static int ath9k_init_softc(u16 devid, struct ath_softc *sc, const struct ath_bus_ops *bus_ops) { struct ath_hw *ah = NULL; struct ath9k_hw_capabilities *pCap; struct ath_common *common; int ret = 0, i; int csz = 0; ah = devm_kzalloc(sc->dev, sizeof(struct ath_hw), GFP_KERNEL); if (!ah) return -ENOMEM; ah->dev = sc->dev; ah->hw = sc->hw; ah->hw_version.devid = devid; ah->ah_flags |= AH_USE_EEPROM; ah->led_pin = -1; ah->reg_ops.read = ath9k_ioread32; ah->reg_ops.multi_read = ath9k_multi_ioread32; ah->reg_ops.write = ath9k_iowrite32; ah->reg_ops.rmw = ath9k_reg_rmw; pCap = &ah->caps; common = ath9k_hw_common(ah); /* Will be cleared in ath9k_start() */ set_bit(ATH_OP_INVALID, &common->op_flags); sc->sc_ah = ah; sc->dfs_detector = dfs_pattern_detector_init(common, NL80211_DFS_UNSET); sc->tx99_power = MAX_RATE_POWER + 1; init_waitqueue_head(&sc->tx_wait); sc->cur_chan = &sc->chanctx[0]; if (!ath9k_is_chanctx_enabled()) sc->cur_chan->hw_queue_base = 0; common->ops = &ah->reg_ops; common->bus_ops = bus_ops; common->ps_ops = &ath9k_ps_ops; common->ah = ah; common->hw = sc->hw; common->priv = sc; common->debug_mask = ath9k_debug; common->btcoex_enabled = ath9k_btcoex_enable == 1; common->disable_ani = false; /* * Platform quirks. */ ath9k_init_pcoem_platform(sc); ret = ath9k_init_platform(sc); if (ret) return ret; ret = ath9k_of_init(sc); if (ret) return ret; if (ath9k_led_active_high != -1) ah->config.led_active_high = ath9k_led_active_high == 1; /* * Enable WLAN/BT RX Antenna diversity only when: * * - BTCOEX is disabled. * - the user manually requests the feature. * - the HW cap is set using the platform data. */ if (!common->btcoex_enabled && ath9k_bt_ant_diversity && (pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV)) common->bt_ant_diversity = 1; spin_lock_init(&common->cc_lock); spin_lock_init(&sc->intr_lock); spin_lock_init(&sc->sc_serial_rw); spin_lock_init(&sc->sc_pm_lock); spin_lock_init(&sc->chan_lock); mutex_init(&sc->mutex); tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc); tasklet_init(&sc->bcon_tasklet, ath9k_beacon_tasklet, (unsigned long)sc); timer_setup(&sc->sleep_timer, ath_ps_full_sleep, 0); INIT_WORK(&sc->hw_reset_work, ath_reset_work); INIT_WORK(&sc->paprd_work, ath_paprd_calibrate); INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work); INIT_DELAYED_WORK(&sc->hw_check_work, ath_hw_check_work); ath9k_init_channel_context(sc); /* * Cache line size is used to size and align various * structures used to communicate with the hardware. */ ath_read_cachesize(common, &csz); common->cachelsz = csz << 2; /* convert to bytes */ /* Initializes the hardware for all supported chipsets */ ret = ath9k_hw_init(ah); if (ret) goto err_hw; ret = ath9k_init_queues(sc); if (ret) goto err_queues; ret = ath9k_init_btcoex(sc); if (ret) goto err_btcoex; ret = ath9k_cmn_init_channels_rates(common); if (ret) goto err_btcoex; ret = ath9k_init_p2p(sc); if (ret) goto err_btcoex; ath9k_cmn_init_crypto(sc->sc_ah); ath9k_init_misc(sc); ath_chanctx_init(sc); ath9k_offchannel_init(sc); if (common->bus_ops->aspm_init) common->bus_ops->aspm_init(common); return 0; err_btcoex: for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) if (ATH_TXQ_SETUP(sc, i)) ath_tx_cleanupq(sc, &sc->tx.txq[i]); err_queues: ath9k_hw_deinit(ah); err_hw: ath9k_eeprom_release(sc); dev_kfree_skb_any(sc->tx99_skb); return ret; }
