target/linux/mvebu/base-files/etc/hotplug.d/ieee80211/00-wifi-config-migrate

   1 #!/bin/sh
   2
   3 # The pcie-controller device was renamed to pcie in Linux kernel 4.14
   4 # commit 28fbb9c539e2 ("ARM: dts: marvell: fix PCI bus dtc warnings").
   5 # This script migrates the path in the UCI configuration from the old
   6 # name to the new name and also back, when am upgrade or downgrade is
   7 # done. It checks if the name exists before changing the configuration.
   8 # This has to be done before the 10-wifi-detect script from mac80211 is
   9 # executed because this would add the devices again under the new path
  10 # name.
  11
  12 . /lib/functions.sh
  13
  14 PATH_CHANGED=0
  15
  16 rename_wifi_path() {
  17         local path_old=$(uci get wireless.${1}.path)
  18         local path_new=$(echo ${path_old} | sed "${2}")
  19
  20         if [ -e "/sys/devices/platform/${path_new}" ] && [ ${path_old} != ${path_new} ]
  21         then
  22                 uci set wireless.${1}.path=${path_new}
  23                 PATH_CHANGED=1
  24         fi
  25 }
  26
  27 rename_wifi_path_list() {
  28         # migration from kernel 4.9 to 4.14
  29         rename_wifi_path $1 "s/soc:pcie-controller/soc:pcie/"
  30         # migration from kernel 4.14 to 4.9
  31         rename_wifi_path $1 "s/soc:pcie/soc:pcie-controller/"
  32 }
  33
  34 [ "${ACTION}" = "add" ] && {
  35         [ ! -e /etc/config/wireless ] && return
  36
  37         config_load wireless
  38         config_foreach rename_wifi_path_list wifi-device
  39
  40         [ "$PATH_CHANGED" = "1" ] && uci commit wireless
  41 }