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Due to the discussion about cd-gpios and sdmmmc_det pin functionality [1], it would be better to use cd-gpios for now. When the sdmmc controller runtime-suspends, the detection logic inside the controller cannot detect anything anymore, which using the gpio variant fixes. The Rock 5B/5B+/5T already uses cd-gpios, so only get the pinctrl added. [1] https://lore.kernel.org/linux-rockchip/20240912152538.1.I858c2a0bf83606c8b59ba1ab6944978a398d2ac5@changeid/ Signed-off-by: FUKAUMI Naoki <naoki@radxa.com> [amended commit description a bit and squashed the pinctrl patch] Link: https://patch.msgid.link/20251111071730.126238-2-naoki@radxa.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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.