diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-power.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-power.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index 60a03d2d2d0..75ca6a54217 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -22,7 +22,7 @@ * file called LICENSE. * * Contact Information: - * James P. Ketrenos <ipw2100-admin@linux.intel.com> + * Intel Linux Wireless <ilw@linux.intel.com> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *****************************************************************************/ @@ -39,7 +39,6 @@ #include "iwl-commands.h" #include "iwl-debug.h" #include "iwl-power.h" -#include "iwl-helpers.h" /* * Setting power level allow the card to go to sleep when not busy @@ -80,7 +79,7 @@ #define IWL_REDUCED_POWER_TEMPERATURE 95 /* default power management (not Tx power) table values */ -/* for tim 0-10 */ +/* for TIM 0-10 */ static struct iwl_power_vec_entry range_0[IWL_POWER_MAX] = { {{NOSLP, SLP_TOUT(0), SLP_TOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 2, 2, 0xFF)}, 0}, @@ -91,7 +90,7 @@ static struct iwl_power_vec_entry range_0[IWL_POWER_MAX] = { }; -/* for tim = 3-10 */ +/* for TIM = 3-10 */ static struct iwl_power_vec_entry range_1[IWL_POWER_MAX] = { {{NOSLP, SLP_TOUT(0), SLP_TOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 3, 4, 4)}, 0}, @@ -101,7 +100,7 @@ static struct iwl_power_vec_entry range_1[IWL_POWER_MAX] = { {{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(2, 4, 7, 10, 10)}, 2} }; -/* for tim > 11 */ +/* for TIM > 11 */ static struct iwl_power_vec_entry range_2[IWL_POWER_MAX] = { {{NOSLP, SLP_TOUT(0), SLP_TOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 3, 4, 0xFF)}, 0}, @@ -183,7 +182,7 @@ static int iwl_power_init_handle(struct iwl_priv *priv) return 0; } -/* adjust power command according to dtim period and power level*/ +/* adjust power command according to DTIM period and power level*/ static int iwl_update_power_command(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd, u16 mode) @@ -257,15 +256,11 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) struct iwl_power_mgr *setting = &(priv->power_data); int ret = 0; u16 uninitialized_var(final_mode); + bool update_chains; /* Don't update the RX chain when chain noise calibration is running */ - if (priv->chain_noise_data.state != IWL_CHAIN_NOISE_DONE && - priv->chain_noise_data.state != IWL_CHAIN_NOISE_ALIVE) { - IWL_DEBUG_POWER("Cannot update the power, chain noise " - "calibration running: %d\n", - priv->chain_noise_data.state); - return -EAGAIN; - } + update_chains = priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE || + priv->chain_noise_data.state == IWL_CHAIN_NOISE_ALIVE; /* If on battery, set to 3, * if plugged into AC power, set to CAM ("continuously aware mode"), @@ -313,9 +308,12 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) else set_bit(STATUS_POWER_PMI, &priv->status); - if (priv->cfg->ops->lib->update_chain_flags) + if (priv->cfg->ops->lib->update_chain_flags && update_chains) priv->cfg->ops->lib->update_chain_flags(priv); - + else + IWL_DEBUG_POWER("Cannot update the power, chain noise " + "calibration running: %d\n", + priv->chain_noise_data.state); if (!ret) setting->power_mode = final_mode; } @@ -325,7 +323,7 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) EXPORT_SYMBOL(iwl_power_update_mode); /* Allow other iwl code to disable/enable power management active - * this will be usefull for rate scale to disable PM during heavy + * this will be useful for rate scale to disable PM during heavy * Tx/Rx activities */ int iwl_power_disable_management(struct iwl_priv *priv, u32 ms) @@ -352,8 +350,8 @@ int iwl_power_disable_management(struct iwl_priv *priv, u32 ms) EXPORT_SYMBOL(iwl_power_disable_management); /* Allow other iwl code to disable/enable power management active - * this will be usefull for rate scale to disable PM during hight - * valume activities + * this will be useful for rate scale to disable PM during high + * volume activities */ int iwl_power_enable_management(struct iwl_priv *priv) { @@ -391,7 +389,7 @@ int iwl_power_set_system_mode(struct iwl_priv *priv, u16 mode) } EXPORT_SYMBOL(iwl_power_set_system_mode); -/* initilize to default */ +/* initialize to default */ void iwl_power_initialize(struct iwl_priv *priv) { @@ -443,7 +441,7 @@ static void iwl_bg_set_power_save(struct work_struct *work) mutex_lock(&priv->mutex); - /* on starting association we disable power managment + /* on starting association we disable power management * until association, if association failed then this * timer will expire and enable PM again. */ |