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Beleswar Padhi 30b031c0bd remoteproc: k3-m4: Don't assert reset in detach routine commit `2353252459` upstream. The rproc_detach() function invokes __rproc_detach() before rproc_unprepare_device(). The __rproc_detach() function sets the rproc->state to "RPROC_DETACHED". However, the TI K3 M4 driver erroneously looks for "RPROC_ATTACHED" state in its .unprepare ops to identify IPC-only mode; which leads to resetting the rproc in detach routine. Therefore, correct the IPC-only mode detection logic to look for "RPROC_DETACHED" in k3_m4_rproc_unprepare() function. Fixes: `ebcf9008a8` ("remoteproc: k3-m4: Add a remoteproc driver for M4F subsystem") Signed-off-by: Beleswar Padhi <b-padhi@ti.com> Reviewed-by: Hari Nagalla <hnagalla@ti.com> Reviewed-by: Martyn Welch <martyn.welch@collabora.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20250513054510.3439842-5-b-padhi@ti.com Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		History 2025-06-27 11:11:24 +01:00
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README

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.