Théo Lebrun 9621a3d5a4 PCI: j721e: Add suspend and resume support
[ Upstream commit c538d40f365b5b6d7433d371710f58e8b266fb19 ]

Add suspend and resume support. Only the Root Complex mode is supported.

During the suspend stage PERST# is asserted, then deasserted during the
resume stage.

Link: https://lore.kernel.org/linux-pci/20240102-j7200-pcie-s2r-v7-7-a2f9156da6c3@bootlin.com
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
[kwilczynski: commit log, update references to the PCI SIG specification]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Stable-dep-of: 22a9120479a4 ("PCI: j721e: Deassert PERST# after a delay of PCIE_T_PVPERL_MS milliseconds")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-12-09 10:32:27 +01:00
2022-09-28 09:02:20 +02:00
2024-11-22 15:38:37 +01:00

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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