From 1dc3b64cf637887fdeceb18a2479051b46a944db Mon Sep 17 00:00:00 2001
From: bigbearishappy <953308023@qq.com>
Date: Wed, 13 Apr 2022 09:47:04 +0000
Subject: [PATCH] delete the install and uninstall script for raspberrypi
 CAN-HAT

Why delete?
Because the CAN-HAT driver is already merged into the main line
of raspberrypi kernel.
https://github.com/raspberrypi/linux/pull/4072
---
 modules/CAN-HAT/install.sh   | 167 -----------------------------------
 modules/CAN-HAT/uninstall.sh |  38 --------
 2 files changed, 205 deletions(-)
 delete mode 100755 modules/CAN-HAT/install.sh
 delete mode 100755 modules/CAN-HAT/uninstall.sh

diff --git a/modules/CAN-HAT/install.sh b/modules/CAN-HAT/install.sh
deleted file mode 100755
index f428d4e..0000000
--- a/modules/CAN-HAT/install.sh
+++ /dev/null
@@ -1,167 +0,0 @@
-#!/bin/bash
-
-FORCE_KERNEL="1.20190925+1-1"
-
-if [[ $EUID -ne 0 ]]; then
-   echo "This script must be run as root (use sudo)" 1>&2
-   exit 1
-fi
-
-is_Raspberry=$(cat /proc/device-tree/model | awk  '{print $1}')
-if [ "x${is_Raspberry}" != "xRaspberry" ] ; then
-  echo "Sorry, this drivers only works on raspberry pi"
-  exit 1
-fi
-
-ver="0.1"
-
-# we create a dir with this version to ensure that 'dkms remove' won't delete
-# the sources during kernel updates
-marker="0.0.0"
-
-_VER_RUN=
-function get_kernel_version() {
-  local ZIMAGE IMG_OFFSET
-
-  _VER_RUN=""
-  [ -z "$_VER_RUN" ] && {
-    ZIMAGE=/boot/kernel.img
-    IMG_OFFSET=$(LC_ALL=C grep -abo $'\x1f\x8b\x08\x00' $ZIMAGE | head -n 1 | cut -d ':' -f 1)
-    _VER_RUN=$(dd if=$ZIMAGE obs=64K ibs=4 skip=$(( IMG_OFFSET / 4)) | zcat | grep -a -m1 "Linux version" | strings | awk '{ print $3; }')
-  }
-  echo "$_VER_RUN"
-  return 0
-}
-
-function check_kernel_headers() {
-  VER_RUN=$(get_kernel_version)
-  VER_HDR=$(dpkg -L raspberrypi-kernel-headers | egrep -m1 "/lib/modules/[^-]+/build" | awk -F'/' '{ print $4; }')
-  [ "X$VER_RUN" == "X$VER_HDR" ] && {
-    return 0
-  }
-
-  # echo RUN=$VER_RUN HDR=$VER_HDR
-  echo " !!! Your kernel version is $VER_RUN"
-  echo "     Not found *** coressponding *** kernel headers with apt-get."
-  echo "     This may occur if you have ran 'rpi-update'."
-  echo " Choose  *** y *** will revert the kernel to version $VER_HDR then continue."
-  echo " Choose  *** N *** will exit without this driver support, by default."
-  read -p "Would you like to proceed? (y/N)" -n 1 -r -s
-  echo
-  if ! [[ $REPLY =~ ^[Yy]$ ]]; then
-    exit 1;
-  fi
-
-  apt-get -y --reinstall install raspberrypi-kernel
-}
-
-function download_install_debpkg() {
-  local prefix name r
-  prefix=$1
-  name=$2
-
-  for (( i = 0; i < 3; i++ )); do
-    wget $prefix$name -O /tmp/$name && break
-  done
-  dpkg -i /tmp/$name; r=$?
