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Martin Jocic
a9c0fb33fd
Use the IS_ENABLED() macro to check kernel config defines instead of ifdef. Use upper_32_bits() to avoid warnings about "right shift count >= width of type" on systems with CONFIG_ARCH_DMA_ADDR_T_64BIT not set. In kvaser_pciefd_write_dma_map_altera() use lower_32_bits() for symmetry. Signed-off-by: Martin Jocic <martin.jocic@kvaser.com> Link: https://patch.msgid.link/20240830141038.1402217-1-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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.