From: Stephen Hemminger Date: Mon, 18 Oct 2010 15:42:48 +0000 (-0700) Subject: ACPI: remove dead code X-Git-Tag: v2.6.37-rc1~100^2^2~5 X-Git-Url: http://bbs.cooldavid.org/git/?a=commitdiff_plain;h=5ba8b1c6fe40c314a02e28553c25552d8f1442e7;p=net-next-2.6.git ACPI: remove dead code Found by running make namespacecheck on linux-next Signed-off-by: Stephen Hemminger Signed-off-by: Len Brown --- diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 65b25a303b8..82097fd5a75 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -779,16 +779,6 @@ 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. */ @@ -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 */ diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 347eb21b235..8d924a8e4e0 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -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"); diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index 953b25fb986..419f651b63f 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -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) { diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h index 23d78b4d088..3090471b2a5 100644 --- a/include/acpi/acpi_drivers.h +++ b/include/acpi/acpi_drivers.h @@ -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 -------------------------------------------------------------------------- */ diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h index 29bf945143e..782acdf0286 100644 --- a/include/acpi/acpiosxf.h +++ b/include/acpi/acpiosxf.h @@ -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); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index c227757feb0..659c743b63e 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -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 *))