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Mainline Linux tree for various devices, only for fun :)
530f9216a9
This patch implements two forms of out-of-band communication between
the AP and modem.
- QMI is a mechanism that allows clients running on the AP
interact with services running on the modem (and vice-versa).
The AP IPA driver uses QMI to communicate with the corresponding
IPA driver resident on the modem, to agree on parameters used
with the IPA hardware and to ensure both sides are ready before
entering operational mode.
- SMP2P is a more primitive mechanism available for the modem and
AP to communicate with each other. It provides a means for either
the AP or modem to interrupt the other, and furthermore, to provide
32 bits worth of information. The IPA driver uses SMP2P to tell
the modem what the state of the IPA clock was in the event of a
crash. This allows the modem to safely access the IPA hardware
(or avoid doing so) when a crash occurs, for example, to access
information within the IPA hardware.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| 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 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.