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9aa60f3cba
Notice that the if the event state is EC_EVENT_READY, the event handling work cannot be pending, so it is not necessary to check the return value of queue_work() in acpi_ec_submit_event(). Moreover, whether or not there is any EC work pending at the moment can always be checked by looking at the events_in_progress and queries_in_progress counters, so acpi_ec_submit_event() and consequently advance_transaction() need not return results. Accordingly, make acpi_ec_dispatch_gpe() always use the counters mentioned above (for first_ec) to check if there is any pending EC work to flush and turn both acpi_ec_submit_event() and advance_transaction() into void functions (again, because they were void functions in the past). While at it, add a clarifying comment about the acpi_ec_mask_events() call in advance_transaction(). Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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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.