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In order to properly support compatibility strings as described in the bindings/mtd/partition.txt "ofpart" type should be treated as an indication for looking into OF. MTD should check "compatible" property and search for a matching parser rather than blindly trying the one supporting "fixed-partitions". It also means that existing "fixed-partitions" parser should get renamed to use a more meaningful name. This commit achievies that aim by introducing a new mtd_part_of_parse(). It works by looking for a matching parser for every string in the "compatibility" property (starting with the most specific one). Please note that driver-specified parsers still take a precedence. It's assumed that driver providing a parser type has a good reason for that (e.g. having platform data with device-specific info). Also doing otherwise could break existing setups. The same applies to using default parsers (including "cmdlinepart") as some overwrite DT data with cmdline argument. Partition parsers can now provide an of_match_table to enable flash<-->parser matching via device tree as documented in the mtd/partition.txt. This support is currently limited to built-in parsers as it uses request_module() and friends. This should be sufficient for most cases though as compiling parsers as modules isn't a common choice. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Tested-by: Peter Rosin <peda@axentia.se> Reviewed-by: Richard Weinberger <richard@nod.at> Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.