mirror of
				git://git.openwrt.org/openwrt/openwrt.git
				synced 2025-11-04 06:54:27 -05:00 
			
		
		
		
	Use commits from wireless-drivers-next.git. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
		
			
				
	
	
		
			80 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From 1ac11ae949dd883854f4523ef8e3a32aabfd6256 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] 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>
 | 
						|
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
 | 
						|
---
 | 
						|
 .../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;
 |