From 61448a93efc26dc00e9684a9421394ca78142479 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Thu, 27 Oct 2011 18:48:29 +0300 Subject: [PATCH] ath6kl: merge ath6kl_init() to ath6kl_core_init() In preparation for splitting module initialisation and hardware boot code from each other. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/init.c | 148 +++++++++++++++------------------ 1 file changed, 65 insertions(+), 83 deletions(-) diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c index e89c9a6..62e0f22 100644 --- a/drivers/net/wireless/ath/ath6kl/init.c +++ b/drivers/net/wireless/ath/ath6kl/init.c @@ -1421,20 +1421,62 @@ static int ath6kl_init_hw_params(struct ath6kl *ar) return 0; } -static int ath6kl_init(struct ath6kl *ar) +int ath6kl_core_init(struct ath6kl *ar) { - int status = 0; + struct ath6kl_bmi_target_info targ_info; s32 timeleft; struct net_device *ndev; - int i; + int i, ret = 0; - if (!ar) - return -EIO; + ar->ath6kl_wq = create_singlethread_workqueue("ath6kl"); + if (!ar->ath6kl_wq) + return -ENOMEM; + + ret = ath6kl_bmi_init(ar); + if (ret) + goto err_wq; + + ret = ath6kl_hif_power_on(ar); + if (ret) + goto err_bmi_cleanup; + + ret = ath6kl_bmi_get_target_info(ar, &targ_info); + if (ret) + goto err_power_off; + + ar->version.target_ver = le32_to_cpu(targ_info.version); + ar->target_type = le32_to_cpu(targ_info.type); + ar->wiphy->hw_version = le32_to_cpu(targ_info.version); + + ret = ath6kl_init_hw_params(ar); + if (ret) + goto err_power_off; + + ret = ath6kl_configure_target(ar); + if (ret) + goto err_power_off; + + ar->htc_target = ath6kl_htc_create(ar); + + if (!ar->htc_target) { + ret = -ENOMEM; + goto err_power_off; + } + + ret = ath6kl_fetch_firmwares(ar); + if (ret) + goto err_htc_cleanup; + + /* FIXME: we should free all firmwares in the error cases below */ + + ret = ath6kl_init_upload(ar); + if (ret) + goto err_htc_cleanup; /* Do we need to finish the BMI phase */ if (ath6kl_bmi_done(ar)) { - status = -EIO; - goto ath6kl_init_done; + ret = -EIO; + goto err_htc_cleanup; } /* Indicate that WMI is enabled (although not ready yet) */ @@ -1442,18 +1484,18 @@ static int ath6kl_init(struct ath6kl *ar) ar->wmi = ath6kl_wmi_init(ar); if (!ar->wmi) { ath6kl_err("failed to initialize wmi\n"); - status = -EIO; - goto ath6kl_init_done; + ret = -EIO; + goto err_htc_cleanup; } ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi); - status = ath6kl_register_ieee80211_hw(ar); - if (status) + ret = ath6kl_register_ieee80211_hw(ar); + if (ret) goto err_node_cleanup; - status = ath6kl_debug_init(ar); - if (status) { + ret = ath6kl_debug_init(ar); + if (ret) { wiphy_unregister(ar->wiphy); goto err_node_cleanup; } @@ -1471,7 +1513,7 @@ static int ath6kl_init(struct ath6kl *ar) if (!ndev) { ath6kl_err("Failed to instantiate a network device\n"); - status = -ENOMEM; + ret = -ENOMEM; wiphy_unregister(ar->wiphy); goto err_debug_init; } @@ -1486,12 +1528,12 @@ static int ath6kl_init(struct ath6kl *ar) * size. */ if (ath6kl_htc_wait_target(ar->htc_target)) { - status = -EIO; + ret = -EIO; goto err_if_deinit; } if (ath6kl_init_service_ep(ar)) { - status = -EIO; + ret = -EIO; goto err_cleanup_scatter; } @@ -1514,9 +1556,8 @@ static int ath6kl_init(struct ath6kl *ar) ath6kl_cookie_init(ar); /* start HTC */ - status = ath6kl_htc_start(ar->htc_target); - - if (status) { + ret = ath6kl_htc_start(ar->htc_target); + if (ret) { ath6kl_cookie_cleanup(ar); goto err_rxbuf_cleanup; } @@ -1532,13 +1573,13 @@ static int ath6kl_init(struct ath6kl *ar) if (ar->version.abi_ver != ATH6KL_ABI_VERSION) { ath6kl_err("abi version mismatch: host(0x%x), target(0x%x)\n", ATH6KL_ABI_VERSION, ar->version.abi_ver); - status = -EIO; + ret = -EIO; goto err_htc_stop; } if (!timeleft || signal_pending(current)) { ath6kl_err("wmi is not ready or wait was interrupted\n"); - status = -EIO; + ret = -EIO; goto err_htc_stop; } @@ -1555,8 +1596,8 @@ static int ath6kl_init(struct ath6kl *ar) WIPHY_FLAG_HAVE_AP_SME; for (i = 0; i < MAX_NUM_VIF; i++) { - status = ath6kl_target_config_wlan_params(ar, i); - if (status) + ret = ath6kl_target_config_wlan_params(ar, i); + if (ret) goto err_htc_stop; } @@ -1566,7 +1607,7 @@ static int ath6kl_init(struct ath6kl *ar) */ memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); - return status; + return ret; err_htc_stop: ath6kl_htc_stop(ar->htc_target); @@ -1586,65 +1627,6 @@ err_node_cleanup: ath6kl_wmi_shutdown(ar->wmi); clear_bit(WMI_ENABLED, &ar->flag); ar->wmi = NULL; - -ath6kl_init_done: - return status; -} - -int ath6kl_core_init(struct ath6kl *ar) -{ - int ret = 0; - struct ath6kl_bmi_target_info targ_info; - - ar->ath6kl_wq = create_singlethread_workqueue("ath6kl"); - if (!ar->ath6kl_wq) - return -ENOMEM; - - ret = ath6kl_bmi_init(ar); - if (ret) - goto err_wq; - - ret = ath6kl_hif_power_on(ar); - if (ret) - goto err_bmi_cleanup; - - ret = ath6kl_bmi_get_target_info(ar, &targ_info); - if (ret) - goto err_power_off; - - ar->version.target_ver = le32_to_cpu(targ_info.version); - ar->target_type = le32_to_cpu(targ_info.type); - ar->wiphy->hw_version = le32_to_cpu(targ_info.version); - - ret = ath6kl_init_hw_params(ar); - if (ret) - goto err_power_off; - - ret = ath6kl_configure_target(ar); - if (ret) - goto err_power_off; - - ar->htc_target = ath6kl_htc_create(ar); - - if (!ar->htc_target) { - ret = -ENOMEM; - goto err_power_off; - } - - ret = ath6kl_fetch_firmwares(ar); - if (ret) - goto err_htc_cleanup; - - ret = ath6kl_init_upload(ar); - if (ret) - goto err_htc_cleanup; - - ret = ath6kl_init(ar); - if (ret) - goto err_htc_cleanup; - - return ret; - err_htc_cleanup: ath6kl_htc_cleanup(ar->htc_target); err_power_off: -- 2.7.4