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path: root/drivers/net/wireless/iwlwifi/iwl-core.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-core.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c71
1 files changed, 26 insertions, 45 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 45ec5cfe3fcf..885167f8168d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -67,30 +67,6 @@ u32 iwl_debug_level;
const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
-
-/* This function both allocates and initializes hw and priv. */
-struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg)
-{
- struct iwl_priv *priv;
- /* mac80211 allocates memory for this device instance, including
- * space for this driver's private structure */
- struct ieee80211_hw *hw;
-
- hw = ieee80211_alloc_hw(sizeof(struct iwl_priv),
- cfg->ops->ieee80211_ops);
- if (hw == NULL) {
- pr_err("%s: Can not allocate network device\n",
- cfg->name);
- goto out;
- }
-
- priv = hw->priv;
- priv->hw = hw;
-
-out:
- return hw;
-}
-
#define MAX_BIT_RATE_40_MHZ 150 /* Mbps */
#define MAX_BIT_RATE_20_MHZ 72 /* Mbps */
static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
@@ -965,12 +941,10 @@ void iwl_irq_handle_error(struct iwl_priv *priv)
IWL_ERR(priv, "Loaded firmware version: %s\n",
priv->hw->wiphy->fw_version);
- priv->cfg->ops->lib->dump_nic_error_log(priv);
- if (priv->cfg->ops->lib->dump_csr)
- priv->cfg->ops->lib->dump_csr(priv);
- if (priv->cfg->ops->lib->dump_fh)
- priv->cfg->ops->lib->dump_fh(priv, NULL, false);
- priv->cfg->ops->lib->dump_nic_event_log(priv, false, NULL, false);
+ iwl_dump_nic_error_log(priv);
+ iwl_dump_csr(priv);
+ iwl_dump_fh(priv, NULL, false);
+ iwl_dump_nic_event_log(priv, false, NULL, false);
#ifdef CONFIG_IWLWIFI_DEBUG
if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS)
iwl_print_rx_config_cmd(priv,
@@ -1051,7 +1025,6 @@ int iwl_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-existent bit)
*/
iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
@@ -1064,20 +1037,18 @@ int iwl_apm_init(struct iwl_priv *priv)
* If not (unlikely), enable L0S, so there is at least some
* power savings, even without L1.
*/
- if (priv->cfg->base_params->set_l0s) {
- lctl = iwl_pcie_link_ctl(priv);
- if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) ==
- PCI_CFG_LINK_CTRL_VAL_L1_EN) {
- /* L1-ASPM enabled; disable(!) L0S */
- iwl_set_bit(priv, CSR_GIO_REG,
- CSR_GIO_REG_VAL_L0S_ENABLED);
- IWL_DEBUG_POWER(priv, "L1 Enabled; Disabling L0S\n");
- } else {
- /* L1-ASPM disabled; enable(!) L0S */
- iwl_clear_bit(priv, CSR_GIO_REG,
- CSR_GIO_REG_VAL_L0S_ENABLED);
- IWL_DEBUG_POWER(priv, "L1 Disabled; Enabling L0S\n");
- }
+ lctl = iwl_pcie_link_ctl(priv);
+ if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) ==
+ PCI_CFG_LINK_CTRL_VAL_L1_EN) {
+ /* L1-ASPM enabled; disable(!) L0S */
+ iwl_set_bit(priv, CSR_GIO_REG,
+ CSR_GIO_REG_VAL_L0S_ENABLED);
+ IWL_DEBUG_POWER(priv, "L1 Enabled; Disabling L0S\n");
+ } else {
+ /* L1-ASPM disabled; enable(!) L0S */
+ iwl_clear_bit(priv, CSR_GIO_REG,
+ CSR_GIO_REG_VAL_L0S_ENABLED);
+ IWL_DEBUG_POWER(priv, "L1 Disabled; Enabling L0S\n");
}
/* Configure analog phase-lock-loop before activating to D0A */
@@ -1777,6 +1748,15 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
mutex_lock(&priv->mutex);
+ if (!ctx->vif || !iwl_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))) {
@@ -1804,6 +1784,7 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
/* success */
iwl_teardown_interface(priv, vif, true);
vif->type = newtype;
+ vif->p2p = newp2p;
err = iwl_setup_interface(priv, ctx);
WARN_ON(err);
/*