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[ Upstream commit9ec3c5517e] When SPI loopback transfer is performed, S3C64XX_SPI_MODE_SELF_LOOPBACK bit still remained. It works as loopback even if the next transfer is not spi loopback mode. If not SPI_LOOP, needs to clear S3C64XX_SPI_MODE_SELF_LOOPBACK bit. Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com> Fixes:ffb7bcd3b2("spi: s3c64xx: support loopback mode") Reviewed-by: Chanho Park <chanho61.park@samsung.com> Link: https://lore.kernel.org/r/20230711082020.138165-1-jaewon02.kim@samsung.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@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 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.