1REGISTER_CHRDEV_REGI(9)          Char devices          REGISTER_CHRDEV_REGI(9)
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NAME

6       register_chrdev_region - register a range of device numbers
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SYNOPSIS

9       int register_chrdev_region(dev_t from, unsigned count,
10                                  const char * name);
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ARGUMENTS

13       from
14           the first in the desired range of device numbers; must include the
15           major number.
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17       count
18           the number of consecutive device numbers required
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20       name
21           the name of the device or driver.
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DESCRIPTION

24       Return value is zero on success, a negative error code on failure.
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27Kernel Hackers Manual 3.10         June 2019           REGISTER_CHRDEV_REGI(9)
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