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Diffstat (limited to 'arch/ia64/kernel/cpufreq/acpi-cpufreq.c')
-rw-r--r--arch/ia64/kernel/cpufreq/acpi-cpufreq.c44
1 files changed, 21 insertions, 23 deletions
diff --git a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
index 22f61526a8e1..f09b174244d5 100644
--- a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
+++ b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
@@ -23,8 +23,6 @@
23#include <linux/acpi.h> 23#include <linux/acpi.h>
24#include <acpi/processor.h> 24#include <acpi/processor.h>
25 25
26#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "acpi-cpufreq", msg)
27
28MODULE_AUTHOR("Venkatesh Pallipadi"); 26MODULE_AUTHOR("Venkatesh Pallipadi");
29MODULE_DESCRIPTION("ACPI Processor P-States Driver"); 27MODULE_DESCRIPTION("ACPI Processor P-States Driver");
30MODULE_LICENSE("GPL"); 28MODULE_LICENSE("GPL");
@@ -47,12 +45,12 @@ processor_set_pstate (
47{ 45{
48 s64 retval; 46 s64 retval;
49 47
50 dprintk("processor_set_pstate\n"); 48 pr_debug("processor_set_pstate\n");
51 49
52 retval = ia64_pal_set_pstate((u64)value); 50 retval = ia64_pal_set_pstate((u64)value);
53 51
54 if (retval) { 52 if (retval) {
55 dprintk("Failed to set freq to 0x%x, with error 0x%lx\n", 53 pr_debug("Failed to set freq to 0x%x, with error 0x%lx\n",
56 value, retval); 54 value, retval);
57 return -ENODEV; 55 return -ENODEV;
58 } 56 }
@@ -67,14 +65,14 @@ processor_get_pstate (
67 u64 pstate_index = 0; 65 u64 pstate_index = 0;
68 s64 retval; 66 s64 retval;
69 67
70 dprintk("processor_get_pstate\n"); 68 pr_debug("processor_get_pstate\n");
71 69
72 retval = ia64_pal_get_pstate(&pstate_index, 70 retval = ia64_pal_get_pstate(&pstate_index,
73 PAL_GET_PSTATE_TYPE_INSTANT); 71 PAL_GET_PSTATE_TYPE_INSTANT);
74 *value = (u32) pstate_index; 72 *value = (u32) pstate_index;
75 73
76 if (retval) 74 if (retval)
77 dprintk("Failed to get current freq with " 75 pr_debug("Failed to get current freq with "
78 "error 0x%lx, idx 0x%x\n", retval, *value); 76 "error 0x%lx, idx 0x%x\n", retval, *value);
79 77
80 return (int)retval; 78 return (int)retval;
@@ -90,7 +88,7 @@ extract_clock (
90{ 88{
91 unsigned long i; 89 unsigned long i;
92 90
93 dprintk("extract_clock\n"); 91 pr_debug("extract_clock\n");
94 92
95 for (i = 0; i < data->acpi_data.state_count; i++) { 93 for (i = 0; i < data->acpi_data.state_count; i++) {
96 if (value == data->acpi_data.states[i].status) 94 if (value == data->acpi_data.states[i].status)
@@ -110,7 +108,7 @@ processor_get_freq (
110 cpumask_t saved_mask; 108 cpumask_t saved_mask;
111 unsigned long clock_freq; 109 unsigned long clock_freq;
112 110
113 dprintk("processor_get_freq\n"); 111 pr_debug("processor_get_freq\n");
114 112
115 saved_mask = current->cpus_allowed; 113 saved_mask = current->cpus_allowed;
116 set_cpus_allowed_ptr(current, cpumask_of(cpu)); 114 set_cpus_allowed_ptr(current, cpumask_of(cpu));
@@ -148,7 +146,7 @@ processor_set_freq (
148 cpumask_t saved_mask; 146 cpumask_t saved_mask;
149 int retval; 147 int retval;
