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c230035c2f
It is not unreasonable to assume that users will use terminal emulation software to communicate directly with a WWAN device over the AT port. But terminal emulators will refuse to work with a device that does not support terminal IOCTLs (e.g. TCGETS, TCSETS, TIOCMSET, etc.). To make it possible to interact with the WWAN AT port using a terminal emulator, implement a minimal set of terminal IOCTLs. The implementation is rather stub, no passed data are actually used to control a port behaviour. An obtained configuration is kept inside the port structure and returned back by a request. The latter is done to fool a program that will test the configuration status by comparing the readed back data from the device with earlier configured ones. Tested with fresh versions of minicom and picocom terminal apps. MBIM, QMI and other ports for binary protocols can hardly be considered a terminal device, so terminal IOCTLs are only implemented for the AT port. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| 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.