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authorJohannes Berg <johannes.berg@intel.com>2012-04-09 17:46:54 -0700
committerJohn W. Linville <linville@tuxdriver.com>2012-04-12 15:06:08 -0400
commit7c5ba4a830cbb730770129b0004e2a06e47dbac5 (patch)
tree3c86c616dbe30b31cd07d9d8720092932f84d05b /drivers/net/wireless/iwlwifi/iwl-dev.h
parent52bcbff762a4cfedf97c46a58ec9890464212420 (diff)
iwlwifi: move queue watchdog into transport
This removes one of the two sources of device restarts in the upper layer -- those are a bit inconvenient because normal restarts originate in the transport. By moving the watchdog down it can be treated the same. Also rewrite the watchdog logic. Timers are much more efficient when they never fire, so instead firing a timer every 500ms set up a timer for each TX queue and fire it only when the queue is really stuck. This avoids the CPU waking up when everything is working well. While at it, remove the wd_disable config item and replace it by simply setting wd_timeout to IWL_WATCHHDOG_DISABLED (0). Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-dev.h')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 99be58940e2..780bcf3f6ff 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -585,6 +585,7 @@ struct iwl_event_log {
#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
/* TX queue watchdog timeouts in mSecs */
+#define IWL_WATCHHDOG_DISABLED (0)
#define IWL_DEF_WD_TIMEOUT (2000)
#define IWL_LONG_WD_TIMEOUT (10000)
#define IWL_MAX_WD_TIMEOUT (120000)
@@ -973,7 +974,6 @@ struct iwl_priv {
struct work_struct run_time_calib_work;
struct timer_list statistics_periodic;
struct timer_list ucode_trace;
- struct timer_list watchdog;
struct iwl_event_log event_log;