package/kernel/mac80211/patches/brcm/384-v5.4-0003-brcmfmac-avoid-firmware-command-in-brcmf_netdev_open.patch

   1 From c613085b74941024194e41b200601b9aa6ee388f Mon Sep 17 00:00:00 2001
   2 From: Arend van Spriel <arend.vanspriel@broadcom.com>
   3 Date: Thu, 11 Jul 2019 11:05:08 +0200
   4 Subject: [PATCH] brcmfmac: avoid firmware command in brcmf_netdev_open() when
   5  bus is down
   6
   7 No point in sending a firmware command when bus is down so make it
   8 conditional checking the state.
   9
  10 Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
  11 Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
  12 Reviewed-by: Franky Lin <franky.lin@broadcom.com>
  13 Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
  14 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  15 ---
  16  drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c | 3 ++-
  17  1 file changed, 2 insertions(+), 1 deletion(-)
  18
  19 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
  20 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
  21 @@ -579,7 +579,8 @@ static int brcmf_netdev_stop(struct net_
  22
  23         brcmf_cfg80211_down(ndev);
  24
  25 -       brcmf_fil_iovar_data_set(ifp, "arp_hostip_clear", NULL, 0);
  26 +       if (ifp->drvr->bus_if->state == BRCMF_BUS_UP)
  27 +               brcmf_fil_iovar_data_set(ifp, "arp_hostip_clear", NULL, 0);
  28
  29         brcmf_net_setcarrier(ifp, false);
  30