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c66e21fdc4
ADMA is only available on controller instances that are connected to the L3 interconnect and are bus mastering capable. As the MMCHS_HL_HWINFO is in the module registers before omap registers and sdhci registers, and the omap registers and sdhci registers can be at different offsets depending on the SoC, let's read MMCHS_HL_HWINFO directly. Let's also switch to using device_property_present() while at it. Signed-off-by: Tony Lindgren <tony@atomide.com> Link: https://lore.kernel.org/r/20210921110029.21944-6-tony@atomide.com Signed-off-by: Ulf Hansson <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.