June 2017
Intermediate to advanced
478 pages
13h 14m
English
Content preview from Mastering Embedded Linux Programming - Second Edition
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MTD device drivers
The upper level of the MTD subsystem is a pair of device drivers:
- A character device, with a major number of 90. There are two device nodes per MTD partition number, N: /dev/mtdN (minor number=N*2) and /dev/mtdNro (minor number=(N*2 + 1)). The latter is just a read-only version of the former.
- A block device, with a major number of 31 and a minor number of N. The device nodes are in the form /dev/mtdblockN.
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