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04f967ad28
Via __mmc_poll_for_busy() we end up polling with the ->card_busy() host ops or by sending the CMD13. To allow polling of different types, which is needed to support a few new SD card features, let's rework the code around __mmc_poll_for_busy() to make it more generic. More precisely, let __mmc_poll_for_busy() take a pointer to a callback function as in-parameter, which it calls to poll for busy state completion. Additionally, let's share __mmc_poll_for_busy() to allow it to be re-used outside of mmc_ops.c. Subsequent changes will make use of it. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com> Acked-by: Avri Altman <avri.altman@wdc.com> Link: https://lore.kernel.org/r/20210504161222.101536-5-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.