150 148
151 dprintk("processor_set_freq\n"); 149 pr_debug("processor_set_freq\n");
152 150
153 saved_mask = current->cpus_allowed; 151 saved_mask = current->cpus_allowed;
154 set_cpus_allowed_ptr(current, cpumask_of(cpu)); 152 set_cpus_allowed_ptr(current, cpumask_of(cpu));
@@ -159,16 +157,16 @@ processor_set_freq (
159 157
160 if (state == data->acpi_data.state) { 158 if (state == data->acpi_data.state) {
161 if (unlikely(data->resume)) { 159 if (unlikely(data->resume)) {
162 dprintk("Called after resume, resetting to P%d\n", state); 160 pr_debug("Called after resume, resetting to P%d\n", state);
163 data->resume = 0; 161 data->resume = 0;
164 } else { 162 } else {
165 dprintk("Already at target state (P%d)\n", state); 163 pr_debug("Already at target state (P%d)\n", state);
166 retval = 0; 164 retval = 0;
167 goto migrate_end; 165 goto migrate_end;
168 } 166 }
169 } 167 }
170 168
171 dprintk("Transitioning from P%d to P%d\n", 169 pr_debug("Transitioning from P%d to P%d\n",
172 data->acpi_data.state, state); 170 data->acpi_data.state, state);
173 171
174 /* cpufreq frequency struct */ 172 /* cpufreq frequency struct */
@@ -186,7 +184,7 @@ processor_set_freq (
186 184
187 value = (u32) data->acpi_data.states[state].control; 185 value = (u32) data->acpi_data.states[state].control;
188 186
189 dprintk("Transitioning to state: 0x%08x\n", value); 187 pr_debug("Transitioning to state: 0x%08x\n", value);
190 188
191 ret = processor_set_pstate(value); 189 ret = processor_set_pstate(value);
192 if (ret) { 190 if (ret) {
@@ -219,7 +217,7 @@ acpi_cpufreq_get (
219{ 217{
220 struct cpufreq_acpi_io *data = acpi_io_data[cpu]; 218 struct cpufreq_acpi_io *data = acpi_io_data[cpu];
221 219
222 dprintk("acpi_cpufreq_get\n"); 220 pr_debug("acpi_cpufreq_get\n");
223 221
224 return processor_get_freq(data, cpu); 222 return processor_get_freq(data, cpu);
225} 223}
@@ -235,7 +233,7 @@ acpi_cpufreq_target (
235 unsigned int next_state = 0; 233 unsigned int next_state = 0;
236 unsigned int result = 0; 234 unsigned int result = 0;
237 235
238 dprintk("acpi_cpufreq_setpolicy\n"); 236 pr_debug("acpi_cpufreq_setpolicy\n");
239 237
240 result = cpufreq_frequency_table_target(policy, 238 result = cpufreq_frequency_table_target(policy,
241 data->freq_table, target_freq, relation, &next_state); 239 data->freq_table, target_freq, relation, &next_state);
@@ -255,7 +253,7 @@ acpi_cpufreq_verify (
255 unsigned int result = 0; 253 unsigned int result = 0;
256 struct cpufreq_acpi_io *data = acpi_io_data[policy->cpu]; 254 struct cpufreq_acpi_io *data = acpi_io_data[policy->cpu];
257 255
258 dprintk("acpi_cpufreq_verify\n"); 256 pr_debug("acpi_cpufreq_verify\n");
259 257
260 result = cpufreq_frequency_table_verify(policy, 258 result = cpufreq_frequency_table_verify(policy,
261 data->freq_table); 259 data->freq_table);
@@ -273,7 +271,7 @@ acpi_cpufreq_cpu_init (
273 struct cpufreq_acpi_io *data; 271 struct cpufreq_acpi_io *data;
274 unsigned int result = 0; 272 unsigned int result = 0;
275 273
