iwlwifi: removes the RUN_TIME_CALIB ifdef

This patch removes the possibility not to compile the run time
calibrations. It also renames priv->sensitivity_work to
priv->run_time_calib_work, and moves bg_run_time_calib to iwl4965_base
since it is common to both: 4965 and 5000.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index b992428ab4db35d9c4703c410cd90a6599fafd15..a382c00789239e24eadc20679ac57b930455b221 100644 (file)
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -14,15 +14,6 @@ config IWLWIFI_LEDS
        bool
        default n
 
-config IWLWIFI_RUN_TIME_CALIB
-       bool
-       depends on IWLCORE
-       default n
-       ---help---
-         This option will enable run time calibration for the iwlwifi driver.
-         These calibrations are Sensitivity and Chain Noise.
-
-
 config IWLWIFI_RFKILL
        boolean "IWLWIFI RF kill support"
        depends on IWLCORE
@@ -68,15 +59,6 @@ config IWL4965_SPECTRUM_MEASUREMENT
        ---help---
          This option will enable spectrum measurement for the iwl4965 driver.
 
-config IWL4965_RUN_TIME_CALIB
-       bool "Enable run time Calibration for 4965 NIC"
-       select IWLWIFI_RUN_TIME_CALIB
-       depends on IWL4965
-       default y
-       ---help---
-         This option will enable run time calibration for the iwl4965 driver.
-         These calibrations are Sensitivity and Chain Noise. If unsure, say yes
-
 config IWLWIFI_DEBUG
        bool "Enable full debugging output in iwl4965 driver"
        depends on IWL4965
@@ -110,16 +92,6 @@ config IWL5000
          This option enables support for Intel Wireless WiFi Link 5000AGN Family
          Dependency on 4965 is temporary
 
-config IWL5000_RUN_TIME_CALIB
-       bool "Enable run time Calibration for 5000 NIC"
-       select IWLWIFI_RUN_TIME_CALIB
-       depends on IWL5000
-       default y
-       ---help---
-         This option will enable run time calibration for the iwl5000 driver.
-         These calibrations are Sensitivity and Chain Noise. If unsure, say yes
-
-
 config IWLWIFI_DEBUGFS
         bool "Iwlwifi debugfs support"
         depends on IWLCORE && IWLWIFI_DEBUG && MAC80211_DEBUGFS

diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile
index 5c73eede719307c549100fd4597283ad7658ce31..184fdeec360628b278aba37e7dfa3afc875d63bc 100644 (file)
--- a/drivers/net/wireless/iwlwifi/Makefile
+++ b/drivers/net/wireless/iwlwifi/Makefile
@@ -1,10 +1,9 @@
 obj-$(CONFIG_IWLCORE)  += iwlcore.o
-iwlcore-objs           := iwl-core.o iwl-eeprom.o iwl-hcmd.o iwl-power.o
+iwlcore-objs           := iwl-core.o iwl-eeprom.o iwl-hcmd.o iwl-power.o iwl-calib.o
 iwlcore-objs           += iwl-rx.o iwl-tx.o iwl-sta.o
 iwlcore-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o
 iwlcore-$(CONFIG_IWLWIFI_LEDS) += iwl-led.o
 iwlcore-$(CONFIG_IWLWIFI_RFKILL) += iwl-rfkill.o
-iwlcore-$(CONFIG_IWLWIFI_RUN_TIME_CALIB) += iwl-calib.o
 
 obj-$(CONFIG_IWL3945)  += iwl3945.o
 iwl3945-objs           := iwl3945-base.o iwl-3945.o iwl-3945-rs.o

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 84414da0bdeb25284318535d75d3ffe976cfd104..e2c2d9f3edb5ef798916024e5188970a5cd6624e 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -652,8 +652,6 @@ void iwl4965_rf_kill_ct_config(struct iwl_priv *priv)
                        cmd.critical_temperature_R);
 }
 
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
-
 /* Reset differential Rx gains in NIC to prepare for chain noise calibration.
  * Called after every association, but this runs only once!
  *  ... once chain noise is calibrated the first time, it's good forever.  */
@@ -741,30 +739,6 @@ static void iwl4965_gain_computation(struct iwl_priv *priv,
        data->beacon_count = 0;
 }
 
