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6d9d6ab3a8
SkyHigh spinand device has ECC enable bit in configuration register but it must be always enabled. If ECC is disabled, read and write ops results in undetermined state. For such devices, a way to avoid raw access is needed. Introduce SPINAND_NO_RAW_ACCESS flag to advertise the device does not support raw access. In such devices, the on-die ECC engine ops returns error to I/O request in raw mode. Checking and marking BBM need to be cared as special case, by adding fallback mechanism that tries read/write OOB with ECC enabled. Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.