static int ath9k_init_softc(u16 devid, struct ath_softc *sc, const struct ath_bus_ops *bus_ops) { struct ath9k_platform_data *pdata = sc->dev->platform_data; struct ath_hw *ah = NULL; struct ath9k_hw_capabilities *pCap; struct ath_common *common; int ret = 0, i; int csz = 0; ah = devm_kzalloc(sc->dev, sizeof(struct ath_hw), GFP_KERNEL); if (!ah) return -ENOMEM; ah->dev = sc->dev; ah->hw = sc->hw; ah->hw_version.devid = devid; ah->reg_ops.read = ath9k_ioread32; ah->reg_ops.write = ath9k_iowrite32; ah->reg_ops.rmw = ath9k_reg_rmw; atomic_set(&ah->intr_ref_cnt, -1); sc->sc_ah = ah; pCap = &ah->caps; common = ath9k_hw_common(ah); sc->dfs_detector = dfs_pattern_detector_init(common, NL80211_DFS_UNSET); sc->tx99_power = MAX_RATE_POWER + 1; if (!pdata) { ah->ah_flags |= AH_USE_EEPROM; sc->sc_ah->led_pin = -1; } else { sc->sc_ah->gpio_mask = pdata->gpio_mask; sc->sc_ah->gpio_val = pdata->gpio_val; sc->sc_ah->led_pin = pdata->led_pin; ah->is_clk_25mhz = pdata->is_clk_25mhz; ah->get_mac_revision = pdata->get_mac_revision; ah->external_reset = pdata->external_reset; } common->ops = &ah->reg_ops; common->bus_ops = bus_ops; common->ah = ah; common->hw = sc->hw; common->priv = sc; common->debug_mask = ath9k_debug; common->btcoex_enabled = ath9k_btcoex_enable == 1; common->disable_ani = false; /* * Platform quirks. */ ath9k_init_platform(sc); /* * Enable WLAN/BT RX Antenna diversity only when: * * - BTCOEX is disabled. * - the user manually requests the feature. * - the HW cap is set using the platform data. */ if (!common->btcoex_enabled && ath9k_bt_ant_diversity && (pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV)) common->bt_ant_diversity = 1; spin_lock_init(&common->cc_lock); spin_lock_init(&sc->sc_serial_rw); spin_lock_init(&sc->sc_pm_lock); mutex_init(&sc->mutex); tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc); tasklet_init(&sc->bcon_tasklet, ath9k_beacon_tasklet, (unsigned long)sc); INIT_WORK(&sc->hw_reset_work, ath_reset_work); INIT_WORK(&sc->hw_check_work, ath_hw_check); INIT_WORK(&sc->paprd_work, ath_paprd_calibrate); INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work); setup_timer(&sc->rx_poll_timer, ath_rx_poll, (unsigned long)sc); /* * Cache line size is used to size and align various * structures used to communicate with the hardware. */ ath_read_cachesize(common, &csz); common->cachelsz = csz << 2; /* convert to bytes */ if (pdata && pdata->eeprom_name) { ret = ath9k_eeprom_request(sc, pdata->eeprom_name); if (ret) return ret; } /* Initializes the hardware for all supported chipsets */ ret = ath9k_hw_init(ah); if (ret) goto err_hw; if (pdata && pdata->macaddr) memcpy(common->macaddr, pdata->macaddr, ETH_ALEN); ret = ath9k_init_queues(sc); if (ret) goto err_queues; ret = ath9k_init_btcoex(sc); if (ret) goto err_btcoex; ret = ath9k_init_channels_rates(sc); if (ret) goto err_btcoex; ath9k_cmn_init_crypto(sc->sc_ah); ath9k_init_misc(sc); ath_fill_led_pin(sc); if (common->bus_ops->aspm_init) common->bus_ops->aspm_init(common); return 0; err_btcoex: for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) if (ATH_TXQ_SETUP(sc, i)) ath_tx_cleanupq(sc, &sc->tx.txq[i]); err_queues: ath9k_hw_deinit(ah); err_hw: ath9k_eeprom_release(sc); dev_kfree_skb_any(sc->tx99_skb); return ret; }