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ddbbddd76a
Bump up the maximum numbers of micro-TLBS to 48. Each IPMMU device instance get micro-TLB assignment via the "iommus" property in DT. Older SoCs tend to use a maximum number of 32 micro-TLBs per IPMMU instance however newer SoCs such as r8a7796 make use of up to 48 micro-TLBs. At this point no SoC specific handling is done to validate the maximum number of micro-TLBs, and because of that the DT information is assumed to be within correct range for each particular SoC. If needed in the future SoC specific feature flags can be added to handle the maximum number of micro-TLBs without requiring DT changes, however at this point this does not seem necessary. Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Joerg Roedel <jroedel@suse.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 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.