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