1 files changed, 38 insertions, 49 deletions

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 5c24ac45717c..14a00e5a8f6a 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -108,10 +108,9 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
         acpi_status status = 0;
         unsigned long ppc = 0;
 
-        ACPI_FUNCTION_TRACE("acpi_processor_get_platform_limit");
 
         if (!pr)
-                return_VALUE(-EINVAL);
+                return -EINVAL;
 
         /*
          * _PPC indicates the maximum state currently supported by the platform
@@ -124,12 +123,12 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
 
         if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
                 ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PPC"));
-                return_VALUE(-ENODEV);
+                return -ENODEV;
         }
 
         pr->performance_platform_limit = (int)ppc;
 
-        return_VALUE(0);
+        return 0;
 }
 
 int acpi_processor_ppc_has_changed(struct acpi_processor *pr)
@@ -168,12 +167,11 @@ static int acpi_processor_get_performance_control(struct acpi_processor *pr)
         union acpi_object *pct = NULL;
         union acpi_object obj = { 0 };
 
-        ACPI_FUNCTION_TRACE("acpi_processor_get_performance_control");
 
         status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer);
         if (ACPI_FAILURE(status)) {
                 ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PCT"));
-                return_VALUE(-ENODEV);
+                return -ENODEV;
         }
 
         pct = (union acpi_object *)buffer.pointer;
@@ -220,7 +218,7 @@ static int acpi_processor_get_performance_control(struct acpi_processor *pr)
       end:
         acpi_os_free(buffer.pointer);
 
-        return_VALUE(result);
+        return result;
 }
 
 static int acpi_processor_get_performance_states(struct acpi_processor *pr)
@@ -233,12 +231,11 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
         union acpi_object *pss = NULL;
         int i;
 
-        ACPI_FUNCTION_TRACE("acpi_processor_get_performance_states");
 
         status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer);
         if (ACPI_FAILURE(status)) {
                 ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PSS"));
-                return_VALUE(-ENODEV);
+                return -ENODEV;
         }
 
         pss = (union acpi_object *)buffer.pointer;
@@ -299,7 +296,7 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
       end:
         acpi_os_free(buffer.pointer);
 
-        return_VALUE(result);
+        return result;
 }
 
 static int acpi_processor_get_performance_info(struct acpi_processor *pr)
@@ -308,31 +305,30 @@ static int acpi_processor_get_performance_info(struct acpi_processor *pr)
         acpi_status status = AE_OK;
         acpi_handle handle = NULL;
 
-        ACPI_FUNCTION_TRACE("acpi_processor_get_performance_info");
 
         if (!pr || !pr->performance || !pr->handle)
-                return_VALUE(-EINVAL);
+                return -EINVAL;
 
         status = acpi_get_handle(pr->handle, "_PCT", &handle);
         if (ACPI_FAILURE(status)) {
                 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                   "ACPI-based processor performance control unavailable\n"));
-                return_VALUE(-ENODEV);
+                return -ENODEV;
         }
 
         result = acpi_processor_get_performance_control(pr);
         if (result)
-                return_VALUE(result);
+                return result;
 
         result = acpi_processor_get_performance_states(pr);
         if (result)
-                return_VALUE(result);
+                return result;
 
         result = acpi_processor_get_platform_limit(pr);
         if (result)
-                return_VALUE(result);
+                return result;
 
-        return_VALUE(0);
+        return 0;
 }
 
 int acpi_processor_notify_smm(struct module *calling_module)
@@ -340,13 +336,12 @@ int acpi_processor_notify_smm(struct module *calling_module)
         acpi_status status;
         static int is_done = 0;
 
-        ACPI_FUNCTION_TRACE("acpi_processor_notify_smm");
 
         if (!(acpi_processor_ppc_status & PPC_REGISTERED))
-                return_VALUE(-EBUSY);
+                return -EBUSY;
 
         if (!try_module_get(calling_module))
-                return_VALUE(-EINVAL);
+                return -EINVAL;
 
         /* is_done is set to negative if an error occured,
          * and to postitive if _no_ error occured, but SMM
@@ -355,10 +350,10 @@ int acpi_processor_notify_smm(struct module *calling_module)
          */
         if (is_done > 0) {
                 module_put(calling_module);
-                return_VALUE(0);
+                return 0;
         } else if (is_done < 0) {
                 module_put(calling_module);
-                return_VALUE(is_done);
+                return is_done;
         }
 
         is_done = -EIO;
@@ -367,7 +362,7 @@ int acpi_processor_notify_smm(struct module *calling_module)
         if ((!acpi_fadt.smi_cmd) || (!acpi_fadt.pstate_cnt)) {
                 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No SMI port or pstate_cnt\n"));
                 module_put(calling_module);
-                return_VALUE(0);
+                return 0;
         }
 
         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -389,7 +384,7 @@ int acpi_processor_notify_smm(struct module *calling_module)
                                 "smi_cmd [0x%x]", acpi_fadt.pstate_cnt,
                                 acpi_fadt.smi_cmd));
                 module_put(calling_module);
-                return_VALUE(status);
+                return status;
         }
 
         /* Success. If there's no _PPC, we need to fear nothing, so
@@ -399,7 +394,7 @@ int acpi_processor_notify_smm(struct module *calling_module)
         if (!(acpi_processor_ppc_status & PPC_IN_USE))
                 module_put(calling_module);
 
