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We used '#ifdef MODULE' for judging whether the system supports the sound module or not, and /proc/asound/modules is created only when '#ifdef MODULE' is true. The check is not really appropriate, though, because the flag means only for the sound core and the drivers are still allowed to be built as modules even if 'MODULE' is not set in sound/core/init.c. For fixing the inconsistency, replace those ifdefs with 'ifdef CONFIG_MODULES'. One place for a NULL module check is rewritten with IS_MODULE(CONFIG_SND) to be more intuitive. It can't be changed to CONFIG_MODULES; otherwise it would hit a WARN_ON() incorrectly. This is a slight behavior change; the modules proc entry appears now no matter whether the sound core is built-in or not as long as modules are enabled on the kernel in general. This can't be avoided due to the nature of kernel builds. Link: https://lore.kernel.org/r/20240520170349.2417900-1-xu.yang_2@nxp.com Signed-off-by: Takashi Iwai <tiwai@suse.de> Tested-by: Xu Yang <xu.yang_2@nxp.com> Link: https://lore.kernel.org/r/20240522070442.17786-2-tiwai@suse.de |
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| arch | ||
| 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 | ||
| .editorconfig | ||
| .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 reStructuredText 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.