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0b6ed71c3e
This patch adds basic tuning which changes the rx clock phase only until a working setting is found. On a Odroid C2 with 128GB eMMC card and 200 MHz MMC clock only 180° rx clock phase make the system boot w/o CRC errors. With other MMC devices / clock speeds this might be different, therefore don't change the driver config in general. When retuning skip the currently active parameter set. This avoids the current problematic config to be chosen again if it causes CRC errors just occasionally. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.