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Robin Murphy authored
The driver explicitly clears any existing fwspec before calling
mtk_iommu_v1_create_mapping(), but even if it didn't, the checks it's
doing there duplicate what iommu_fwspec_init() would do anyway. Clean
them up.

Reported-by: default avatarkernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407020415.KKnhPTUj-lkp@intel.com/


Signed-off-by: default avatarRobin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/7d6ebec135483f889af00eb376aa31c012efc3b2.1719919669.git.robin.murphy@arm.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
e7acc36f
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.