iwlwifi: avoid firmware command sending if rfkill is enabled
This patch fixed a ucode timeout issue and worked code with suspend
to disk.
Signed-off-by: Mohamed Abbas <mabbas@linux.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/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 3272608..dbb6eff 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2546,9 +2546,6 @@
static int iwl3945_set_mode(struct iwl3945_priv *priv, int mode)
{
- if (!iwl3945_is_ready_rf(priv))
- return -EAGAIN;
-
if (mode == IEEE80211_IF_TYPE_IBSS) {
const struct iwl3945_channel_info *ch_info;
@@ -2563,13 +2560,6 @@
}
}
- cancel_delayed_work(&priv->scan_check);
- if (iwl3945_scan_cancel_timeout(priv, 100)) {
- IWL_WARNING("Aborted scan still in progress after 100ms\n");
- IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
- return -EAGAIN;
- }
-
priv->iw_mode = mode;
iwl3945_connection_init_rx_config(priv);
@@ -2577,6 +2567,17 @@
iwl3945_clear_stations_table(priv);
+ /* dont commit rxon if rf-kill is on*/
+ if (!iwl3945_is_ready_rf(priv))
+ return -EAGAIN;
+
+ cancel_delayed_work(&priv->scan_check);
+ if (iwl3945_scan_cancel_timeout(priv, 100)) {
+ IWL_WARNING("Aborted scan still in progress after 100ms\n");
+ IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
+ return -EAGAIN;
+ }
+
iwl3945_commit_rxon(priv);
return 0;
@@ -7020,6 +7021,12 @@
* RXON_FILTER_ASSOC_MSK BIT
*/
priv->is_open = 0;
+ if (!iwl3945_is_ready_rf(priv)) {
+ IWL_DEBUG_MAC80211("leave - RF not ready\n");
+ mutex_unlock(&priv->mutex);
+ return;
+ }
+
iwl3945_scan_cancel_timeout(priv, 100);
cancel_delayed_work(&priv->post_associate);
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
@@ -7291,6 +7298,9 @@
priv->ibss_beacon = conf->beacon;
}
+ if (iwl3945_is_rfkill(priv))
+ goto done;
+
if (conf->bssid && !is_zero_ether_addr(conf->bssid) &&
!is_multicast_ether_addr(conf->bssid)) {
/* If there is currently a HW scan going on in the background
@@ -7325,6 +7335,7 @@
iwl3945_commit_rxon(priv);
}
+ done:
spin_lock_irqsave(&priv->lock, flags);
if (!conf->ssid_len)
memset(priv->essid, 0, IW_ESSID_MAX_SIZE);
@@ -7361,11 +7372,12 @@
mutex_lock(&priv->mutex);
- iwl3945_scan_cancel_timeout(priv, 100);
- cancel_delayed_work(&priv->post_associate);
- priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- iwl3945_commit_rxon(priv);
-
+ if (iwl3945_is_ready_rf(priv)) {
+ iwl3945_scan_cancel_timeout(priv, 100);
+ cancel_delayed_work(&priv->post_associate);
+ priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+ iwl3945_commit_rxon(priv);
+ }
if (priv->interface_id == conf->if_id) {
priv->interface_id = 0;
memset(priv->bssid, 0, ETH_ALEN);
@@ -7636,6 +7648,12 @@
spin_unlock_irqrestore(&priv->lock, flags);
+ if (!iwl3945_is_ready_rf(priv)) {
+ IWL_DEBUG_MAC80211("leave - not ready\n");
+ mutex_unlock(&priv->mutex);
+ return;
+ }
+
/* we are restarting association process
* clear RXON_FILTER_ASSOC_MSK bit
*/
@@ -7653,12 +7671,6 @@
return;
}
- if (!iwl3945_is_ready_rf(priv)) {
- IWL_DEBUG_MAC80211("leave - not ready\n");
