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22a94021e7
The rk808 driver registers a bunch of regulator devices in a loop. If one of the later regulators fails to register (usually because its input supply is not yet available) everything will be unrolled (i.e. previously registered regulators will be unregistered). With asynchronous registration there might already be consumers, though. We do not have the necessary infrastructure to properly unregister the consumer device, so this scenario should be avoided. First checking all input supplies or disallowing usage of the regulators until all are registered does not work, since there can be self-references (e.g. DCDC channels providing the supply of LDOs). The only sensible solution I found is registering the regulator devices asynchronously, so that we do not have to unroll. Since this is a major rework let's revert back to synchronous probing for now to fix the issue at hand. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20230504173618.142075-14-sebastian.reichel@collabora.com Signed-off-by: Mark Brown <broonie@kernel.org> |
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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.