brcmfmac: add virtual interface support in brcmf_cfg80211_suspend()
With multiple interfaces suspend will need to iterate over all and bring down the link. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -3008,46 +3008,49 @@ static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
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{
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struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
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struct net_device *ndev = cfg_to_ndev(cfg);
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struct brcmf_if *ifp = netdev_priv(ndev);
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struct brcmf_cfg80211_vif *vif;
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WL_TRACE("Enter\n");
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/*
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* Check for BRCMF_VIF_STATUS_READY before any function call which
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* could result is bus access. Don't block the suspend for
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* any driver error conditions
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* if the primary net_device is not READY there is nothing
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* we can do but pray resume goes smoothly.
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*/
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vif = ((struct brcmf_if *)netdev_priv(ndev))->vif;
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if (!check_vif_up(vif))
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goto exit;
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/*
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* While going to suspend if associated with AP disassociate
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* from AP to save power while system is in suspended state
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*/
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if ((test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state) ||
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test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) &&
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check_vif_up(ifp->vif)) {
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WL_INFO("Disassociating from AP"
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" while entering suspend state\n");
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brcmf_link_down(cfg);
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list_for_each_entry(vif, &cfg->vif_list, list) {
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if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
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continue;
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/*
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* Make sure WPA_Supplicant receives all the event
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* generated due to DISASSOC call to the fw to keep
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* the state fw and WPA_Supplicant state consistent
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* While going to suspend if associated with AP disassociate
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* from AP to save power while system is in suspended state
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*/
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brcmf_delay(500);
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if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state) ||
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test_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state)) {
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WL_INFO("Disassociating from AP before suspend\n");
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brcmf_link_down(cfg);
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/* Make sure WPA_Supplicant receives all the event
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* generated due to DISASSOC call to the fw to keep
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* the state fw and WPA_Supplicant state consistent
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*/
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brcmf_delay(500);
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}
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}
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if (test_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state))
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/* end any scanning */
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if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
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brcmf_abort_scanning(cfg);
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else
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clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
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/* Turn off watchdog timer */
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if (test_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state))
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brcmf_set_mpc(ndev, 1);
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brcmf_set_mpc(ndev, 1);
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exit:
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WL_TRACE("Exit\n");
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/* clear any scanning activity */
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cfg->scan_status = 0;
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return 0;
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}
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