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[ Upstream commit151c6b49d6] Even if SPI_NOR_NO_ERASE was set, one could still send erase opcodes to the flash. It is not recommended to send unsupported opcodes to flashes. Fix the logic and do not set mtd->_erase when SPI_NOR_NO_ERASE is specified. With this users will not be able to issue erase opcodes to flashes and instead they will recive an -ENOTSUPP error. Fixes:b199489d37("mtd: spi-nor: add the framework for SPI NOR") Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Reviewed-by: Michael Walle <michael@walle.cc> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20220228163334.277730-1-tudor.ambarus@microchip.com Signed-off-by: Sasha Levin <sashal@kernel.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.