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65a01be4f5
of_get_nand_bus_width() had a wrong behavior because: 1/ it ignored the -ENODATA and -EOVERFLOW return values of of_property_read_u32(). "nand-bus-width" without value was tolerated while it shouldn't have been according to the devicetree bindings. 2/ returned -EIO when the nand-bus-width was neither 8 nor 16, when it should have returned -EINVAL instead. 3/ returned the 8 or 16 bus-width integer, but it was never used it its caller. A simply return 0 on success is enough. Rework of_get_nand_bus_width() and address all the above. The execution is now stopped in case of errors. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20220106131610.225661-2-tudor.ambarus@microchip.com
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.