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Jie Gan af82868328 coresight: tpda: fix the logic to setup the element size 
[ Upstream commit 43e0a92c04 ]

Some TPDM devices support both CMB and DSB datasets, requiring
the system to enable the port with both corresponding element sizes.

Currently, the logic treats tpdm_read_element_size as successful if
the CMB element size is retrieved correctly, regardless of whether
the DSB element size is obtained. This behavior causes issues
when parsing data from TPDM devices that depend on both element sizes.

To address this, the function should explicitly fail if the DSB
element size cannot be read correctly.

Fixes: e6d7f5252f ("coresight-tpda: Add support to configure CMB element")
Reviewed-by: James Clark <james.clark@linaro.org>
Signed-off-by: Jie Gan <jie.gan@oss.qualcomm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20250906-fix_element_size_issue-v2-1-dbb0ac2541a9@oss.qualcomm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-10-15 12:00:16 +02:00
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README

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.