-static void iwl4965_bg_sensitivity_work(struct work_struct *work)
-{
-       struct iwl_priv *priv = container_of(work, struct iwl_priv,
-                       sensitivity_work);
-
-       mutex_lock(&priv->mutex);
-
-       if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
-           test_bit(STATUS_SCANNING, &priv->status)) {
-               mutex_unlock(&priv->mutex);
-               return;
-       }
-
-       if (priv->start_calib) {
-               iwl_chain_noise_calibration(priv, &priv->statistics);
-
-               iwl_sensitivity_calibration(priv, &priv->statistics);
-       }
-
-       mutex_unlock(&priv->mutex);
-       return;
-}
-#endif /*CONFIG_IWL4965_RUN_TIME_CALIB*/
-
 static void iwl4965_bg_txpower_work(struct work_struct *work)
 {
        struct iwl_priv *priv = container_of(work, struct iwl_priv,
@@ -920,7 +894,6 @@ int iwl4965_alive_notify(struct iwl_priv *priv)
        return ret;
 }
 
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
 static struct iwl_sensitivity_ranges iwl4965_sensitivity = {
        .min_nrg_cck = 97,
        .max_nrg_cck = 0,
@@ -943,7 +916,6 @@ static struct iwl_sensitivity_ranges iwl4965_sensitivity = {
        .nrg_th_cck = 100,
        .nrg_th_ofdm = 100,
 };
-#endif
 
 /**
  * iwl4965_hw_set_hw_params
@@ -983,9 +955,7 @@ int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
        priv->hw_params.valid_rx_ant = ANT_A | ANT_B;
        priv->hw_params.ct_kill_threshold = CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD);
 
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
        priv->hw_params.sens = &iwl4965_sensitivity;
-#endif
 
        return 0;
 }
@@ -2123,9 +2093,7 @@ void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
        if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
            (pkt->hdr.cmd == STATISTICS_NOTIFICATION)) {
                iwl4965_rx_calc_noise(priv);
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
-               queue_work(priv->workqueue, &priv->sensitivity_work);
-#endif
+               queue_work(priv->workqueue, &priv->run_time_calib_work);
        }
 
        iwl_leds_background(priv);
@@ -3504,9 +3472,6 @@ static void iwl4965_rx_handler_setup(struct iwl_priv *priv)
 void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv)
 {
        INIT_WORK(&priv->txpower_work, iwl4965_bg_txpower_work);
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
-       INIT_WORK(&priv->sensitivity_work, iwl4965_bg_sensitivity_work);
-#endif
        init_timer(&priv->statistics_periodic);
        priv->statistics_periodic.data = (unsigned long)priv;
        priv->statistics_periodic.function = iwl4965_bg_statistics_periodic;
@@ -3527,10 +3492,8 @@ static struct iwl_hcmd_ops iwl4965_hcmd = {
 static struct iwl_hcmd_utils_ops iwl4965_hcmd_utils = {
        .get_hcmd_size = iwl4965_get_hcmd_size,
        .build_addsta_hcmd = iwl4965_build_addsta_hcmd,
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
        .chain_noise_reset = iwl4965_chain_noise_reset,
        .gain_computation = iwl4965_gain_computation,
-#endif
 };
 
 static struct iwl_lib_ops iwl4965_lib = {

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 65484779bd3d70b5d97aad8af92d049a14089f7b..fc8ad7326edd5b053585ce0a899ab6b397376ea0 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -300,8 +300,6 @@ err:
 
 }
 
-#ifdef CONFIG_IWL5000_RUN_TIME_CALIB
-
 static void iwl5000_gain_computation(struct iwl_priv *priv,
                u32 average_noise[NUM_RX_CHAINS],
                u16 min_average_noise_antenna_i,
@@ -354,7 +352,6 @@ static void iwl5000_gain_computation(struct iwl_priv *priv,
        data->beacon_count = 0;
 }
 
-
 static void iwl5000_chain_noise_reset(struct iwl_priv *priv)
 {
        struct iwl_chain_noise_data *data = &priv->chain_noise_data;
@@ -393,10 +390,6 @@ static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
        .nrg_th_ofdm = 95,
 };
 
