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967ca91a99
Trusted Platform Module requires flow control. As defined in TPM interface specification, client would drive MISO line at same cycle as last address bit on MOSI. Tegra234 and Tegra241 QSPI controllers have TPM wait state detection feature which is enabled for TPM client devices reported in SPI device mode bits. Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com> Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com> Link: https://lore.kernel.org/r/20230421091309.2672-4-kyarlagadda@nvidia.com Signed-off-by: Mark Brown <broonie@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.