-  rm -f /tmp/$name
-  return $r
-}
-
-function install_kernel() {
-  local _url _prefix
-
-   # Instead of retriving the lastest kernel & headers
-  [ "X$FORCE_KERNEL" == "X" ] && {
-    apt-get -y --force-yes install raspberrypi-kernel-headers raspberrypi-kernel
-  } || {
-    # We would like to a fixed version
-    KERN_NAME=raspberrypi-kernel_${FORCE_KERNEL}_armhf.deb
-    HDR_NAME=raspberrypi-kernel-headers_${FORCE_KERNEL}_armhf.deb
-    _url=$(apt-get download --print-uris raspberrypi-kernel | sed -nre "s/'([^']+)'.*$/\1/g;p")
-    _prefix=$(echo $_url | sed -nre 's/^(.*)raspberrypi-kernel_.*$/\1/g;p')
-
-    #download_install_debpkg "$_prefix" "$KERN_NAME"
-    download_install_debpkg "$_prefix" "$HDR_NAME"
-  }
-}
-
-# update and install required packages
-which apt &>/dev/null
-if [[ $? -eq 0 ]]; then
-  apt update -y
-  echo "____________________________________"
-  apt-get -y install dkms git can-utils
-  echo "____________________________________"
-  FORCE_KERNEL=$(dpkg -s raspberrypi-kernel | awk '/^Version:/{printf "%s\n",$2;}')
-  install_kernel
-  # rpi-update checker
-  # check_kernel_headers
-fi
-
-# Arch Linux
-which pacman &>/dev/null
-if [[ $? -eq 0 ]]; then
-  pacman -Syu --needed git gcc automake make dkms linux-raspberrypi-headers can-utils
-fi
-
-# locate currently installed kernels (may be different to running kernel if
-# it's just been updated)
-base_ver=$(get_kernel_version)
-base_ver=${base_ver%%[-+]*}
-kernels="${base_ver}+ ${base_ver}-v7+ ${base_ver}-v7l+"
-
-function install_module {
-  local _i
-
-  src=$1
-  mod=$2
-
-  if [[ -d /var/lib/dkms/$mod/$ver/$marker ]]; then
-    rmdir /var/lib/dkms/$mod/$ver/$marker
-  fi
-
-  if [[ -e /usr/src/$mod-$ver || -e /var/lib/dkms/$mod/$ver ]]; then
-    dkms remove --force -m $mod -v $ver --all
-    rm -rf /usr/src/$mod-$ver
-  fi
-
-  mkdir -p /usr/src/$mod-$ver
-  cp -a $src/* /usr/src/$mod-$ver/
-
-  dkms add -m $mod -v $ver
-  for _i in $kernels; do
-    dkms build -k $_i -m $mod -v $ver && {
-      dkms install --force -k $_i -m $mod -v $ver
-    }
-  done
-
-  mkdir -p /var/lib/dkms/$mod/$ver/$marker
-}
-
-install_module "./" "mcp25xxfd"
-
-
-# install dtbos
-cp 2xMCP2517FD.dtbo /boot/overlays
-cp 2xMCP2518FD-spi0.dtbo /boot/overlays
-
-#set kernel moduels
-grep -q "^mcp25xxfd$" /etc/modules || \
-  echo "mcp25xxfd" >> /etc/modules
-
-#set dtoverlays
-grep -q "^dtoverlay=2xMCP2517FD$" /boot/config.txt || \
-  echo "dtoverlay=2xMCP2517FD" >> /boot/config.txt
-
-grep -q "^dtoverlay=2xMCP2518FD-spi0$" /boot/config.txt || \
-  echo "dtoverlay=2xMCP2518FD-spi0" >> /boot/config.txt
-
-#install config files
-cp 80-can.rules /etc/udev/rules.d/
-
-
-echo "------------------------------------------------------"
-echo "Please reboot your raspberry pi to apply all settings"
-echo "Enjoy!"
-echo "------------------------------------------------------"
diff --git a/modules/CAN-HAT/uninstall.sh b/modules/CAN-HAT/uninstall.sh
deleted file mode 100755
index 988a32b..0000000
--- a/modules/CAN-HAT/uninstall.sh
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/bin/bash
-
-if [[ $EUID -ne 0 ]]; then
-   echo "This script must be run as root (use sudo)" 1>&2
-   exit 1
-fi
-
-is_Raspberry=$(cat /proc/device-tree/model | awk  '{print $1}')
-if [ "x${is_Raspberry}" != "xRaspberry" ] ; then
-  echo "Sorry, this drivers only works on raspberry pi"
-  exit 1
-fi
-
-uname_r=$(uname -r)
-
-
-echo "remove dtbos"
-rm  /boot/overlays/2xMCP2517FD.dtbo  || true
-rm  /boot/overlays/2xMCP2518FD-spi0.dtbo  || true
-
-echo "remove dtbo in config.txt"
-sed -i '/2xMCP2517FD/d' /boot/config.txt
-sed -i '/2xMCP2518FD-spi0/d' /boot/config.txt
-
-echo "remove modules"
-sed -i '/mcp25xxfd/d' /etc/modules
-
-
-echo "remove dkms"
-rm  -rf /var/lib/dkms/mcp25xxfd || true
-
-echo "remove kernel modules"
-rm  /lib/modules/${uname_r}/kernel/drivers/net/can/spi/mcp25xxfd.ko || true
-
-echo "------------------------------------------------------"
-echo "Please reboot your raspberry pi to apply all settings"
-echo "Thank you!"
-echo "------------------------------------------------------"