-#endif /* CONFIG_IWL5000_RUN_TIME_CALIB */
-
-
-
 static const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
                                           size_t offset)
 {
@@ -847,9 +840,7 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
        priv->hw_params.max_bsm_size = BSM_SRAM_SIZE;
        priv->hw_params.fat_channel =  BIT(IEEE80211_BAND_2GHZ) |
                                        BIT(IEEE80211_BAND_5GHZ);
-#ifdef CONFIG_IWL5000_RUN_TIME_CALIB
        priv->hw_params.sens = &iwl5000_sensitivity;
-#endif
 
        switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
        case CSR_HW_REV_TYPE_5100:
@@ -1309,10 +1300,8 @@ static struct iwl_hcmd_ops iwl5000_hcmd = {
 static struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
        .get_hcmd_size = iwl5000_get_hcmd_size,
        .build_addsta_hcmd = iwl5000_build_addsta_hcmd,
-#ifdef CONFIG_IWL5000_RUN_TIME_CALIB
        .gain_computation = iwl5000_gain_computation,
        .chain_noise_reset = iwl5000_chain_noise_reset,
-#endif
 };
 
 static struct iwl_lib_ops iwl5000_lib = {

diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c
index a6c7f0d9a414e70d5ac643ca38a7ce182874f4fc..72242a4ede8c60c6b2ec0050e594b38e5fe8699a 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.c
@@ -435,8 +435,6 @@ void iwl_init_sensitivity(struct iwl_priv *priv)
        data = &(priv->sensitivity_data);
 
        if (ranges == NULL)
-               /* can happen if IWLWIFI_RUN_TIME_CALIB is selected
-                * but no IWLXXXX_RUN_TIME_CALIB for specific is selected */
                return;
 
        memset(data, 0, sizeof(struct iwl_sensitivity_data));

diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.h b/drivers/net/wireless/iwlwifi/iwl-calib.h
index b8e57c59eac8d8dff969871421131c4e4f15869d..45f37cb2bfe25fb997c54dcef0844522fabd9019 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-calib.h
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.h
@@ -71,7 +71,6 @@
 #include "iwl-core.h"
 #include "iwl-dev.h"
 
-#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
 void iwl_chain_noise_calibration(struct iwl_priv *priv,
                                struct iwl4965_notif_statistics *stat_resp);
 void iwl_sensitivity_calibration(struct iwl_priv *priv,
@@ -86,24 +85,5 @@ static inline void iwl_chain_noise_reset(struct iwl_priv *priv)
            priv->cfg->ops->utils->chain_noise_reset)
                priv->cfg->ops->utils->chain_noise_reset(priv);
 }
-#else
-static inline void iwl_chain_noise_calibration(struct iwl_priv *priv,
-                               struct iwl4965_notif_statistics *stat_resp)
-{
-}
-static inline void iwl_sensitivity_calibration(struct iwl_priv *priv,
-                               struct iwl4965_notif_statistics *resp)
-{
-}
-static inline void iwl_init_sensitivity(struct iwl_priv *priv)
-{
-}
-static inline void iwl_chain_noise_reset(struct iwl_priv *priv)
-{
-}
-static inline void iwl_reset_run_time_calib(struct iwl_priv *priv)
-{
-}
-#endif
 
 #endif /* __iwl_calib_h__ */

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index d9c5bd13e78155a3df25f04ae9cc2389fd373d10..192cda24a411bb4483c075e936a54e94e2078184 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -88,13 +88,11 @@ struct iwl_hcmd_ops {
 struct iwl_hcmd_utils_ops {
        u16 (*get_hcmd_size)(u8 cmd_id, u16 len);
        u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data);
-#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
        void (*gain_computation)(struct iwl_priv *priv,
                        u32 *average_noise,
                        u16 min_average_noise_antennat_i,
                        u32 min_average_noise);
        void (*chain_noise_reset)(struct iwl_priv *priv);
-#endif
 };
 
 struct iwl_lib_ops {

diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 11de561c7bf8de069993fc0a111b0feaea8bd779..48563a07795abd36a40fa4b4edfc412e184c4827 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -55,10 +55,8 @@ struct iwl_debugfs {
                struct dentry *file_log_event;
        } dbgfs_data_files;
        struct dir_rf_files {
-#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
                struct dentry *file_disable_sensitivity;
                struct dentry *file_disable_chain_noise;
-#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
        } 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 d5f9df176bab1c46410bb5f5aff5fac14f768413..da6dcb20b5e845db813e1732b904fb6e66d9fe80 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -385,11 +385,9 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
        DEBUGFS_ADD_FILE(stations, data);
        DEBUGFS_ADD_FILE(rx_statistics, data);
        DEBUGFS_ADD_FILE(tx_statistics, data);
-#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
        DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
        DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
                         &priv->disable_chain_noise_cal);
-#endif  /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
        return 0;
 
 err:
@@ -415,10 +413,8 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
        DEBUGFS_REMOVE(priv->dbgfs->dir_data);
-#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
-#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
        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 59a6960f41b3713657d0bfd016df7e53643a7fc9..631931c155a1da87f892e3a77d0800e956bd4c60 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -602,9 +602,7 @@ struct iwl_hw_params {
        u32 max_data_size;
        u32 max_bsm_size;
        u32 ct_kill_threshold; /* value in hw-dependent units */
-#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
        const struct iwl_sensitivity_ranges *sens;
-#endif
 };
 
