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commit27ec9dc17cupstream. There is not enough space being allocated when DCMD is disabled. CQE_DCMD is not necessary to be enabled when CQE is enabled. (Software could halt CQE to send command) In the case that CQE_DCMD is not enabled, it still needs to allocate space for data transfer. For instance: CQE_DCMD is enabled: 31 slots space (one slot used by DCMD) CQE_DCMD is disabled: 32 slots space Fixes:a4080225f5("mmc: cqhci: support for command queue enabled host") Signed-off-by: Alamy Liu <alamy.liu@gmail.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.