- mutex_unlock(&priv->mutex);
- return;
- }
-
priv->only_active_channel = 0;
iwl3945_set_rate(priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 6be38ce..b6e9a09 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -2649,9 +2649,6 @@
static int iwl4965_set_mode(struct iwl4965_priv *priv, int mode)
{
- if (!iwl4965_is_ready_rf(priv))
- return -EAGAIN;
-
if (mode == IEEE80211_IF_TYPE_IBSS) {
const struct iwl4965_channel_info *ch_info;
@@ -2666,13 +2663,6 @@
}
}
- cancel_delayed_work(&priv->scan_check);
- if (iwl4965_scan_cancel_timeout(priv, 100)) {
- IWL_WARNING("Aborted scan still in progress after 100ms\n");
- IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
- return -EAGAIN;
- }
-
priv->iw_mode = mode;
iwl4965_connection_init_rx_config(priv);
@@ -2680,6 +2670,17 @@
iwl4965_clear_stations_table(priv);
+ /* dont commit rxon if rf-kill is on*/
+ if (!iwl4965_is_ready_rf(priv))
+ return -EAGAIN;
+
+ cancel_delayed_work(&priv->scan_check);
+ if (iwl4965_scan_cancel_timeout(priv, 100)) {
+ IWL_WARNING("Aborted scan still in progress after 100ms\n");
+ IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
+ return -EAGAIN;
+ }
+
iwl4965_commit_rxon(priv);
return 0;
@@ -7458,6 +7459,12 @@
* RXON_FILTER_ASSOC_MSK BIT
*/
priv->is_open = 0;
+ if (!iwl4965_is_ready_rf(priv)) {
+ IWL_DEBUG_MAC80211("leave - RF not ready\n");
+ mutex_unlock(&priv->mutex);
+ return;
+ }
+
iwl4965_scan_cancel_timeout(priv, 100);
cancel_delayed_work(&priv->post_associate);
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
@@ -7743,6 +7750,9 @@
priv->ibss_beacon = conf->beacon;
}
+ if (iwl4965_is_rfkill(priv))
+ goto done;
+
if (conf->bssid && !is_zero_ether_addr(conf->bssid) &&
!is_multicast_ether_addr(conf->bssid)) {
/* If there is currently a HW scan going on in the background
@@ -7777,6 +7787,7 @@
iwl4965_commit_rxon(priv);
}
+ done:
spin_lock_irqsave(&priv->lock, flags);
if (!conf->ssid_len)
memset(priv->essid, 0, IW_ESSID_MAX_SIZE);
@@ -7813,11 +7824,12 @@
mutex_lock(&priv->mutex);
- iwl4965_scan_cancel_timeout(priv, 100);
- cancel_delayed_work(&priv->post_associate);
- priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- iwl4965_commit_rxon(priv);
-
+ if (iwl4965_is_ready_rf(priv)) {
+ iwl4965_scan_cancel_timeout(priv, 100);
+ cancel_delayed_work(&priv->post_associate);
+ priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+ iwl4965_commit_rxon(priv);
+ }
if (priv->interface_id == conf->if_id) {
priv->interface_id = 0;
memset(priv->bssid, 0, ETH_ALEN);
@@ -8130,6 +8142,12 @@
spin_unlock_irqrestore(&priv->lock, flags);
+ if (!iwl4965_is_ready_rf(priv)) {
+ IWL_DEBUG_MAC80211("leave - not ready\n");
+ mutex_unlock(&priv->mutex);
+ return;
+ }
+
/* we are restarting association process
* clear RXON_FILTER_ASSOC_MSK bit
*/
@@ -8147,12 +8165,6 @@
return;
}
- if (!iwl4965_is_ready_rf(priv)) {
- IWL_DEBUG_MAC80211("leave - not ready\n");
- mutex_unlock(&priv->mutex);
- return;
- }
-
priv->only_active_channel = 0;
iwl4965_set_rate(priv);