From 108a4bee9db5d50e99b3aea349cbc987cc857b32 Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Wed, 19 Sep 2012 22:21:07 +0200 Subject: [PATCH] brcmfmac: extend brcmf_term_iscan() to abort e-scan With the introduction of E-Scan there are two scan mechanisms in the driver. I-Scan was aborted on suspend and bringing down the device using brcmf_term_iscan(). The function has been renamed to brcmf_abort_scanning() and covers e-scan abort as well. Reviewed-by: Franky (Zhenhui) Lin Reviewed-by: Hante Meuleman Signed-off-by: Arend van Spriel Signed-off-by: John W. Linville --- .../net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 44 +++++++++++----------- 1 file changed, 21 insertions(+), 23 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 5894972..97ed75f 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -2589,11 +2589,13 @@ update_bss_info_out: return err; } -static void brcmf_term_iscan(struct brcmf_cfg80211_priv *cfg_priv) +static void brcmf_abort_scanning(struct brcmf_cfg80211_priv *cfg_priv) { struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv); + struct escan_info *escan = &cfg_priv->escan_info; struct brcmf_ssid ssid; + set_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); if (cfg_priv->iscan_on) { iscan->state = WL_ISCAN_STATE_IDLE; @@ -2607,7 +2609,20 @@ static void brcmf_term_iscan(struct brcmf_cfg80211_priv *cfg_priv) /* Abort iscan running in FW */ memset(&ssid, 0, sizeof(ssid)); brcmf_run_iscan(iscan, &ssid, WL_SCAN_ACTION_ABORT); + + if (cfg_priv->scan_request) { + /* Indidate scan abort to cfg80211 layer */ + WL_INFO("Terminating scan in progress\n"); + cfg80211_scan_done(cfg_priv->scan_request, true); + cfg_priv->scan_request = NULL; + } + } + if (cfg_priv->escan_on && cfg_priv->scan_request) { + escan->escan_state = WL_ESCAN_STATE_IDLE; + brcmf_notify_escan_complete(cfg_priv, escan->ndev, true, true); } + clear_bit(WL_STATUS_SCANNING, &cfg_priv->status); + clear_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); } static void brcmf_notify_iscan_complete(struct brcmf_cfg80211_iscan_ctrl *iscan, @@ -3032,18 +3047,10 @@ static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, brcmf_delay(500); } - set_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); if (test_bit(WL_STATUS_READY, &cfg_priv->status)) - brcmf_term_iscan(cfg_priv); - - if (cfg_priv->scan_request) { - /* Indidate scan abort to cfg80211 layer */ - WL_INFO("Terminating scan in progress\n"); - cfg80211_scan_done(cfg_priv->scan_request, true); - cfg_priv->scan_request = NULL; - } - clear_bit(WL_STATUS_SCANNING, &cfg_priv->status); - clear_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); + brcmf_abort_scanning(cfg_priv); + else + clear_bit(WL_STATUS_SCANNING, &cfg_priv->status); /* Turn off watchdog timer */ if (test_bit(WL_STATUS_READY, &cfg_priv->status)) @@ -3950,7 +3957,7 @@ static void wl_deinit_priv(struct brcmf_cfg80211_priv *cfg_priv) cfg_priv->dongle_up = false; /* dongle down */ brcmf_flush_eq(cfg_priv); brcmf_link_down(cfg_priv); - brcmf_term_iscan(cfg_priv); + brcmf_abort_scanning(cfg_priv); brcmf_deinit_priv_mem(cfg_priv); } @@ -4361,17 +4368,8 @@ static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_priv *cfg_priv) brcmf_delay(500); } - set_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); - brcmf_term_iscan(cfg_priv); - if (cfg_priv->scan_request) { - cfg80211_scan_done(cfg_priv->scan_request, true); - /* May need to perform this to cover rmmod */ - /* wl_set_mpc(cfg_to_ndev(wl), 1); */ - cfg_priv->scan_request = NULL; - } + brcmf_abort_scanning(cfg_priv); clear_bit(WL_STATUS_READY, &cfg_priv->status); - clear_bit(WL_STATUS_SCANNING, &cfg_priv->status); - clear_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); brcmf_debugfs_remove_netdev(cfg_priv); -- 2.7.4