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afd473e858
Some flashes like the Cypress S28 family use ECC. Under this ECC scheme, multi-pass writes to an ECC block is not allowed. In other words, once data is programmed to an ECC block, it can't be programmed again without erasing it first. Upper layers like file systems need to be given this information so they do not cause error conditions on the flash by attempting multi-pass programming. This can be done by setting 'writesize' in 'struct mtd_info'. Set the default to 1 but allow flashes to modify it in fixup hooks. If more flashes show up with this constraint in the future it might be worth it to add it to 'struct flash_info', but for now increasing its size is not worth it. Signed-off-by: Pratyush Yadav <p.yadav@ti.com> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com> Link: https://lore.kernel.org/r/20201201102711.8727-3-p.yadav@ti.com |
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| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
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| usr | ||
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| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| .gitignore | ||
| .mailmap | ||
| COPYING | ||
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| README | ||
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 Restructured Text 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.