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path: root/drivers/net/wireless/iwlegacy/iwl-core.c
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Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl-core.c')
-rw-r--r--drivers/net/wireless/iwlegacy/iwl-core.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c
index d418b647be80..c1511b14b239 100644
--- a/drivers/net/wireless/iwlegacy/iwl-core.c
+++ b/drivers/net/wireless/iwlegacy/iwl-core.c
@@ -160,6 +160,7 @@ int iwl_legacy_init_geos(struct iwl_priv *priv)
struct ieee80211_channel *geo_ch;
struct ieee80211_rate *rates;
int i = 0;
+ s8 max_tx_power = 0;
if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
@@ -235,8 +236,8 @@ int iwl_legacy_init_geos(struct iwl_priv *priv)
geo_ch->flags |= ch->ht40_extension_channel;
- if (ch->max_power_avg > priv->tx_power_device_lmt)
- priv->tx_power_device_lmt = ch->max_power_avg;
+ if (ch->max_power_avg > max_tx_power)
+ max_tx_power = ch->max_power_avg;
} else {
geo_ch->flags |= IEEE80211_CHAN_DISABLED;
}
@@ -249,6 +250,10 @@ int iwl_legacy_init_geos(struct iwl_priv *priv)
geo_ch->flags);
}
+ priv->tx_power_device_lmt = max_tx_power;
+ priv->tx_power_user_lmt = max_tx_power;
+ priv->tx_power_next = max_tx_power;
+
if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
priv->cfg->sku & IWL_SKU_A) {
IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
@@ -1030,7 +1035,7 @@ int iwl_legacy_apm_init(struct iwl_priv *priv)
/*
* Enable HAP INTA (interrupt from management bus) to
* wake device's PCI Express link L1a -> L0s
- * NOTE: This is no-op for 3945 (non-existant bit)
+ * NOTE: This is no-op for 3945 (non-existent bit)
*/
iwl_legacy_set_bit(priv, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
@@ -1124,11 +1129,11 @@ int iwl_legacy_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
if (!priv->cfg->ops->lib->send_tx_power)
return -EOPNOTSUPP;
- if (tx_power < IWL4965_TX_POWER_TARGET_POWER_MIN) {
+ /* 0 dBm mean 1 milliwatt */
+ if (tx_power < 0) {
IWL_WARN(priv,
- "Requested user TXPOWER %d below lower limit %d.\n",
- tx_power,
- IWL4965_TX_POWER_TARGET_POWER_MIN);
+ "Requested user TXPOWER %d below 1 mW.\n",
+ tx_power);
return -EINVAL;
}
@@ -1805,6 +1810,15 @@ iwl_legacy_mac_change_interface(struct ieee80211_hw *hw,
mutex_lock(&priv->mutex);
+ if (!ctx->vif || !iwl_legacy_is_ready_rf(priv)) {
+ /*
+ * Huh? But wait ... this can maybe happen when
+ * we're in the middle of a firmware restart!
+ */
+ err = -EBUSY;
+ goto out;
+ }
+
interface_modes = ctx->interface_modes | ctx->exclusive_interface_modes;
if (!(interface_modes & BIT(newtype))) {
@@ -1832,6 +1846,7 @@ iwl_legacy_mac_change_interface(struct ieee80211_hw *hw,
/* success */
iwl_legacy_teardown_interface(priv, vif, true);
vif->type = newtype;
+ vif->p2p = newp2p;
err = iwl_legacy_setup_interface(priv, ctx);
WARN_ON(err);
/*