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dc438bac71
The controls_rwsem of snd_card object is rather an internal lock, and not really meant to be used by others for its data protection. This patch addresses it by replacing the controls_rwsem usages with the own (new) mutex. Note that the up_write() and down_write() calls around gbaudio_remove_component_controls() are simply dropped without replacement. These temporary up/down were a workaround since gbaudio_remove_component_controls() itself took the rwsem. Now it was also gone, we can clean up the workaround, too. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Vaibhav Agarwal <vaibhav.sr@gmail.com> Cc: Mark Greer <mgreer@animalcreek.com> Cc: Johan Hovold <johan@kernel.org> Cc: Alex Elder <elder@kernel.org> Cc: greybus-dev@lists.linaro.org Link: https://lore.kernel.org/r/20230718141304.1032-8-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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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.