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iwlagn: add module parameter to disable stuck queue watchdog timer

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Add the parameter to disable stuck queue watchdog timer, different platforms
might have different timing. Provide the option to disable the timer to prevent
un-necessary firmware reload.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
Wey-Yi Guy 2011-06-25 09:17:41 -07:00
parent 54e9c409a5
commit 300d0834eb
3 changed files with 6 additions and 1 deletions
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4
drivers/net/wireless/iwlwifi/iwl-agn.c
View file

@ -3820,6 +3820,10 @@ MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");
module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO);
MODULE_PARM_DESC(wd_disable,
"Disable stuck queue watchdog timer (default: 0 [enabled])");
/*
* set bt_coex_active to true, uCode will do kill/defer
* every time the priority line is asserted (BT is sending signals on the

2
drivers/net/wireless/iwlwifi/iwl-core.c
View file

@ -1853,7 +1853,7 @@ void iwl_setup_watchdog(struct iwl_priv *priv)
{
unsigned int timeout = priv->cfg->base_params->wd_timeout;
if (timeout)
if (timeout && !iwlagn_mod_params.wd_disable)
mod_timer(&priv->watchdog,
jiffies + msecs_to_jiffies(IWL_WD_TICK(timeout)));
else

1
drivers/net/wireless/iwlwifi/iwl-core.h
View file

@ -160,6 +160,7 @@ struct iwl_mod_params {
int restart_fw; /* def: 1 = restart firmware */
bool plcp_check; /* def: true = enable plcp health check */
bool ack_check; /* def: false = disable ack health check */
bool wd_disable; /* def: false = enable stuck queue check */
bool bt_coex_active; /* def: true = enable bt coex */
int led_mode; /* def: 0 = system default */
bool no_sleep_autoadjust; /* def: true = disable autoadjust */