From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
This patch adds the possibility to disable the tx_power calibration.
In 5000 HW, this calibration is implemented in uCode, hence, it is
disabled in driver by default.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-4965.c | 5 +++--
drivers/net/wireless/iwlwifi/iwl-5000.c | 7 +++++++
drivers/net/wireless/iwlwifi/iwl-debug.h | 1 +
drivers/net/wireless/iwlwifi/iwl-debugfs.c | 2 ++
drivers/net/wireless/iwlwifi/iwl-dev.h | 1 +
5 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index be6b6eb..6d249bb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2103,8 +2103,9 @@ void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
priv->temperature = temp;
set_bit(STATUS_TEMPERATURE, &priv->status);
- if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
- iwl4965_is_temp_calib_needed(priv))
+ if (!priv->disable_tx_power_cal &&
+ unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
+ iwl4965_is_temp_calib_needed(priv))
queue_work(priv->workqueue, &priv->txpower_work);
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index fc8ad73..31ea363 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1229,6 +1229,12 @@ static u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len)
return len;
}
+static void iwl5000_setup_deferred_work(struct iwl_priv *priv)
+{
+ /* in 5000 the tx power calibration is done in uCode */
+ priv->disable_tx_power_cal = 1;
+}
+
static void iwl5000_rx_handler_setup(struct iwl_priv *priv)
{
/* init calibration handlers */
@@ -1313,6 +1319,7 @@ static struct iwl_lib_ops iwl5000_lib = {
.txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
.txq_set_sched = iwl5000_txq_set_sched,
.rx_handler_setup = iwl5000_rx_handler_setup,
+ .setup_deferred_work = iwl5000_setup_deferred_work,
.is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
.load_ucode = iwl5000_load_ucode,
.init_alive_start = iwl5000_init_alive_start,
diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 48563a0..5838480 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -57,6 +57,7 @@ struct iwl_debugfs {
struct dir_rf_files {
struct dentry *file_disable_sensitivity;
struct dentry *file_disable_chain_noise;
+ struct dentry *file_disable_tx_power;
} dbgfs_rf_files;
u32 sram_offset;
u32 sram_len;
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index da6dcb2..ed948dc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -388,6 +388,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
&priv->disable_chain_noise_cal);
+ DEBUGFS_ADD_BOOL(disable_tx_power, rf, &priv->disable_tx_power_cal);
return 0;
err:
@@ -415,6 +416,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
DEBUGFS_REMOVE(priv->dbgfs->dir_data);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
+ DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
kfree(priv->dbgfs);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 9e5a7cd..bf4b883 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1204,6 +1204,7 @@ struct iwl_priv {
struct work_struct txpower_work;
u32 disable_sens_cal;
u32 disable_chain_noise_cal;
+ u32 disable_tx_power_cal;
struct work_struct run_time_calib_work;
struct timer_list statistics_periodic;
}; /*iwl_priv */
--
1.5.3.6
--
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