cbcee19ac4
The FIELD_{GET,PREP} accessors provided by linux/bitfield.h allow us to
define multi-bit register fields solely in terms of their bit positions
via GENMASK(), without needing explicit *_SHIFT and *_MASK definitions.
As well as the immediate reduction in lines of code, this avoids the
awkwardness of values sometimes being pre-shifted and sometimes not,
which means we can factor out some common values like memory attributes.
Furthermore, it also makes it trivial to verify the definitions against
the architecture spec, on which note let's also fix up a few field names
to properly match the current release (IHI0070B).
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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README
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.