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3f5aa5ac0b
The macro mipi_dbi_command() does not report errors unless you wrap it in another macro to do the error reporting. Report a rate-limited error so we know what is going on. After this any code wishing to send command arrays can rely on mipi_dbi_command() providing an appropriate error message if something goes wrong. Suggested-by: Noralf Trønnes <noralf@tronnes.org> Suggested-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210702135601.3952726-1-linus.walleij@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.