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- provide proc-less sample

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- improve wording
This commit is contained in:
Bernhard Reutner-Fischer 2008-05-16 11:36:32 +00:00
parent 81e97a1380
commit 9c3052aab6
1 changed files with 9 additions and 3 deletions
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12
docs/mdev.txt
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@ -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. updates, you also need to have hotplugging enabled in your kernel.
Here's a typical code snippet from the init script: Here's a typical code snippet from the init script:
[0] mount -t proc proc /proc
[1] mount -t sysfs sysfs /sys [1] mount -t sysfs sysfs /sys
[2] echo /bin/mdev > /proc/sys/kernel/hotplug [2] echo /bin/mdev > /proc/sys/kernel/hotplug
[3] mdev -s [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 Of course, a more "full" setup would entail executing this before the previous
code snippet: code snippet:
[4] mount -t tmpfs mdev /dev [4] mount -t tmpfs -o size=64k,mode=0755 tmpfs /dev
[5] mkdir /dev/pts [5] mkdir /dev/pts
[6] mount -t devpts devpts /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 /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 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 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 kernel, so look there if you need to know how to name the file in userspace.
userspace.