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document firmware support
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@ -66,3 +66,15 @@ command to the shell), so make sure you have a shell installed at /bin/sh.
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For your convenience, the shell env var $MDEV is set to the device name. So if
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the device 'hdc' was matched, MDEV would be set to "hdc".
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----------
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FIRMWARE
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----------
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Some kernel device drivers need to request firmware at runtime in order to
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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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