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fda643a953
It has long been discouraged for drivers to make use of iio_dev->scan_bytes directly as that is an implementation detail of the core. As such our example driver should definitely not be doing so. In order to illustrate the more complex case, where a DMA safe buffer is needed, continue to kzalloc() the storage (but with a structure definition to provide an explicit data layout). Also add comments on when a DMA safe buffer is necessary and the two common ways of obtaining one. Whilst we have a mixture of signed and unsigned channels, the unsigned channels have ranges that can be stored in a signed value - hence use signed storage for all channels, simplifying the structure definition. Reviewed-by: David Lechner <dlechner@baylibre.com> Link: https://patch.msgid.link/20250413103443.2420727-7-jic23@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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| fs | ||
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| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
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| security | ||
| sound | ||
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| usr | ||
| virt | ||
| .clang-format | ||
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| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
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| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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| Kbuild | ||
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| Makefile | ||
| README | ||
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.