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ce3a66e6df
The refactoring done as part of adding the core support for handling waiting for slave transfer dropped a conditional which meant that we started waiting for completion of all transfers, not just those that the controller asked for. This caused hangs and massive delays on platforms that don't need the core delay. Re-add the delay to fix this. Fixes:810923f3bf(spi: Deal with slaves that return from transfer_one() unfinished) Change-Id: I8fe4c6d42bc7c64d9c9b6803d154ec169752283f Reported-by: Tony Lindgren <tony@atomide.com> Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Jon Lin <jon.lin@rock-chips.com> (cherry picked from commitd57e79601b)
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.