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7ba9bdcb91The variable "cur_mcmd" kept track of our current state (idle, xfer, cs, cancel). We don't really need it, so get rid of it. Instead: * Use separate condition variables for "chip select done", "cancel done", and "abort done". This is important so that if a "done" comes through (perhaps some previous interrupt finally came through) it can't confuse the cancel/abort function. * Use the "done" interrupt only for when a chip select or transfer is done and we can tell the difference by looking at whether "cur_xfer" is NULL. This is mostly a no-op change. However, it is possible it could fix an issue where a super delayed interrupt for a cancel command could have confused our waiting for an abort command. Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Link: https://lore.kernel.org/r/20200618080459.v4.5.Ib1e6855405fc9c99916ab7c7dee84d73a8bf3d68@changeid Signed-off-by: Mark Brown <broonie@kernel.org> |
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| fs | ||
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| kernel | ||
| lib | ||
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| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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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.