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The content of the platform_data of a struct mfd_cell is simply passed on to the platform_device_add_data() call in mfd_add_device() . platform_device_add_data() already handles the data behind that pointer as const and also uses kmemdup to create a copy of the data before handing that copy over to the newly created platform-device, so there is no reason to not extend this to struct mfd_cell, as the old copy in the mfd_cell will be stale anyway. This allows to pass structs gathered from of_device_get_match_data() as platform-data to sub-devices - which is retrieved as const already. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20241107114712.538976-3-heiko@sntech.de Signed-off-by: Lee Jones <lee@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 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.