1ALLOC_CHRDEV_REGION(9) Char devices ALLOC_CHRDEV_REGION(9)
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6 alloc_chrdev_region - register a range of char device numbers
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9 int alloc_chrdev_region(dev_t * dev, unsigned baseminor,
10 unsigned count, const char * name);
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13 dev
14 output parameter for first assigned number
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16 baseminor
17 first of the requested range of minor numbers
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19 count
20 the number of minor numbers required
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22 name
23 the name of the associated device or driver
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26 Allocates a range of char device numbers. The major number will be
27 chosen dynamically, and returned (along with the first minor number) in
28 dev. Returns zero or a negative error code.
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31Kernel Hackers Manual 2.6. June 2019 ALLOC_CHRDEV_REGION(9)