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With commit79bdcb202a("ARM: 8906/1: drivers/amba: add reset control to amba bus probe") it is possible for the the amba bus driver to defer probing the device for its IDs because the reset driver may be probed later. However when a subsequent probe occurs, the call to request_resource() in the driver returns -EBUSY as the driver has not released the resource from the initial probe attempt - or cleaned up any of the preceding actions. Fix this both for the deferred probe case as well as a failure to get the reset. Fixes:79bdcb202a("ARM: 8906/1: drivers/amba: add reset control to amba bus probe") Reported-by: Dinh Nguyen <dinguyen@kernel.org> Tested-by: Dinh Nguyen <dinguyen@kernel.org> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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.