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brcmfmac: avoid firmware commands when bus is down

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Upon rmmod a few attempts are made to inform firmware, but there is
no point as the bus is down and these will fail. Avoid them to keep
the logs clean.

Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Arend van Spriel 2019-07-11 11:05:10 +02:00 committed by Kalle Valo
parent c33330ac06
commit 1ac11ae949
1 changed files with 13 additions and 10 deletions
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23
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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@ -1286,17 +1286,21 @@ static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason)
{
struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
struct brcmf_pub *drvr = cfg->pub;
bool bus_up = drvr->bus_if->state == BRCMF_BUS_UP;
s32 err = 0;
brcmf_dbg(TRACE, "Enter\n");
if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n");
err = brcmf_fil_cmd_data_set(vif->ifp,
BRCMF_C_DISASSOC, NULL, 0);
if (err) {
bphy_err(drvr, "WLC_DISASSOC failed (%d)\n", err);
if (bus_up) {
brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n");
err = brcmf_fil_cmd_data_set(vif->ifp,
BRCMF_C_DISASSOC, NULL, 0);
if (err)
bphy_err(drvr, "WLC_DISASSOC failed (%d)\n",
err);
}
if ((vif->wdev.iftype == NL80211_IFTYPE_STATION) ||
(vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT))
cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0,
@ -1306,7 +1310,8 @@ static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason)
clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
if (vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_NONE) {
brcmf_set_pmk(vif->ifp, NULL, 0);
if (bus_up)
brcmf_set_pmk(vif->ifp, NULL, 0);
vif->profile.use_fwsup = BRCMF_PROFILE_FWSUP_NONE;
}
brcmf_dbg(TRACE, "Exit\n");
@ -5004,18 +5009,16 @@ static int brcmf_cfg80211_get_channel(struct wiphy *wiphy,
struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
struct net_device *ndev = wdev->netdev;
struct brcmf_pub *drvr = cfg->pub;
struct brcmf_if *ifp;
struct brcmu_chan ch;
enum nl80211_band band = 0;
enum nl80211_chan_width width = 0;
u32 chanspec;
int freq, err;
if (!ndev)
if (!ndev || drvr->bus_if->state != BRCMF_BUS_UP)
return -ENODEV;
ifp = netdev_priv(ndev);
err = brcmf_fil_iovar_int_get(ifp, "chanspec", &chanspec);
err = brcmf_fil_iovar_int_get(netdev_priv(ndev), "chanspec", &chanspec);
if (err) {
bphy_err(drvr, "chanspec failed (%d)\n", err);
return err;