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A mirror of the official Linux kernel repository just in case
afb92ad873
PD3.1 spec ("8.3.3.3.3 PE_SNK_Wait_for_Capabilities State") mandates
that the policy engine perform a hard reset when SinkWaitCapTimer
expires. Instead the code explicitly does a GET_SOURCE_CAP when the
timer expires as part of SNK_WAIT_CAPABILITIES_TIMEOUT. Due to this the
following compliance test failures are reported by the compliance tester
(added excerpts from the PD Test Spec):
* COMMON.PROC.PD.2#1:
The Tester receives a Get_Source_Cap Message from the UUT. This
message is valid except the following conditions: [COMMON.PROC.PD.2#1]
a. The check fails if the UUT sends this message before the Tester
has established an Explicit Contract
...
* TEST.PD.PROT.SNK.4:
...
4. The check fails if the UUT does not send a Hard Reset between
tTypeCSinkWaitCap min and max. [TEST.PD.PROT.SNK.4#1] The delay is
between the VBUS present vSafe5V min and the time of the first bit
of Preamble of the Hard Reset sent by the UUT.
For the purpose of interoperability, restrict the quirk introduced in
https://lore.kernel.org/all/20240523171806.223727-1-sebastian.reichel@collabora.com/
to only non self-powered devices as battery powered devices will not
have the issue mentioned in that commit.
Cc: stable@vger.kernel.org
Fixes:
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||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| 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.