From 98a4d550920704cf79e621714053157926dd3f52 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Wed, 5 Dec 2012 11:02:03 +0000
Subject: main/busybox-initscripts: try fix usb devices

ref #1481
---
 main/busybox-initscripts/APKBUILD   |  8 ++--
 main/busybox-initscripts/mdev.conf  |  3 +-
 main/busybox-initscripts/mdev.initd |  6 +++
 main/busybox-initscripts/usbdev     | 75 ++++++++++---------------------------
 4 files changed, 30 insertions(+), 62 deletions(-)
 mode change 100644 => 100755 main/busybox-initscripts/usbdev

diff --git a/main/busybox-initscripts/APKBUILD b/main/busybox-initscripts/APKBUILD
index f3c513d7c..5c63994bd 100644
--- a/main/busybox-initscripts/APKBUILD
+++ b/main/busybox-initscripts/APKBUILD
@@ -2,7 +2,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=busybox-initscripts
 pkgver=2.2
-pkgrel=8
+pkgrel=9
 pkgdesc="Init scripts for busybox daemons"
 url="http://git.alpinelinux.org/cgit/aports/tree/core/busybox-initscripts"
 arch="noarch"
@@ -58,7 +58,7 @@ dad20779adfb4b85b57b45c7c903a636  dnsd.initd
 7504e0700dfa85f354d31af7a58663f9  inetd.initd
 b0146b19b828051985377de1e4431a32  klogd.initd
 6de9bac27127a7e1dbcc86acbc920521  mdev-mount.initd
-ef3e93fe17964dd600364b1340654b5b  mdev.initd
+42235766420d42ba9df07046e1ad1b05  mdev.initd
 c01dc869cbdd68e86e64a35ccc1e885e  rdate.initd
 4ef91ad26f5b6e64b5bc545e35f18af1  syslog.initd
 254186e513ff9fb9ede6a2e92257b247  watchdog.initd
@@ -67,10 +67,10 @@ c01dc869cbdd68e86e64a35ccc1e885e  rdate.initd
 22adbf155ffc4595206ded6daad07812  rdate.confd
 77fb31a75511247bf4e3430565a276bc  syslog.confd
 0bb55dde32f5e119111fa4938daaef3d  watchdog.confd
-d32a00a7a5cd05399dc91962870d4d07  mdev.conf
+3ac0818f602d905f5cd7a2a9c7a340ef  mdev.conf
 ad1556961294e4aa2abca6be52138b7c  dvbdev
 5c8725b4cbdeda23b00f08124a0d20bf  ide_links
-c422992ca5bfdfabdbba1f1532bc1358  usbdev
+daf57f3d0372f825ddc05b00973e5afe  usbdev
 30b0c85956b6701caf55309a17e537f6  usbdisk_link
 826d85313ca7a4a0205d63bd58b7d01f  xvd_links
 a346e7a30915856bc53987846e09724c  default.script"
diff --git a/main/busybox-initscripts/mdev.conf b/main/busybox-initscripts/mdev.conf
index ff4d4bb3b..ef2f5ca3f 100644
--- a/main/busybox-initscripts/mdev.conf
+++ b/main/busybox-initscripts/mdev.conf
@@ -84,8 +84,7 @@ video[0-9]+	root:video 0660 >v4l/
 dvb.*		root:video 0660 */lib/mdev/dvbdev
 
 # load drivers for usb devices
-usbdev[0-9].[0-9]	root:root 0660 */lib/mdev/usbdev
-usbdev[0-9].[0-9]_.*	root:root 0660
+usb[0-9]+	root:root 0660 */lib/mdev/usbdev
 
 # net devices
 tun[0-9]*	root:root 0600 =net/
diff --git a/main/busybox-initscripts/mdev.initd b/main/busybox-initscripts/mdev.initd
index e9309c700..6638ec448 100644
--- a/main/busybox-initscripts/mdev.initd
+++ b/main/busybox-initscripts/mdev.initd
@@ -20,6 +20,12 @@ start() {
 	# use mdev for hotplug
 	echo "/sbin/mdev" > /proc/sys/kernel/hotplug
 	
