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7db5fd6b75
The irqsteer IP routes groups of input interrupts to a dedicated system interrupt per group. Each group handles 64 input interrupts. The current driver is limited to 8 groups, i.e. 512 input interrupts, which is sufficient for the existing i.MX SoCs. The upcoming i.MX94 family extends the irqsteer IP to 15 groups, i.e. 960 interrupts. Extending the group limit to 15 enables this, but the new SoCs are not guaranteed to utilize all 15 groups. Unused groups have no mapping for the underlying output interrupt, which makes the probe function fail as it expects a valid mapping for each group output. Remove this limitation and stop the mapping loop, when no valid mapping is detected. [ tglx: Massage change log ] Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Signed-off-by: Jacky Bai <ping.bai@nxp.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ye Li <ye.li@nxp.com> