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Linux kernel source tree
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Use "cat dm_cap" to show all features; where, prefix +/- means feature is enabled/disabled: $ cat dm_cap DM capability 0x00000002 ( 1) +TXGAPK To control dm_cap: use "echo +1 > dm_cap" to enable TXGAPK use "echo -1 > dm_cap" to disable TXGAPK Below is an example to disable TXGAPK. $ echo -1 > dm_cap $ cat dm_cap DM capability 0x00000000 ( 1) -TXGAPK Below is an example to show TXGAPK status $ echo 1 > dm_cap; cat dm_cap ( 1) +TXGAPK path 0: 0x56 = 0x88c89 [TXGAPK] offset 1 0 [TXGAPK] offset 1 1 [TXGAPK] offset 1 2 [TXGAPK] offset 1 3 [TXGAPK] offset 0 4 [TXGAPK] offset 0 5 [TXGAPK] offset 0 6 [TXGAPK] offset 0 7 [TXGAPK] offset 0 8 [TXGAPK] offset 0 9 path 1: 0x56 = 0x89c89 [TXGAPK] offset 1 0 [TXGAPK] offset 1 1 [TXGAPK] offset 1 2 [TXGAPK] offset 1 3 [TXGAPK] offset 0 4 [TXGAPK] offset 0 5 [TXGAPK] offset 0 6 [TXGAPK] offset 0 7 [TXGAPK] offset 0 8 [TXGAPK] offset 0 9 Signed-off-by: Guo-Feng Fan <vincent_fann@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20210419003748.3224-4-pkshih@realtek.com |
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| 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.