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54846c2ea7
Unify on using poll_timeout_us() throughout instead of mixing with readx_poll_timeout(). While the latter can be ever so slightly simpler, they are both complicated enough that it's better to unify on one approach only. While at it, better separate the handling of error returns from drm_dp_dpcd_readb() and the actual status byte. This is best achieved by inlining the read_fec_detected_status() function, and switching to drm_dp_dpcd_read_byte(). v2: Use drm_dp_dpcd_read_byte() (Imre) Cc: Imre Deak <imre.deak@intel.com> Reviewed-by: Jouni Högander <jouni.hogander@intel.com> Link: https://lore.kernel.org/r/63b10a36c7ab545c640b24bc8fc007ce2ea74623.1756383233.git.jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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 reStructuredText 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.