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2db611374c
Add methods to FwNode for reading several firmware property types like strings, integers and arrays. Most types are read with the generic `property_read` method. There are two exceptions: * `property_read_bool` cannot fail, so the fallible function signature of `property_read` would not make sense for reading booleans. * `property_read_array_vec` can fail because of a dynamic memory allocation. This error must be handled separately, leading to a different function signature than `property_read`. The traits `Property` and `PropertyInt` drive the generic behavior of `property_read`. `PropertyInt` is necessary to associate specific integer types with the C functions to read them. While there is a C function to read integers of generic sizes called `fwnode_property_read_int_array`, it was preferred not to make this public. Tested-by: Dirk Behme <dirk.behme@de.bosch.com> Co-developed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Remo Senekowitsch <remo@buenzli.dev> Link: https://lore.kernel.org/r/20250611102908.212514-7-remo@buenzli.dev [ Properly include kernel::device::private::Sealed; add explicit type annotations for core::mem::transmute(). - Danilo ] Signed-off-by: Danilo Krummrich <dakr@kernel.org> |
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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 reStructuredText 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.