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path: root/drivers/net/wireless/iwlwifi/iwl-power.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-power.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-power.c38
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.
*/