30 lines
727 B
Bash
30 lines
727 B
Bash
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#!/bin/sh -e
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FIRMWARE_DIRS="/lib/firmware/updates/$(uname -r) /lib/firmware/updates \
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/lib/firmware/$(uname -r) /lib/firmware"
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err() {
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echo "$@" >&2
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logger -t "${0##*/}[$$]" "$@" 2>/dev/null || true
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}
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if [ ! -e /sys$DEVPATH/loading ]; then
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err "udev firmware loader misses sysfs directory"
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exit 1
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fi
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for DIR in $FIRMWARE_DIRS; do
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[ -e "$DIR/$FIRMWARE" ] || continue
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echo 1 > /sys$DEVPATH/loading
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cat "$DIR/$FIRMWARE" > /sys$DEVPATH/data
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echo 0 > /sys$DEVPATH/loading
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exit 0
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done
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echo -1 > /sys$DEVPATH/loading
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err "Cannot find firmware file '$FIRMWARE'"
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mkdir -p /dev/.udev/firmware-missing
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file=$(echo "$FIRMWARE" | sed 's:/:\\x2f:g')
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ln -s -f "$DEVPATH" /dev/.udev/firmware-missing/$file
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exit 1
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