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When a hard IRQ is triggered, the soft IRQ, which decides if an actual pen down happened, should always be triggered. This enables the usage of "can_sleep" GPIO chips as "pen down" GPIO, as the value is not read during the hard IRQ anymore. This might be the case if the GPIO chip is an expander behind i2c. Signed-off-by: Benjamin Bara <benjamin.bara@skidata.com> Signed-off-by: Richard Leitner <richard.leitner@skidata.com> Link: https://lore.kernel.org/r/20230328-tsc2007-sleep-v5-1-fc55e76d0ced@skidata.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| 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.