diff options
| -rw-r--r-- | docs/mdev.txt | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/docs/mdev.txt b/docs/mdev.txt index 38f1da9..1a97be4 100644 --- a/docs/mdev.txt +++ b/docs/mdev.txt @@ -15,13 +15,20 @@ require sysfs support in the kernel and have it mounted at /sys. For dynamic updates, you also need to have hotplugging enabled in your kernel. Here's a typical code snippet from the init script: +[0] mount -t proc proc /proc [1] mount -t sysfs sysfs /sys [2] echo /bin/mdev > /proc/sys/kernel/hotplug [3] mdev -s +Alternatively, without procfs the above becomes: +[1] mount -t sysfs sysfs /sys +[2] sysctl -w kernel.hotplug=/bin/mdev +[3] mdev -s + + Of course, a more "full" setup would entail executing this before the previous code snippet: -[4] mount -t tmpfs mdev /dev +[4] mount -t tmpfs -o size=64k,mode=0755 tmpfs /dev [5] mkdir /dev/pts [6] mount -t devpts devpts /dev/pts @@ -87,5 +94,4 @@ properly initialize a device. Place all such firmware files into the /lib/firmware/ directory. At runtime, the kernel will invoke mdev with the filename of the firmware which mdev will load out of /lib/firmware/ and into the kernel via the sysfs interface. The exact filename is hardcoded in the -kernel, so look there if you need to want to know what to name the file in -userspace. +kernel, so look there if you need to know how to name the file in userspace. |