[][MAC80211][mt76][remove mt7915 BW160 support]
[Description]
Remove BW160 capability in mt7915.
[Release-log]
N/A
Change-Id: Ib7fd9b175bbb85694a0958418645d183087489a1
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7536263
diff --git a/autobuild_mac80211_release/package/kernel/mt76/patches/1035-wifi-mt76-mt7915-remove-BW160-support.patch b/autobuild_mac80211_release/package/kernel/mt76/patches/1035-wifi-mt76-mt7915-remove-BW160-support.patch
new file mode 100644
index 0000000..aa0efc4
--- /dev/null
+++ b/autobuild_mac80211_release/package/kernel/mt76/patches/1035-wifi-mt76-mt7915-remove-BW160-support.patch
@@ -0,0 +1,64 @@
+From 22ffda45e657edd08380a24b3615d8e924775af8 Mon Sep 17 00:00:00 2001
+From: MeiChia Chiu <meichia.chiu@mediatek.com>
+Date: Wed, 24 May 2023 22:35:54 +0800
+Subject: [PATCH] wifi: mt76: mt7915: remove BW160 support
+
+Remove BW160 capability in mt7915.
+---
+ mt7915/init.c | 24 +++++-------------------
+ 1 file changed, 5 insertions(+), 19 deletions(-)
+
+diff --git a/mt7915/init.c b/mt7915/init.c
+index 8eacf34..527cbac 100644
+--- a/mt7915/init.c
++++ b/mt7915/init.c
+@@ -416,12 +416,6 @@ mt7915_init_wiphy(struct mt7915_phy *phy)
+ vht_cap->cap |=
+ IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
+-
+- if (!dev->dbdc_support)
+- vht_cap->cap |=
+- IEEE80211_VHT_CAP_SHORT_GI_160 |
+- IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
+- FIELD_PREP(IEEE80211_VHT_CAP_EXT_NSS_BW_MASK, 1);
+ } else {
+ vht_cap->cap |=
+ IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
+@@ -870,12 +864,9 @@ mt7915_set_stream_he_txbf_caps(struct mt7915_phy *phy,
+ int sts = hweight8(phy->mt76->chainmask);
+ u8 c, sts_160 = sts;
+
+- /* Can do 1/2 of STS in 160Mhz mode for mt7915 */
++ /* mt7915 doesn't support bw160 */
+ if (is_mt7915(&dev->mt76)) {
+- if (!dev->dbdc_support)
+- sts_160 /= 2;
+- else
+- sts_160 = 0;
++ sts_160 = 0;
+ }
+
+ #ifdef CONFIG_MAC80211_MESH
+@@ -956,15 +947,10 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
+ int i, idx = 0, nss = hweight8(phy->mt76->antenna_mask);
+ u16 mcs_map = 0;
+ u16 mcs_map_160 = 0;
+- u8 nss_160;
++ u8 nss_160 = nss;
+
+- if (!is_mt7915(&dev->mt76))
+- nss_160 = nss;
+- else if (!dev->dbdc_support)
+- /* Can do 1/2 of NSS streams in 160Mhz mode for mt7915 */
+- nss_160 = nss / 2;
+- else
+- /* Can't do 160MHz with mt7915 dbdc */
++ /* Can't do 160MHz with mt7915 */
++ if (is_mt7915(&dev->mt76))
+ nss_160 = 0;
+
+ for (i = 0; i < 8; i++) {
+--
+2.39.0
+