Jonathan Cameron 903e5ff430 iio: potentiometer: max5481: Fix alignment for DMA safety
[ Upstream commit ec1ac1c0e7a14657d729159ccfbea72f434bdaf1 ]

____cacheline_aligned is an insufficient guarantee for non-coherent DMA
on platforms with 128 byte cachelines above L1.  Switch to the updated
IIO_DMA_MINALIGN definition.

Fixes: df1fd2de118e ("iio: max5481: Add support for Maxim digital potentiometers")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-83-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-08-17 15:15:18 +02:00
2022-07-27 09:43:07 -07:00
2022-08-17 15:14:20 +02:00

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.
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