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a11ebe138b
The check for the existence of callbacks before using them implies that this happens and is supported. There are no devices without enable/disable callbacks, and it wouldn't be possible to add a new working device without adding them either, so just remove them. Furthermore, there are more callbacks than just enable and disable that are already used unguarded in other places. The comment about new session compatibility doesn't seem to match up to the line of code that it's on so remove it. I think it's alluding to the fact that sinks will check if they were already enabled via sysfs or Perf and fail the enable. But there are more detailed comments at those places, and this one isn't very useful. Signed-off-by: James Clark <james.clark@arm.com> Link: https://lore.kernel.org/r/20240129154050.569566-4-james.clark@arm.com Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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.