From 9cf10d623e4fc7d3d8bb6d6ce835e10933b3b114 Mon Sep 17 00:00:00 2001 From: Vladimir Kondratiev Date: Wed, 10 Sep 2014 16:34:36 +0300 Subject: [PATCH] wil6210: add more debug printouts added misc printouts in some init/uninit functions for better traceability Signed-off-by: Dedy Lansky Signed-off-by: Vladimir Kondratiev Signed-off-by: John W. Linville --- drivers/net/wireless/ath/wil6210/cfg80211.c | 8 ++++++-- drivers/net/wireless/ath/wil6210/interrupt.c | 5 +++++ drivers/net/wireless/ath/wil6210/main.c | 10 ++++++++++ drivers/net/wireless/ath/wil6210/netdev.c | 12 ++++++++++++ drivers/net/wireless/ath/wil6210/pcie_bus.c | 6 ++++++ drivers/net/wireless/ath/wil6210/txrx.c | 10 ++++++++++ 6 files changed, 49 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index cba04e5d99f5..c8c9852c81a7 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -782,8 +782,8 @@ static void wil_wiphy_init(struct wiphy *wiphy) */ wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; - dev_warn(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", - __func__, wiphy->flags); + dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", + __func__, wiphy->flags); wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | @@ -804,6 +804,8 @@ struct wireless_dev *wil_cfg80211_init(struct device *dev) int rc = 0; struct wireless_dev *wdev; + dev_dbg(dev, "%s()\n", __func__); + wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); if (!wdev) return ERR_PTR(-ENOMEM); @@ -836,6 +838,8 @@ void wil_wdev_free(struct wil6210_priv *wil) { struct wireless_dev *wdev = wil_to_wdev(wil); + dev_dbg(wil_to_dev(wil), "%s()\n", __func__); + if (!wdev) return; diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c index 641165116451..331d0dc5c7a5 100644 --- a/drivers/net/wireless/ath/wil6210/interrupt.c +++ b/drivers/net/wireless/ath/wil6210/interrupt.c @@ -528,6 +528,9 @@ void wil6210_clear_irq(struct wil6210_priv *wil) int wil6210_init_irq(struct wil6210_priv *wil, int irq) { int rc; + + wil_dbg_misc(wil, "%s() n_msi=%d\n", __func__, wil->n_msi); + if (wil->n_msi == 3) rc = wil6210_request_3msi(wil, irq); else @@ -545,6 +548,8 @@ int wil6210_init_irq(struct wil6210_priv *wil, int irq) void wil6210_fini_irq(struct wil6210_priv *wil, int irq) { + wil_dbg_misc(wil, "%s()\n", __func__); + wil6210_disable_irq(wil); free_irq(irq, wil); if (wil->n_msi == 3) { diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 8afd8a2b9d6e..696be3e71a82 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -301,12 +301,16 @@ int wil_priv_init(struct wil6210_priv *wil) void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid) { + wil_dbg_misc(wil, "%s()\n", __func__); + del_timer_sync(&wil->connect_timer); _wil6210_disconnect(wil, bssid); } void wil_priv_deinit(struct wil6210_priv *wil) { + wil_dbg_misc(wil, "%s()\n", __func__); + del_timer_sync(&wil->scan_timer); cancel_work_sync(&wil->disconnect_worker); cancel_work_sync(&wil->fw_error_worker); @@ -457,6 +461,8 @@ int wil_reset(struct wil6210_priv *wil) { int rc; + wil_dbg_misc(wil, "%s()\n", __func__); + WARN_ON(!mutex_is_locked(&wil->mutex)); cancel_work_sync(&wil->disconnect_worker); @@ -614,6 +620,8 @@ int wil_up(struct wil6210_priv *wil) { int rc; + wil_dbg_misc(wil, "%s()\n", __func__); + mutex_lock(&wil->mutex); rc = __wil_up(wil); mutex_unlock(&wil->mutex); @@ -650,6 +658,8 @@ int wil_down(struct wil6210_priv *wil) { int rc; + wil_dbg_misc(wil, "%s()\n", __func__); + mutex_lock(&wil->mutex); rc = __wil_down(wil); mutex_unlock(&wil->mutex); diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c index