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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2009-07-24 11:13:02 -0700
committerJohn W. Linville <linville@tuxdriver.com>2009-07-27 15:24:20 -0400
commit39b73fb15e4704fd4d1e33688135810637f5f3fb (patch)
treed0efed58f5a52ccdc19d8f133aa64af7a0691e70 /drivers/net/wireless/iwlwifi/iwl-5000.c
parent672639de13c4db92ed6a47e68043a4317e219902 (diff)
iwlwifi: Thermal Throttling Management - Part 1
Part 1 of Thermal Throttling Management - Thermal Throttling feature is used to put NIC into low power state when driver detect the Radio temperature reach pre-defined threshold Two Thermal Throttling Management Methods; this patch introduce the Legacy Thermal Management: IWL_TI_0: normal temperature, system power state IWL_TI_1: high temperature detect, low power state IWL_TI_2: higher temperature detected, lower power state IWL_TI_CT_KILL: critical temperature detected, lowest power state Once get into CT_KILL state, uCode go into sleep, driver will stop all the active queues, then move to IWL_TI_CT_KILL state; also set up 5 seconds timer to toggle CSR flag, uCode wake up upon CSR flag change, then measure the temperature. If temperature is above CT_KILL exit threshold, uCode go backto sleep; if temperature is below CT_KILL exit threshold, uCode send Card State Notification response with appropriate CT_KILL status flag, and uCode remain awake, Driver receive Card State Notification Response and update the card temperature to the CT_KILL exit threshold. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-5000.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 076acb13ba6..ddd64fef303 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1405,6 +1405,7 @@ void iwl5000_temperature(struct iwl_priv *priv)
{
/* store temperature from statistics (in Celsius) */
priv->temperature = le32_to_cpu(priv->statistics.general.temperature);
+ iwl_tt_handler(priv);
}
static void iwl5150_temperature(struct iwl_priv *priv)