+	# mdev -s will not create /dev/usb[1-9] devices with recent kernels
+	# so we trigger hotplug events for usb for now
+	for i in $(find /sys/device -name 'usb[0-9]*'); do
+		[ -e $i/uevent ] && echo add > $i/uevent
+	done
+
 	# create devices
 	mdev -s
 	eend $?
diff --git a/main/busybox-initscripts/usbdev b/main/busybox-initscripts/usbdev
old mode 100644
new mode 100755
index ea5b91557..c811736dd
--- a/main/busybox-initscripts/usbdev
+++ b/main/busybox-initscripts/usbdev
@@ -1,62 +1,25 @@
 #!/bin/sh
 
-# script is buggy; until patched just do exit 0
-#exit 0
+# mdev -s will not set SUBSYSTEM or DEVNAME so we trigger a hotplug event
+if [ "$SUBSYSTEM" != "usb" ] || [ "$DEVTYPE" != "usb_device" ]; then
+	uev=/sys/bus/usb/devices/$MDEV/uevent
+	[ -e "$uev" ] && echo "add" > "$uev"
+	exit
+fi
 
-# add zeros to device or bus
-add_zeros () {
-	case "$(echo $1 | wc -L)" in
-		1)	echo "00$1" ;;
-		2)	echo "0$1" ;;
-		*)	echo "$1"
-	esac
-	exit 0
-}
+[ -n "$DEVNAME" ] || exit
 
-
-# bus and device dirs in /sys
-USB_PATH=$(echo $MDEV | sed -e 's/usbdev\([0-9]\).[0-9]/usb\1/')
-USB_PATH=$(find /sys/devices -type d -name "$USB_PATH")
-USB_DEV_DIR=$(echo $MDEV | sed -e 's/usbdev\([0-9]\).\([0-9]\)/\1-\2/')
-
-# dir names in /dev
-BUS=$(add_zeros $(echo $MDEV | sed -e 's/^usbdev\([0-9]\).[0-9]/\1/'))
-USB_DEV=$(add_zeros $(echo $MDEV | sed -e 's/^usbdev[0-9].\([0-9]\)/\1/'))
-
-
-# try to load the proper driver for usb devices
 case "$ACTION" in
-	add|"")
-		# load usb bus driver
-		for i in $USB_PATH/*/modalias ; do
-			modprobe `cat $i` 2>/dev/null
-		done
-		# load usb device driver if existent
-		if [ -d $USB_PATH/$USB_DEV_DIR ]; then
-			for i in $USB_PATH/$USB_DEV_DIR/*/modalias ; do
-				modprobe `cat $i` 2>/dev/null
-			done
-		fi
-		# move usb device file
-		mkdir -p bus/usb/$BUS
-		mv $MDEV bus/usb/$BUS/$USB_DEV
-		;;
-	remove)
-		# unload device driver, if device dir is existent
-		if [ -d $USB_PATH/$USB_DEV_DIR ]; then
-			for i in $USB_PATH/$USB_DEV_DIR/*/modalias ; do
-				modprobe -r `cat $i` 2>/dev/null
-		done
-		fi
-		# unload usb bus driver. Does this make sense?
-		# what happens, if two usb devices are plugged in
-		# and one is removed?
-		for i in $USB_PATH/*/modalias ; do
-			modprobe -r `cat $i` 2>/dev/null
-		done
-		# remove device file and possible empty dirs
-		rm -f bus/usb/$BUS/$USB_DEV
-		rmdir bus/usb/$BUS/ 2>/dev/null
-		rmdir bus/usb/ 2>/dev/null
-		rmdir bus/ 2>/dev/null
+add)
+	mkdir -p "${DEVNAME%/*}"
+	mv $MDEV $DEVNAME
+	# autoload driver
+	for i in /sys/$DEVPATH/*/modalias; do
+		[ -e "$i" ] && echo $i
+	done | xargs sort -u | xargs modprobe -a 2>/dev/null
+	;;
+remove)
+	rm $DEVNAME
+	;;
 esac
+
-- 
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