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Using a fixed 3s polling timeout for all commands with R1B responses is a bit problematic. For some commands it means waiting longer than needed for the polling to be aborted, which may not a big issue, but still. For other commands, like for an erase (CMD38), may require longer timeouts than 3s. In these cases, we may end up treating the command as it failed, while it just needed some more time to complete successfully. Fix the problem by respecting the cmd->busy_timeout, which is provided by the mmc core. Cc: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20200414161413.3036-19-ulf.hansson@linaro.org
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.