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3f80190937
Switch the driver from legacy gpio API (that uses flat GPIO numbering) to the newer gpiod API (which used descriptors and respects line polarities specified in ACPI or device tree). Because gpio handling code for SPI and I2C variants duplicates each other it is moved into the core code for the driver. Also, it seems that the driver never assigned tpm_dev->io_lpcpd in the past, so gpio-based power management was most likely not working ever. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko@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.