From 5ba8b1c6fe40c314a02e28553c25552d8f1442e7 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 18 Oct 2010 08:42:48 -0700 Subject: ACPI: remove dead code Found by running make namespacecheck on linux-next Signed-off-by: Stephen Hemminger Signed-off-by: Len Brown --- drivers/acpi/processor_thermal.c | 107 --------------------------------------- 1 file changed, 107 deletions(-) (limited to 'drivers/acpi/processor_thermal.c') diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index 953b25fb9869..419f651b63f3 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) { -- cgit v1.2.3