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42 lines
1.2 KiB
Bash
42 lines
1.2 KiB
Bash
#!/bin/sh
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# The pcie-controller device was renamed to pcie in Linux kernel 4.14
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# commit 28fbb9c539e2 ("ARM: dts: marvell: fix PCI bus dtc warnings").
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# This script migrates the path in the UCI configuration from the old
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# name to the new name and also back, when am upgrade or downgrade is
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# done. It checks if the name exists before changing the configuration.
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# This has to be done before the 10-wifi-detect script from mac80211 is
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# executed because this would add the devices again under the new path
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# name.
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. /lib/functions.sh
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PATH_CHANGED=0
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rename_wifi_path() {
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local path_old=$(uci get wireless.${1}.path)
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local path_new=$(echo ${path_old} | sed "${2}")
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if [ -e "/sys/devices/platform/${path_new}" ] && [ ${path_old} != ${path_new} ]
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then
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uci set wireless.${1}.path=${path_new}
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PATH_CHANGED=1
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fi
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}
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rename_wifi_path_list() {
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# migration from kernel 4.9 to 4.14
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rename_wifi_path $1 "s/soc:pcie-controller/soc:pcie/"
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# migration from kernel 4.14 to 4.9
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rename_wifi_path $1 "s/soc:pcie/soc:pcie-controller/"
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}
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[ "${ACTION}" = "add" ] && {
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[ ! -e /etc/config/wireless ] && return
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config_load wireless
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config_foreach rename_wifi_path_list wifi-device
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[ "$PATH_CHANGED" = "1" ] && uci commit wireless
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}
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