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commit 235b630eda072d7e7b102ab346d6b8a2c028a772 upstream. This commit reintroduces interrupt-based card detection previously used in the rts5139 driver. This functionality was removed in commit00d8521dcd("staging: remove rts5139 driver code"). Reintroducing this mechanism fixes presence detection for certain card readers, which with the current driver, will taken approximately 20 seconds to enter S3 as `mmc_rescan` has to be frozen. Fixes:00d8521dcd("staging: remove rts5139 driver code") Cc: stable@vger.kernel.org Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sean Rhodes <sean@starlabs.systems> Link: https://lore.kernel.org/r/20241119085815.11769-1-sean@starlabs.systems Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.