OpenWrt – Rev 1
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From f4e183293b871c96c0220dcc549d5ca4c72628ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Mon, 11 Feb 2019 23:04:53 +0100
Subject: [PATCH] brcmfmac: improve code handling bandwidth of firmware
reported channels
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1) Use switch to simplify/improve the code & avoid some duplication
2) Add warning for unsupported values
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
.../wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6043,11 +6043,18 @@ static int brcmf_construct_chaninfo(stru
/* assuming the chanspecs order is HT20,
* HT40 upper, HT40 lower, and VHT80.
*/
- if (ch.bw == BRCMU_CHAN_BW_80) {
+ switch (ch.bw) {
+ case BRCMU_CHAN_BW_80:
channel->flags &= ~IEEE80211_CHAN_NO_80MHZ;
- } else if (ch.bw == BRCMU_CHAN_BW_40) {
+ break;
+ case BRCMU_CHAN_BW_40:
brcmf_update_bw40_channel_flag(channel, &ch);
- } else {
+ break;
+ default:
+ wiphy_warn(wiphy, "Firmware reported unsupported bandwidth %d\n",
+ ch.bw);
+ /* fall through */
+ case BRCMU_CHAN_BW_20:
/* enable the channel and disable other bandwidths
* for now as mentioned order assure they are enabled
* for subsequent chanspecs.