forked from mirrors/linux
3317fad5e9
Update the in-kernel hotplug example script to work properly with recent kernels. Without this fix the script may load the firmware twice - both at "add" and "remove" time. The second load only triggers in the case when multiple firmware images are used. A good example is the b43 driver which does not work properly without this fix. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
17 lines
443 B
Bash
17 lines
443 B
Bash
#!/bin/sh
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# Simple hotplug script sample:
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#
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# Both $DEVPATH and $FIRMWARE are already provided in the environment.
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HOTPLUG_FW_DIR=/usr/lib/hotplug/firmware/
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if [ "$SUBSYSTEM" == "firmware" -a "$ACTION" == "add" ]; then
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if [ -f $HOTPLUG_FW_DIR/$FIRMWARE ]; then
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echo 1 > /sys/$DEVPATH/loading
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cat $HOTPLUG_FW_DIR/$FIRMWARE > /sys/$DEVPATH/data
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echo 0 > /sys/$DEVPATH/loading
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else
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echo -1 > /sys/$DEVPATH/loading
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fi
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fi
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