From df62a6675920cf8864f7611764bc0c19e9e1f822 Mon Sep 17 00:00:00 2001
From: Chih-Wei Huang <cwhuang@linux.org.tw>
Date: Thu, 13 Jun 2019 17:05:50 +0800
Subject: [PATCH] init.sh: remove wl driver if it's not used

Sometimes the Broadcom wl driver is loaded unexpectedly. Unload it
if it's not being used.
---
 init.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/init.sh b/init.sh
index dc6b004..aee4614 100644
--- a/init.sh
+++ b/init.sh
@@ -15,6 +15,13 @@ function set_prop_if_empty()
 	[ -z "$(getprop $1)" ] && set_property "$1" "$2"
 }
 
+function rmmod_if_exist()
+{
+	for m in $*; do
+		[ -d /sys/module/$m ] && rmmod $m
+	done
+}
+
 function init_misc()
 {
 	# device information
@@ -30,6 +37,13 @@ function init_misc()
 	# enable sdcardfs if /data is not mounted on tmpfs or 9p
 	mount | grep /data\ | grep -qE 'tmpfs|9p'
 	[ $? -ne 0 ] && modprobe sdcardfs
+
+	# remove wl if it's not used
+	local wifi
+	if [ -d /sys/class/net/wlan0 ]; then
+		wifi=$(basename `readlink /sys/class/net/wlan0/device/driver`)
+		[ "$wifi" != "wl" ] && rmmod_if_exist wl
+	fi
 }
 
 function init_hal_audio()
-- 
2.11.0