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0f52fcb99e
Use the uic_cmd->cmd_active as a flag to track the lifecycle of an UIC cmd. The flag is set before sending the UIC cmd and cleared in IRQ handler. When a PMC or UIC cmd completion timeout happens, if the flag is not set, instead of returning timeout error, we still treat it as a successful operation. This is to deal with the scenario in which completion has been raised but the one waiting for the completion cannot be awaken in time due to kernel scheduling problem. Link: https://lore.kernel.org/r/1604384682-15837-3-git-send-email-cang@codeaurora.org Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Can Guo <cang@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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.