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Diffstat (limited to 'package/kernel/mac80211/patches/brcm/104-v5.4-0005-brcmfmac-avoid-firmware-commands-when-bus-is-down.patch')
-rw-r--r--package/kernel/mac80211/patches/brcm/104-v5.4-0005-brcmfmac-avoid-firmware-commands-when-bus-is-down.patch78
1 files changed, 78 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/brcm/104-v5.4-0005-brcmfmac-avoid-firmware-commands-when-bus-is-down.patch b/package/kernel/mac80211/patches/brcm/104-v5.4-0005-brcmfmac-avoid-firmware-commands-when-bus-is-down.patch
new file mode 100644
index 0000000000..e7f42630b8
--- /dev/null
+++ b/package/kernel/mac80211/patches/brcm/104-v5.4-0005-brcmfmac-avoid-firmware-commands-when-bus-is-down.patch
@@ -0,0 +1,78 @@
+From 66ab63fbb33bf367807e3e471231379dce6f8b8c Mon Sep 17 00:00:00 2001
+From: Arend van Spriel <arend.vanspriel@broadcom.com>
+Date: Thu, 11 Jul 2019 11:05:10 +0200
+Subject: [PATCH 5/7] brcmfmac: avoid firmware commands when bus is down
+
+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>
+---
+ .../broadcom/brcm80211/brcmfmac/cfg80211.c | 23 +++++++++++--------
+ 1 file changed, 13 insertions(+), 10 deletions(-)
+
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+@@ -1286,17 +1286,21 @@ static void brcmf_link_down(struct brcmf
+ {
+ 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
+ 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(st
+ 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;