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commit3f592a869fupstream. CFR5[6] is reserved bit and must be always 1. Set it to comply with flash requirements. While fixing SPINOR_REG_CYPRESS_CFR5V_OCT_DTR_{EN, DS} definition, stop using magic numbers and describe the missing bit fields in CFR5 register. This is useful for both readability and future possible addition of Octal STR mode support. Fixes:c3266af101("mtd: spi-nor: spansion: add support for Cypress Semper flash") Cc: stable@vger.kernel.org Reported-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com> Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org> Reviewed-by: Dhruva Gole <d-gole@ti.com> Reviewed-by: Pratyush Yadav <ptyadav@amazon.de> Tested-by: Dhruva Gole <d-gole@ti.com> Link: https://lore.kernel.org/linux-mtd/20230110164703.83413-1-tudor.ambarus@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.