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authorBrandon Maier <brandon.maier@collins.com>2022-12-12 12:01:58 -0600
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2023-05-30 11:12:12 +0200
commit730148bc94411f13a0171204e872b0760fbde185 (patch)
tree8b07dd5ef274c0e4e36944f4ef6929399a77e56f /tests/checkfs
parenta527b22f0a30d66d4674624d16f4bb0ffe2e94d0 (diff)
mtd-utils: Add new syntax to get devices by name
This introduces a new feature to the MTD command line utilities that allows MTD devices to be referenced by name instead of device node. For example this looks like: > # Display info for the MTD device with name "data" > mtdinfo mtd:data > # Copy file to MTD device with name "data" > flashcp /my/file mtd:data This follows the syntax supported by the kernel which allows MTD device's to be mounted by name[1]. Add the function mtd_find_dev_node() that accepts an MTD "identifier" and returns the MTD's device node. The function accepts a string starting with "mtd:" which it treats as the MTD's name. It then attempts to search for the MTD, and if found maps it back to the /dev/mtdX device node. If the string does not start with "mtd:", then assume it's the old style and refers directly to a MTD device node. The function is then hooked into existing tools like flashcp, mtdinfo, flash_unlock, etc. To load in the new MTD parsing code in a consistent way across programs. [1] http://www.linux-mtd.infradead.org/faq/jffs2.html#L_mtdblock Signed-off-by: Brandon Maier <brandon.maier@collins.com> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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