mdev: make usage text more useful
function old new delta
packed_usage 26235 26291 +56
diff --git a/include/usage.h b/include/usage.h
index c36a3bb..7111e90 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -2556,8 +2556,14 @@
#define mdev_full_usage "\n\n" \
" -s Scan /sys and populate /dev during system boot\n" \
"\n" \
- "Called with no options (via hotplug) it uses environment variables\n" \
- "to determine which device to add/remove."
+ "It can be run by kernel as a hotplug helper. To activate it:\n" \
+ " echo /bin/mdev >/proc/sys/kernel/hotplug\n" \
+ USE_FEATURE_MDEV_CONF( \
+ "It uses /etc/mdev.conf with lines\n" \
+ "DEVNAME UID:GID PERM" \
+ USE_FEATURE_MDEV_RENAME(" [>|=PATH]") \
+ USE_FEATURE_MDEV_EXEC(" [@|$|*COMMAND]") \
+ ) \
#define mdev_notes_usage "" \
USE_FEATURE_MDEV_CONFIG( \