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Peter Griffin ef8bfb00e9 scsi: ufs: exynos: Enable write line unique transactions on gs101
Currently just AXIDMA_RWDATA_BURST_LEN[3:0] field is set to 8 in
exynos_ufs_post_link() function.

To enable WLU transaction additionally we need to set Write Line Unique
enable [31], Write Line Unique Burst Length [30:27] and
AXIDMA_RWDATA_BURST_LEN[3:0].

To support WLU transaction on gs101, both burst length fields need to be
0x3. As all other SoCs expect the current value we update this in the
gs101_ufs_post_link() specific hook.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20241031150033.3440894-11-peter.griffin@linaro.org
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
History 2024-11-02 21:13:01 -04:00
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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.