[ Upstream commit 05e258c6ec669d6d18c494ea03d35962d6f5b545 ] There is some code in the parser that tries to read 0x8000 bytes into a block to "read in the middle" of the block. Well that only works if the block is also 0x10000 bytes all the time, else we get these parse errors as we reach the end of the flash: spi-nor spi0.0: mx25l1606e (2048 Kbytes) mtd_read error while parsing (offset: 0x200000): -22 mtd_read error while parsing (offset: 0x201000): -22 (...) Fix the code to do what I think was intended. Cc: stable@vger.kernel.org Fixes: f0501e81fbaa ("mtd: bcm47xxpart: alternative MAGIC for board_data partition") Cc: Rafał Miłecki <zajec5@gmail.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20221018091129.280026-1-linus.walleij@linaro.org 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.
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