9c3052aab
Bernhard Reutner-Fischer
2008-05-16
Subject
- provide proc-less sample - improve wording
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docs/mdev.txt+9 -3
| @@ -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. |