xpadneo, installer: Get rid of ERTM work-around by requiring kernel 5.12

Link: #198
Signed-off-by: Kai Krakow <kai@kaishome.de>

Author: kakra

hid-xpadneo/dkms.conf.in

@@ -10,7 +10,7 @@ DEST_MODULE_LOCATION[0]="/kernel/drivers/hid"
 MAKE[0]="make -C '${kernel_source_dir}' M='${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build/src' VERSION='${PACKAGE_VERSION}' modules"
 CLEAN="make -C '${kernel_source_dir}' M='${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build/src' clean"
 
-BUILD_EXCLUSIVE_KERNEL_MIN="4.18.0"
+BUILD_EXCLUSIVE_KERNEL_MIN="5.12.0"
 BUILD_EXCLUSIVE_CONFIG="CONFIG_HID CONFIG_INPUT_FF_MEMLESS CONFIG_POWER_SUPPLY"
 
 AUTOINSTALL="yes"

hid-xpadneo/dkms.post_install

@@ -1,26 +1,8 @@
 #!/bin/sh
 
-#TODO Remove ERTM after kernel patch is deployed in the wild
+# DKMS now defaults to kernel 5.12 minimum, remove ERTM override
 ERTM_OVERRIDE="/etc/modprobe.d/99-xpadneo-bluetooth.conf"
-DISABLE_ERTM="/sys/module/bluetooth/parameters/disable_ertm"
-
-if [ "$(uname -r | awk -F. '{ printf "%03d%03d",$1,$2 }')" -ge 005012 ]; then
-	echo "Not disabling ERTM, kernel version doesn't require it..."
-elif [ "$(readlink "${ERTM_OVERRIDE}" 2>/dev/null)" = "/dev/null" ]; then
-	echo "Not disabling ERTM, local override in place..."
-elif [ -L "${ERTM_OVERRIDE}" ]; then
-	echo >&2 "WARNING: '${ERTM_OVERRIDE}' is an arbitrary symlink, this is not supported."
-	echo >&2 "Skipping ERTM fixup, you're expected to manage the options on your own..."
-else
-	echo "Disabling ERTM permanently (requires reboot)..."
-	echo "options bluetooth disable_ertm=y" >"${ERTM_OVERRIDE}"
-	echo "HINT: If you want to prevent this in the future, run 'ln -snf /dev/null ${ERTM_OVERRIDE}'."
-
-	if [ -w "${DISABLE_ERTM}" ]; then
-		echo "Disabling ERTM instantly..."
-		echo "Y" >"${DISABLE_ERTM}"
-	fi
-fi
+[ -L "${ERTM_OVERRIDE}" ] || { echo "Forcing removal of ERTM override..."; rm -f "${ERTM_OVERRIDE}"; }
 
 echo "Installing modalias database..."
 install -D -m 0644 -t /etc/modprobe.d etc-modprobe.d/xpadneo.conf

hid-xpadneo/dkms.post_remove

@@ -1,8 +1,7 @@
 #!/bin/sh
 
-#TODO Remove ERTM after kernel patch is deployed in the wild
+# DKMS now defaults to kernel 5.12 minimum, remove ERTM override
 ERTM_OVERRIDE="/etc/modprobe.d/99-xpadneo-bluetooth.conf"
-
 [ -L "${ERTM_OVERRIDE}" ] || { echo "Uninstalling ERTM override..."; rm -f "${ERTM_OVERRIDE}"; }
 
 echo "Uninstalling modalias database..."

install.sh

@@ -12,6 +12,12 @@ if [[ ! -d /sys/devices/virtual/misc/uhid ]]; then
 
 fi
 
+if [ "$(uname -r | awk -F. '{ printf "%03d%03d",$1,$2 }')" -ge 005012 ]; then
+
+    >&2 echo "WARNING: kernel 5.12 or lower will not be supported due to known ERTM issues"
+
+fi
+
 echo "* deploying DKMS package"
 make "${MAKE_OPTS[@]}" VERSION="${VERSION}" install || maybe_already_installed