret = pmu_init(ops, &op_xscale_spec); 20 ret = op_arm_init(ops, &op_xscale_spec);
21#endif 21#endif
22 22
23 ops->backtrace = arm_backtrace; 23 ops->backtrace = arm_backtrace;
@@ -28,6 +28,6 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
28void oprofile_arch_exit(void) 28void oprofile_arch_exit(void)
29{ 29{
30#ifdef CONFIG_CPU_XSCALE 30#ifdef CONFIG_CPU_XSCALE
31 pmu_exit(); 31 op_arm_exit();
32#endif 32#endif
33} 33}
diff --git a/arch/arm/oprofile/op_arm_model.h b/arch/arm/oprofile/op_arm_model.h
index 2148d07484b..38c6ad15854 100644
--- a/arch/arm/oprofile/op_arm_model.h
+++ b/arch/arm/oprofile/op_arm_model.h
@@ -26,6 +26,6 @@ extern struct op_arm_model_spec op_xscale_spec;
26 26
27extern void arm_backtrace(struct pt_regs * const regs, unsigned int depth); 27extern void arm_backtrace(struct pt_regs * const regs, unsigned int depth);
28 28
29extern int __init pmu_init(struct oprofile_operations *ops, struct op_arm_model_spec *spec); 29extern int __init op_arm_init(struct oprofile_operations *ops, struct op_arm_model_spec *spec);
30extern void pmu_exit(void); 30extern void op_arm_exit(void);
31#endif /* OP_ARM_MODEL_H */ 31#endif /* OP_ARM_MODEL_H */