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e949dee362
It turned out that polling period for MMC_SEND_OP_COND, that currently is set to 1ms, still isn't sufficient. In particular a Micron eMMC on a Beaglebone platform, is reported to sometimes fail to initialize. Additional test, shows that extending the period to 4ms is working fine, so let's make that change. Reported-by: Jean Rene Dawin <jdawin@math.uni-bielefeld.de> Tested-by: Jean Rene Dawin <jdawin@math.uni-bielefeld.de> Fixes:1760fdb6fe(mmc: core: Restore (almost) the busy polling for MMC_SEND_OP_COND") Fixes:76bfc7ccc2("mmc: core: adjust polling interval for CMD1") Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20220517101046.27512-1-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.