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54c86dd20b
Traditionally each PWM device had a unique ID stored in the "pwm" member of struct pwm_device. However this number was hardly used and dropped in the previous commit. To identify a certain PWM you're supposed to use the chip's ID and the hwpwm of the PWM device now. With the PWM chip base gone PWM chips can get their IDs better and simpler using an idr. This is expected to change the numbering of PWM chips, but nothing should rely on the numbering anyhow. Other than that the side effects are: - The PWM chip IDs are smaller and in most cases consecutive. - The ordering in /sys/kernel/debug/pwm is ordered by ascending PWM chip ID. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| sound | ||
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| .clang-format | ||
| .cocciconfig | ||
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| 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.