wget "https://github.com/openwrt/openwrt/archive/v18.06.1.tar.gz" (or even better whole SDK: https://downloads.openwrt.org/releases/19.07.4/targets/mvebu/cortexa9/openwrt-sdk-19.07.4-mvebu-cortexa9_gcc-7.5.0_musl_eabi.Linux-x86_64.tar.xz)\\
tar zxf v18.06.1.tar.gz \\
ls\\
cd openwrt-18.06.1/ 1024  ls\\
 1025  ./scripts/feeds update base\\
 1026  ./scripts/feeds install mwlwifi\\

by making menuconfig deselect all you dont need\\

make package/kernel/mwlwifi/download\\
make package/kernel/mwlwifi/compile\\
make package/kernel/mwlwifi/install\\
make package/index\\


diff --git a/hif/pcie/pcie.c b/hif/pcie/pcie.c\\
index da55913..1f5af72 100644\\
--- a/hif/pcie/pcie.c
+++ b/hif/pcie/pcie.c\\
@@ -455,10 +455,10 @@ static irqreturn_t pcie_isr(struct ieee80211_hw *hw)\\
　　}\\
　　}\\

-               if (int_status & MACREG_A2HRIC_BIT_RADAR_DETECT) {
-                       wiphy_info(hw->wiphy, "radar detected by firmware\n");
-                       ieee80211_radar_detected(hw);
-               }
+               //if (int_status & MACREG_A2HRIC_BIT_RADAR_DETECT) {\\
+               //      wiphy_info(hw->wiphy, "radar detected by firmware\n");\\
+               //      ieee80211_radar_detected(hw);\\
+               //}\\

　　if (int_status & MACREG_A2HRIC_BIT_QUE_EMPTY) {\\
　　if (!pcie_priv->is_qe_schedule) {\\
@@ -922,10 +922,10 @@ static irqreturn_t pcie_isr_ndp(struct ieee80211_hw *hw)\\
　　}\\
　　}\\

-               if (int_status & MACREG_A2HRIC_NEWDP_DFS) {
-                       wiphy_info(hw->wiphy, "radar detected by firmware\n");
-                       ieee80211_radar_detected(hw);
-               }
+               //if (int_status & MACREG_A2HRIC_NEWDP_DFS) {\\
+               //      wiphy_info(hw->wiphy, "radar detected by firmware\n");\\
+               //      ieee80211_radar_detected(hw);\\
+               //}\\

　　if (int_status & MACREG_A2HRIC_NEWDP_CHANNEL_SWITCH)\\
　　ieee80211_queue_work(hw, &priv->chnl_switch_handle);\\

https://github.com/kaloz/mwlwifi/blob/417c15f2af00920945882a1b82ab1f5785a7b7b0/README.md#note-for-dfs-of-wrt3200acm-88w8964\\

opkg remove kmod-mwifiex-sdio\\
opkg remove mwifiex-sdio-firmware\\

----

Download SDK\\
wget "https://downloads.openwrt.org/releases/21.02.2/targets/mvebu/cortexa9/openwrt-sdk-21.02.2-mvebu-cortexa9_gcc-8.4.0_musl_eabi.Linux-x86_64.tar.xz"\\
./scripts/feeds update base\\
./scripts/feeds install mwlwifi\\
make ./package/feeds/base/mwlwifi/download\\
change the pcie.c\\
tar xf mwlwifi-2020-02-06-a2fd00bb.tar.xz\\
tar -cJf mwlwifi-2020-02-06-a2fd00bb.tar.xz mwlwifi-2020-02-06-a2fd00bb\\
sha256sum mwlwifi-2020-02-06-a2fd00bb.tar.xz \\
update hashes in Makefiles\\
vi ./package/feeds/base/mwlwifi/Makefile \\
make -j33 ./package/feeds/base/mwlwifi/compile\\
vi ./feeds/base/package/kernel/mwlwifi/Makefile \\