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When building with clang 18 I see the following warning: | drivers/mtd/nand/raw/vf610_nfc.c:853:17: warning: cast to smaller integer | type 'enum vf610_nfc_variant' from 'const void *' [-Wvoid-pointer-to-enum-cast] | 853 | nfc->variant = (enum vf610_nfc_variant)of_id->data; This is due to the fact that `of_id->data` is a void* while `enum vf610_nfc_variant` has the size of an int. Cast `of_id->data` to a uintptr_t to silence the above warning for clang builds using W=1. Link: https://github.com/ClangBuiltLinux/linux/issues/1910 Reported-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Justin Stitt <justinstitt@google.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20230817-void-drivers-mtd-nand-raw-vf610_nfc-v2-1-870a7c948c44@google.com
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.