ACPI: remove dead code
Stephen Hemminger [Mon, 18 Oct 2010 15:42:48 +0000 (08:42 -0700)]
Found by running make namespacecheck on linux-next

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/osl.c
drivers/acpi/processor_driver.c
drivers/acpi/processor_thermal.c
include/acpi/acpi_drivers.h
include/acpi/acpiosxf.h
include/linux/acpi.h

index 65b25a3..82097fd 100644 (file)
@@ -780,16 +780,6 @@ void acpi_os_wait_events_complete(void *context)
 EXPORT_SYMBOL(acpi_os_wait_events_complete);
 
 /*
- * Allocate the memory for a spinlock and initialize it.
- */
-acpi_status acpi_os_create_lock(acpi_spinlock * handle)
-{
-       spin_lock_init(*handle);
-
-       return AE_OK;
-}
-
-/*
  * Deallocate the memory for a spinlock.
  */
 void acpi_os_delete_lock(acpi_spinlock handle)
@@ -1152,21 +1142,6 @@ int acpi_check_region(resource_size_t start, resource_size_t n,
 }
 EXPORT_SYMBOL(acpi_check_region);
 
-int acpi_check_mem_region(resource_size_t start, resource_size_t n,
-                     const char *name)
-{
-       struct resource res = {
-               .start = start,
-               .end   = start + n - 1,
-               .name  = name,
-               .flags = IORESOURCE_MEM,
-       };
-
-       return acpi_check_resource_conflict(&res);
-
-}
-EXPORT_SYMBOL(acpi_check_mem_region);
-
 /*
  * Let drivers know whether the resource checks are effective
  */
index 347eb21..8d924a8 100644 (file)
@@ -899,6 +899,4 @@ static void __exit acpi_processor_exit(void)
 module_init(acpi_processor_init);
 module_exit(acpi_processor_exit);
 
-EXPORT_SYMBOL(acpi_processor_set_thermal_limit);
-
 MODULE_ALIAS("processor");
index 953b25f..419f651 100644 (file)
@@ -238,113 +238,6 @@ static int acpi_thermal_cpufreq_decrease(unsigned int cpu)
 
 #endif
 
-int acpi_processor_set_thermal_limit(acpi_handle handle, int type)
-{
-       int result = 0;
-       struct acpi_processor *pr = NULL;
-       struct acpi_device *device = NULL;
-       int tx = 0, max_tx_px = 0;
-
-
-       if ((type < ACPI_PROCESSOR_LIMIT_NONE)
-           || (type > ACPI_PROCESSOR_LIMIT_DECREMENT))
-               return -EINVAL;
-
-       result = acpi_bus_get_device(handle, &device);
-       if (result)
-               return result;
-
-       pr = acpi_driver_data(device);
-       if (!pr)
-               return -ENODEV;
-
-       /* Thermal limits are always relative to the current Px/Tx state. */
-       if (pr->flags.throttling)
-               pr->limit.thermal.tx = pr->throttling.state;
-
-       /*
-        * Our default policy is to only use throttling at the lowest
-        * performance state.
-        */
-
-       tx = pr->limit.thermal.tx;
-
-       switch (type) {
-
-       case ACPI_PROCESSOR_LIMIT_NONE:
-               do {
-                       result = acpi_thermal_cpufreq_decrease(pr->id);
-               } while (!result);
-               tx = 0;
-               break;
-
-       case ACPI_PROCESSOR_LIMIT_INCREMENT:
-               /* if going up: P-states first, T-states later */
-
-               result = acpi_thermal_cpufreq_increase(pr->id);
-               if (!result)
-                       goto end;
-               else if (result == -ERANGE)
-                       ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                                         "At maximum performance state\n"));
-
-               if (pr->flags.throttling) {
-                       if (tx == (pr->throttling.state_count - 1))
-                               ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                                                 "At maximum throttling state\n"));
-                       else
-                               tx++;
-               }
-               break;
-
-       case ACPI_PROCESSOR_LIMIT_DECREMENT:
-               /* if going down: T-states first, P-states later */
-
-               if (pr->flags.throttling) {
-                       if (tx == 0) {
-                               max_tx_px = 1;
-                               ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                                                 "At minimum throttling state\n"));
-                       } else {
-                               tx--;
-                               goto end;
-                       }
-               }
-
-               result = acpi_thermal_cpufreq_decrease(pr->id);
-               if (result) {
-                       /*
-                        * We only could get -ERANGE, 1 or 0.
-                        * In the first two cases we reached max freq again.
-                        */
-                       ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                                         "At minimum performance state\n"));
-                       max_tx_px = 1;
-               } else
-                       max_tx_px = 0;
-
-               break;
-       }
-
-      end:
-       if (pr->flags.throttling) {
-               pr->limit.thermal.px = 0;
-               pr->limit.thermal.tx = tx;
-
-               result = acpi_processor_apply_limit(pr);
-               if (result)
-                       printk(KERN_ERR PREFIX "Unable to set thermal limit\n");
-
-               ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Thermal limit now (P%d:T%d)\n",
-                                 pr->limit.thermal.px, pr->limit.thermal.tx));
-       } else
-               result = 0;
-       if (max_tx_px)
-               return 1;
-       else
-               return result;
-}
-
 int acpi_processor_get_limit_info(struct acpi_processor *pr)
 {
 
index 23d78b4..3090471 100644 (file)
@@ -115,8 +115,6 @@ void pci_acpi_crs_quirks(void);
 #define ACPI_PROCESSOR_LIMIT_INCREMENT 0x01
 #define ACPI_PROCESSOR_LIMIT_DECREMENT 0x02
 
-int acpi_processor_set_thermal_limit(acpi_handle handle, int type);
-
 /*--------------------------------------------------------------------------
                                   Dock Station
   -------------------------------------------------------------------------- */
index 29bf945..782acdf 100644 (file)
@@ -98,8 +98,6 @@ acpi_os_table_override(struct acpi_table_header *existing_table,
 /*
  * Spinlock primitives
  */
-acpi_status acpi_os_create_lock(acpi_spinlock * out_handle);
-
 void acpi_os_delete_lock(acpi_spinlock handle);
 
 acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
index c227757..659c743 100644 (file)
@@ -245,8 +245,6 @@ int acpi_check_resource_conflict(const struct resource *res);
 
 int acpi_check_region(resource_size_t start, resource_size_t n,
                      const char *name);
-int acpi_check_mem_region(resource_size_t start, resource_size_t n,
-                     const char *name);
 
 int acpi_resources_are_enforced(void);
 
@@ -344,12 +342,6 @@ static inline int acpi_check_region(resource_size_t start, resource_size_t n,
        return 0;
 }
 
-static inline int acpi_check_mem_region(resource_size_t start,
-                                       resource_size_t n, const char *name)
-{
-       return 0;
-}
-
 struct acpi_table_header;
 static inline int acpi_table_parse(char *id,
                                int (*handler)(struct acpi_table_header *))