package/kernel/mac80211/patches/brcm/351-v5.1-0001-brcmfmac-improve-code-handling-bandwidth-of-firmware.patch

   1 From f4e183293b871c96c0220dcc549d5ca4c72628ad Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
   3 Date: Mon, 11 Feb 2019 23:04:53 +0100
   4 Subject: [PATCH] brcmfmac: improve code handling bandwidth of firmware
   5  reported channels
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 1) Use switch to simplify/improve the code & avoid some duplication
  11 2) Add warning for unsupported values
  12
  13 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  14 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  15 ---
  16  .../wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 13 ++++++++++---
  17  1 file changed, 10 insertions(+), 3 deletions(-)
  18
  19 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
  20 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
  21 @@ -6043,11 +6043,18 @@ static int brcmf_construct_chaninfo(stru
  22                 /* assuming the chanspecs order is HT20,
  23                  * HT40 upper, HT40 lower, and VHT80.
  24                  */
  25 -               if (ch.bw == BRCMU_CHAN_BW_80) {
  26 +               switch (ch.bw) {
  27 +               case BRCMU_CHAN_BW_80:
  28                         channel->flags &= ~IEEE80211_CHAN_NO_80MHZ;
  29 -               } else if (ch.bw == BRCMU_CHAN_BW_40) {
  30 +                       break;
  31 +               case BRCMU_CHAN_BW_40:
  32                         brcmf_update_bw40_channel_flag(channel, &ch);
  33 -               } else {
  34 +                       break;
  35 +               default:
  36 +                       wiphy_warn(wiphy, "Firmware reported unsupported bandwidth %d\n",
  37 +                                  ch.bw);
  38 +                       /* fall through */
  39 +               case BRCMU_CHAN_BW_20:
  40                         /* enable the channel and disable other bandwidths
  41                          * for now as mentioned order assure they are enabled
  42                          * for subsequent chanspecs.