R.I.P. devfs

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6478 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/files/etc/inittab

@@ -1,3 +1,3 @@
 ::sysinit:/etc/init.d/rcS
 tts/0::askfirst:/bin/ash --login
-#tts/1::askfirst:/bin/ash --login
+ttyS0::askfirst:/bin/ash --login

package/base-files/files/etc/mdev.conf

@@ -0,0 +1,5 @@
+null 0:0 777
+zero 0:0 666
+console 0:5 0600
+tty 0:5 0660
+ttyS* 0:20 640

package/base-files/files/sbin/hotplug

@@ -1,6 +1,8 @@
 #!/bin/sh
 # Copyright (C) 2006 OpenWrt.org
 
+[ -x /sbin/mdev ] && /sbin/mdev "$@"
+
 # bypass the normal hotplug path for firmware loading
 # would otherwise cause problems with drivers like bcm43xx
 [ "$1" = "firmware" -a "$ACTION" = "add" ] && {

package/busybox/Makefile

@@ -41,6 +41,7 @@ The Swiss Army Knife of embedded Linux.
 endef
 
 define Package/busybox/config
+	source "$(SOURCE)/target-config.in"
 	menu "Configuration"
 		depends on PACKAGE_busybox
 		source "$(SOURCE)/config/Config.in"

package/busybox/config/miscutils/Config.in

@@ -105,7 +105,7 @@ config BUSYBOX_CONFIG_DEVFSD_VERBOSE
 
 config BUSYBOX_CONFIG_FEATURE_DEVFS
 	bool "  Use devfs names for all devices (obsolete)"
-	default y
+	default n
 	help
 	  This is obsolete and will be going away at the end of 2008..
 

package/busybox/config/util-linux/Config.in

@@ -267,7 +267,7 @@ config BUSYBOX_CONFIG_LOSETUP
 
 config BUSYBOX_CONFIG_MDEV
 	bool "mdev"
-	default n
+	default y
 	help
 	  mdev is a mini-udev implementation: call it with -s to populate
 	  /dev from /sys, then "echo /sbin/mdev > /proc/sys/kernel/hotplug" to
@@ -276,7 +276,7 @@ config BUSYBOX_CONFIG_MDEV
 
 config BUSYBOX_CONFIG_FEATURE_MDEV_CONF
 	bool "Support /etc/mdev.conf"
-	default n
+	default y
 	depends on BUSYBOX_CONFIG_MDEV
 	help
 	  The mdev config file contains lines that look like:

package/busybox/target-config.in

@@ -0,0 +1,11 @@
+config BUSYBOX_CONFIG_FEATURE_DEVFS
+	default y if LINUX_2_4
+	default n if LINUX_2_6
+
+config BUSYBOX_CONFIG_MDEV
+	default n if LINUX_2_4
+	default y if LINUX_2_6
+
+config BUSYBOX_CONFIG_FEATURE_MDEV_CONF
+	default n if LINUX_2_4
+	default y if LINUX_2_6

target/linux/generic-2.6/files/init

@@ -3,8 +3,19 @@
 
 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
 mount none /proc -t proc
-mount none /dev -t devfs
-mount non /dev/pts -t devpts
+
+if grep devfs /proc/filesystems > /dev/null; then
+	mount none /dev -t devfs
+else
+	mount -t sysfs none /sys
+	mount -t tmpfs tmpfs /dev -o size=512K
+	mknod /dev/console c 5 1
+	mkdir /dev/pts
+	mkdir /dev/shm
+	/sbin/mdev -s
+fi
+
+mount none /dev/pts -t devpts
 
 # the root mount point can come from the kernel command line
 # or it can be overridden in the preinit.arch file

target/linux/generic-2.6/patches/008-mtd_uaccess.patch

@@ -1,15 +0,0 @@
---- linux-2.6.19.2/drivers/mtd/mtdchar.c.old	2007-01-27 20:17:35.000000000 +0100
-+++ linux-2.6.19.2/drivers/mtd/mtdchar.c	2007-01-27 20:18:12.000000000 +0100
-@@ -33,10 +33,10 @@
- 
- #ifdef CONFIG_DEVFS_FS
- 	devfs_mk_cdev(MKDEV(MTD_CHAR_MAJOR, mtd->index*2),
--			S_IFCHR | S_IRUGO | S_IWUGO, "mtd/%d", mtd->index);
-+			S_IFCHR | S_IRUSR | S_IWUSR, "mtd/%d", mtd->index);
- 
- 	devfs_mk_cdev(MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1),
--			S_IFCHR | S_IRUGO, "mtd/%dro", mtd->index);
-+			S_IFCHR | S_IRUSR, "mtd/%dro", mtd->index);
- #else
- 	class_device_create(mtd_class, NULL, MKDEV(MTD_CHAR_MAJOR, mtd->index*2),
- 			    NULL, "mtd%d", mtd->index);