-        return_VALUE(0);
+        return 0;
 }
 
 EXPORT_SYMBOL(acpi_processor_notify_smm);
@@ -420,7 +415,6 @@ static int acpi_processor_perf_seq_show(struct seq_file *seq, void *offset)
         struct acpi_processor *pr = (struct acpi_processor *)seq->private;
         int i;
 
-        ACPI_FUNCTION_TRACE("acpi_processor_perf_seq_show");
 
         if (!pr)
                 goto end;
@@ -444,7 +438,7 @@ static int acpi_processor_perf_seq_show(struct seq_file *seq, void *offset)
                            (u32) pr->performance->states[i].transition_latency);
 
       end:
-        return_VALUE(0);
+        return 0;
 }
 
 static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file)
@@ -466,23 +460,22 @@ acpi_processor_write_performance(struct file *file,
         unsigned int new_state = 0;
         struct cpufreq_policy policy;
 
-        ACPI_FUNCTION_TRACE("acpi_processor_write_performance");
 
         if (!pr || (count > sizeof(state_string) - 1))
-                return_VALUE(-EINVAL);
+                return -EINVAL;
 
         perf = pr->performance;
         if (!perf)
-                return_VALUE(-EINVAL);
+                return -EINVAL;
 
         if (copy_from_user(state_string, buffer, count))
-                return_VALUE(-EFAULT);
+                return -EFAULT;
 
         state_string[count] = '\0';
         new_state = simple_strtoul(state_string, NULL, 0);
 
         if (new_state >= perf->state_count)
-                return_VALUE(-EINVAL);
+                return -EINVAL;
 
         cpufreq_get_policy(&policy, pr->id);
 
@@ -492,9 +485,9 @@ acpi_processor_write_performance(struct file *file,
 
         result = cpufreq_set_policy(&policy);
         if (result)
-                return_VALUE(result);
+                return result;
 
-        return_VALUE(count);
+        return count;
 }
 
 static void acpi_cpufreq_add_file(struct acpi_processor *pr)
@@ -502,10 +495,9 @@ static void acpi_cpufreq_add_file(struct acpi_processor *pr)
         struct proc_dir_entry *entry = NULL;
         struct acpi_device *device = NULL;
 
-        ACPI_FUNCTION_TRACE("acpi_cpufreq_addfile");
 
         if (acpi_bus_get_device(pr->handle, &device))
-                return_VOID;
+                return;
 
         /* add file 'performance' [R/W] */
         entry = create_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE,
@@ -517,23 +509,22 @@ static void acpi_cpufreq_add_file(struct acpi_processor *pr)
                 entry->data = acpi_driver_data(device);
                 entry->owner = THIS_MODULE;
         }
-        return_VOID;
+        return;
 }
 
 static void acpi_cpufreq_remove_file(struct acpi_processor *pr)
 {
         struct acpi_device *device = NULL;
 
-        ACPI_FUNCTION_TRACE("acpi_cpufreq_addfile");
 
         if (acpi_bus_get_device(pr->handle, &device))
-                return_VOID;
+                return;
 
         /* remove file 'performance' */
         remove_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE,
                           acpi_device_dir(device));
 
-        return_VOID;
+        return;
 }
 
 #else
@@ -777,22 +768,21 @@ acpi_processor_register_performance(struct acpi_processor_performance
 {
         struct acpi_processor *pr;
 
-        ACPI_FUNCTION_TRACE("acpi_processor_register_performance");
 
         if (!(acpi_processor_ppc_status & PPC_REGISTERED))
-                return_VALUE(-EINVAL);
+                return -EINVAL;
 
         mutex_lock(&performance_mutex);
 
         pr = processors[cpu];
         if (!pr) {
                 mutex_unlock(&performance_mutex);
-                return_VALUE(-ENODEV);
+                return -ENODEV;
         }
 
         if (pr->performance) {
                 mutex_unlock(&performance_mutex);
-                return_VALUE(-EBUSY);
+                return -EBUSY;
         }
 
         WARN_ON(!performance);
@@ -802,13 +792,13 @@ acpi_processor_register_performance(struct acpi_processor_performance
         if (acpi_processor_get_performance_info(pr)) {
                 pr->performance = NULL;
                 mutex_unlock(&performance_mutex);
-                return_VALUE(-EIO);
+                return -EIO;
         }
 
         acpi_cpufreq_add_file(pr);
 
         mutex_unlock(&performance_mutex);
-        return_VALUE(0);
+        return 0;
 }
 
 EXPORT_SYMBOL(acpi_processor_register_performance);
@@ -819,14 +809,13 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
 {
         struct acpi_processor *pr;
 
-        ACPI_FUNCTION_TRACE("acpi_processor_unregister_performance");
 
         mutex_lock(&performance_mutex);
 
         pr = processors[cpu];
         if (!pr) {
                 mutex_unlock(&performance_mutex);
-                return_VOID;
+                return;
         }
 
         if (pr->performance)
@@ -837,7 +826,7 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
 
         mutex_unlock(&performance_mutex);
 
-        return_VOID;
+        return;
 }
 
 EXPORT_SYMBOL(acpi_processor_unregister_performance);