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[ Upstream commit697c3892d8] reg_base and reg_downshift currently don't have any effect if used with a regmap_bus or regmap_config which only offers single register operations (ie. reg_read, reg_write and optionally reg_update_bits). Fix that and take them into account also for regmap_bus with only reg_read and read_write operations by applying reg_base and reg_downshift in _regmap_bus_reg_write, _regmap_bus_reg_read. Also apply reg_base and reg_downshift in _regmap_update_bits, but only in case the operation is carried out with a reg_update_bits call defined in either regmap_bus or regmap_config. Fixes:0074f3f2b1("regmap: allow a defined reg_base to be added to every address") Fixes:86fc59ef81("regmap: add configurable downshift for addresses") Signed-off-by: Daniel Golle <daniel@makrotopia.org> Tested-by: Colin Foster <colin.foster@in-advantage.com> Link: https://lore.kernel.org/r/Y9clyVS3tQEHlUhA@makrotopia.org Signed-off-by: Mark Brown <broonie@kernel.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.