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| author |   Miquel Raynal <miquel.raynal@bootlin.com> | 2021-11-18 12:46:59 +0100 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2021-12-09 17:51:59 +0100 |
| commit | 67b967ddd93d0ed57d392a00f6f90060f0910c0e (patch) | |
| tree | 7e14f4a0ffe941e5e1dbf883869ed55f0e608f0c /drivers/mtd/chips/gen_probe.c | |
| parent | mtd: core: clear out unregistered devices a bit more (diff) | |
| download | linux-dev-67b967ddd93d0ed57d392a00f6f90060f0910c0e.tar.xz linux-dev-67b967ddd93d0ed57d392a00f6f90060f0910c0e.zip | |
mtd: Introduce an expert mode for forensics and debugging purposes
When developping NAND controller drivers or when debugging filesystem
corruptions, it is quite common to need hacking locally into the
MTD/NAND core in order to get access to the content of the bad
blocks. Instead of having multiple implementations out there let's
provide a simple yet effective specific MTD-wide debugfs entry to fully
disable these checks on purpose.
A warning is added to inform the user when this mode gets enabled.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211118114659.1282855-1-miquel.raynal@bootlin.com
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