 #define HT_SHORT_GI_20MHZ      (1 << 0)
@@ -882,7 +880,6 @@ enum ucode_type {
        UCODE_RT
 };
 
-#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
 /* Sensitivity calib data */
 struct iwl_sensitivity_data {
        u32 auto_corr_ofdm;
@@ -924,7 +921,6 @@ struct iwl_chain_noise_data {
        u8 delta_gain_code[NUM_RX_CHAINS];
        u8 radio_write;
 };
-#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
 
 #define        EEPROM_SEM_TIMEOUT 10           /* milliseconds */
 #define EEPROM_SEM_RETRY_LIMIT 1000    /* number of attempts (not time) */
@@ -1057,11 +1053,9 @@ struct iwl_priv {
        u8 assoc_station_added;
        u8 use_ant_b_for_management_frame;      /* Tx antenna selection */
        u8 start_calib;
-#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
        struct iwl_sensitivity_data sensitivity_data;
        struct iwl_chain_noise_data chain_noise_data;
        __le16 sensitivity_tbl[HD_TABLE_SIZE];
-#endif /*CONFIG_IWLWIFI_RUN_TIME_CALIB*/
 
        struct iwl_ht_info current_ht_config;
        u8 last_phy_res[100];
@@ -1211,13 +1205,9 @@ struct iwl_priv {
 #endif /* CONFIG_IWLWIFI_DEBUG */
 
        struct work_struct txpower_work;
-#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
        u32 disable_sens_cal;
        u32 disable_chain_noise_cal;
-#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
-       struct work_struct sensitivity_work;
-#endif /* CONFIG_IWL4965_RUN_TIME_CALIB */
+       struct work_struct run_time_calib_work;
        struct timer_list statistics_periodic;
 }; /*iwl_priv */
 

diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index cc61c937320fff863114e1a8a6555b4e277d34ba..c24844802a885e2d28644df2cc96a824da8348e5 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -451,7 +451,6 @@ void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
                                struct iwl_rx_mem_buffer *rxb)
 
 {
-#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
        struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
        struct iwl4965_missed_beacon_notif *missed_beacon;
 
@@ -465,6 +464,5 @@ void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
                if (!test_bit(STATUS_SCANNING, &priv->status))
                        iwl_init_sensitivity(priv);
        }
-#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
 }
 EXPORT_SYMBOL(iwl_rx_missed_beacon_notif);

diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 88229e25837acfdd2913f841cbc32f037194bfba..a8dfdcbb8b43c2fcf57e3a578eac3b2d638d35c2 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -3423,6 +3423,29 @@ static void iwl4965_bg_request_scan(struct work_struct *data)
        mutex_unlock(&priv->mutex);
 }
 
+static void iwl_bg_run_time_calib_work(struct work_struct *work)
+{
+       struct iwl_priv *priv = container_of(work, struct iwl_priv,
+                       run_time_calib_work);
+
+       mutex_lock(&priv->mutex);
+
+       if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
+           test_bit(STATUS_SCANNING, &priv->status)) {
+               mutex_unlock(&priv->mutex);
+               return;
+       }
+
+       if (priv->start_calib) {
+               iwl_chain_noise_calibration(priv, &priv->statistics);
+
+               iwl_sensitivity_calibration(priv, &priv->statistics);
+       }
+
+       mutex_unlock(&priv->mutex);
+       return;
+}
+
 static void iwl4965_bg_up(struct work_struct *data)
 {
        struct iwl_priv *priv = container_of(data, struct iwl_priv, up);
@@ -5014,6 +5037,7 @@ static void iwl4965_setup_deferred_work(struct iwl_priv *priv)
        INIT_WORK(&priv->rf_kill, iwl4965_bg_rf_kill);
        INIT_WORK(&priv->beacon_update, iwl4965_bg_beacon_update);
        INIT_WORK(&priv->set_monitor, iwl4965_bg_set_monitor);
+       INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work);
        INIT_DELAYED_WORK(&priv->post_associate, iwl4965_bg_post_associate);
        INIT_DELAYED_WORK(&priv->init_alive_start, iwl_bg_init_alive_start);
        INIT_DELAYED_WORK(&priv->alive_start, iwl_bg_alive_start);