276 dprintk("acpi_cpufreq_cpu_init\n"); 274 pr_debug("acpi_cpufreq_cpu_init\n");
277 275
278 data = kzalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL); 276 data = kzalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL);
279 if (!data) 277 if (!data)
@@ -288,7 +286,7 @@ acpi_cpufreq_cpu_init (
288 286
289 /* capability check */ 287 /* capability check */
290 if (data->acpi_data.state_count <= 1) { 288 if (data->acpi_data.state_count <= 1) {
291 dprintk("No P-States\n"); 289 pr_debug("No P-States\n");
292 result = -ENODEV; 290 result = -ENODEV;
293 goto err_unreg; 291 goto err_unreg;
294 } 292 }
@@ -297,7 +295,7 @@ acpi_cpufreq_cpu_init (
297 ACPI_ADR_SPACE_FIXED_HARDWARE) || 295 ACPI_ADR_SPACE_FIXED_HARDWARE) ||
298 (data->acpi_data.status_register.space_id != 296 (data->acpi_data.status_register.space_id !=
299 ACPI_ADR_SPACE_FIXED_HARDWARE)) { 297 ACPI_ADR_SPACE_FIXED_HARDWARE)) {
300 dprintk("Unsupported address space [%d, %d]\n", 298 pr_debug("Unsupported address space [%d, %d]\n",
301 (u32) (data->acpi_data.control_register.space_id), 299 (u32) (data->acpi_data.control_register.space_id),
302 (u32) (data->acpi_data.status_register.space_id)); 300 (u32) (data->acpi_data.status_register.space_id));
303 result = -ENODEV; 301 result = -ENODEV;
@@ -348,7 +346,7 @@ acpi_cpufreq_cpu_init (
348 "activated.\n", cpu); 346 "activated.\n", cpu);
349 347
350 for (i = 0; i < data->acpi_data.state_count; i++) 348 for (i = 0; i < data->acpi_data.state_count; i++)
351 dprintk(" %cP%d: %d MHz, %d mW, %d uS, %d uS, 0x%x 0x%x\n", 349 pr_debug(" %cP%d: %d MHz, %d mW, %d uS, %d uS, 0x%x 0x%x\n",
352 (i == data->acpi_data.state?'*':' '), i, 350 (i == data->acpi_data.state?'*':' '), i,
353 (u32) data->acpi_data.states[i].core_frequency, 351 (u32) data->acpi_data.states[i].core_frequency,
354 (u32) data->acpi_data.states[i].power, 352 (u32) data->acpi_data.states[i].power,
@@ -383,7 +381,7 @@ acpi_cpufreq_cpu_exit (
383{ 381{
384 struct cpufreq_acpi_io *data = acpi_io_data[policy->cpu]; 382 struct cpufreq_acpi_io *data = acpi_io_data[policy->cpu];
385 383
386 dprintk("acpi_cpufreq_cpu_exit\n"); 384 pr_debug("acpi_cpufreq_cpu_exit\n");
387 385
388 if (data) { 386 if (data) {
389 cpufreq_frequency_table_put_attr(policy->cpu); 387 cpufreq_frequency_table_put_attr(policy->cpu);
@@ -418,7 +416,7 @@ static struct cpufreq_driver acpi_cpufreq_driver = {
418static int __init 416static int __init
419acpi_cpufreq_init (void) 417acpi_cpufreq_init (void)
420{ 418{
421 dprintk("acpi_cpufreq_init\n"); 419 pr_debug("acpi_cpufreq_init\n");
422 420
423 return cpufreq_register_driver(&acpi_cpufreq_driver); 421 return cpufreq_register_driver(&acpi_cpufreq_driver);
424} 422}
@@ -427,7 +425,7 @@ acpi_cpufreq_init (void)
427static void __exit 425static void __exit
428acpi_cpufreq_exit (void) 426acpi_cpufreq_exit (void)
429{ 427{
430 dprintk("acpi_cpufreq_exit\n"); 428 pr_debug("acpi_cpufreq_exit\n");
431 429
432 cpufreq_unregister_driver(&acpi_cpufreq_driver); 430 cpufreq_unregister_driver(&acpi_cpufreq_driver);
433 return; 431 return;