a44c2b61be08..a995d9d59cb5 100644 --- a/drivers/net/wireless/ath/wil6210/netdev.c +++ b/drivers/net/wireless/ath/wil6210/netdev.c @@ -22,6 +22,8 @@ static int wil_open(struct net_device *ndev) { struct wil6210_priv *wil = ndev_to_wil(ndev); + wil_dbg_misc(wil, "%s()\n", __func__); + return wil_up(wil); } @@ -29,6 +31,8 @@ static int wil_stop(struct net_device *ndev) { struct wil6210_priv *wil = ndev_to_wil(ndev); + wil_dbg_misc(wil, "%s()\n", __func__); + return wil_down(wil); } @@ -121,6 +125,8 @@ void *wil_if_alloc(struct device *dev, void __iomem *csr) wil->csr = csr; wil->wdev = wdev; + wil_dbg_misc(wil, "%s()\n", __func__); + rc = wil_priv_init(wil); if (rc) { dev_err(dev, "wil_priv_init failed\n"); @@ -169,6 +175,8 @@ void wil_if_free(struct wil6210_priv *wil) { struct net_device *ndev = wil_to_ndev(wil); + wil_dbg_misc(wil, "%s()\n", __func__); + if (!ndev) return; @@ -185,6 +193,8 @@ int wil_if_add(struct wil6210_priv *wil) struct net_device *ndev = wil_to_ndev(wil); int rc; + wil_dbg_misc(wil, "%s()\n", __func__); + rc = register_netdev(ndev); if (rc < 0) { dev_err(&ndev->dev, "Failed to register netdev: %d\n", rc); @@ -200,5 +210,7 @@ void wil_if_remove(struct wil6210_priv *wil) { struct net_device *ndev = wil_to_ndev(wil); + wil_dbg_misc(wil, "%s()\n", __func__); + unregister_netdev(ndev); } diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index 968f0d6d42e1..d2a1ca289d90 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -41,6 +41,8 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil) */ int msi_only = pdev->msi_enabled; + wil_dbg_misc(wil, "%s()\n", __func__); + pdev->msi_enabled = 0; pci_set_master(pdev); @@ -107,6 +109,8 @@ static int wil_if_pcie_disable(struct wil6210_priv *wil) { struct pci_dev *pdev = wil->pdev; + wil_dbg_misc(wil, "%s()\n", __func__); + pci_clear_master(pdev); /* disable and release IRQ */ wil6210_fini_irq(wil, pdev->irq); @@ -226,6 +230,8 @@ static void wil_pcie_remove(struct pci_dev *pdev) struct wil6210_priv *wil = pci_get_drvdata(pdev); void __iomem *csr = wil->csr; + wil_dbg_misc(wil, "%s()\n", __func__); + wil6210_debugfs_remove(wil); wil_if_pcie_disable(wil); wil_if_remove(wil); diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index ce0c4bae4b8b..02fd43d264e4 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -87,6 +87,8 @@ static int wil_vring_alloc(struct wil6210_priv *wil, struct vring *vring) size_t sz = vring->size * sizeof(vring->va[0]); uint i; + wil_dbg_misc(wil, "%s()\n", __func__); + BUILD_BUG_ON(sizeof(vring->va[0]) != 32); vring->swhead = 0; @@ -599,6 +601,8 @@ int wil_rx_init(struct wil6210_priv *wil) struct vring *vring = &wil->vring_rx; int rc; + wil_dbg_misc(wil, "%s()\n", __func__); + if (vring->va) { wil_err(wil, "Rx ring already allocated\n"); return -EINVAL; @@ -628,6 +632,8 @@ void wil_rx_fini(struct wil6210_priv *wil) { struct vring *vring = &wil->vring_rx; + wil_dbg_misc(wil, "%s()\n", __func__); + if (vring->va) wil_vring_free(wil, vring, 0); } @@ -662,6 +668,8 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size, struct vring *vring = &wil->vring_tx[id]; struct vring_tx_data *txdata = &wil->vring_tx_data[id]; + wil_dbg_misc(wil, "%s()\n", __func__); + if (vring->va) { wil_err(wil, "Tx ring [%d] already allocated\n", id); rc = -EINVAL; @@ -711,6 +719,8 @@ void wil_vring_fini_tx(struct wil6210_priv *wil, int id) if (!vring->va) return; + wil_dbg_misc(wil, "%s() id=%d\n", __func__, id); + /* make sure NAPI won't touch this vring */ wil->vring_tx_data[id].enabled = 0; if (test_bit(wil_status_napi_en, &wil->status)) -- 2.20.1