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AlvinZhou afe1ea1344
mtd: spi-nor: add support for Macronix Octal flash
Add manufacturer ID 0xc2 at the end of ID table to allow manufacturer
fixups to be applied for any Macronix flash. This spares us of adding
new flash entries for flashes that can be initialized solely based on
the SFDP data, but still need the manufacturer hooks to set parameters
that can't be discovered at SFDP parsing time.

The ID is added in order to set the octal DTR methods. SFDP defines a
"Command Sequences to Change to Octal DDR (8D-8D-8D) Mode" which can
enable the octal DTR mode. Until that is parsed and used, use the
local defined method.

Suggested-by: Michael Walle <mwalle@kernel.org>
Signed-off-by: JaimeLiao <jaimeliao@mxic.com.tw>
Signed-off-by: AlvinZhou <alvinzhou@mxic.com.tw>
Link: https://lore.kernel.org/r/20240926141956.2386374-7-alvinzhou.tw@gmail.com
[ta: update commit message and comment in the code]
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
History 2024-10-04 10:40:48 +03:00
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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.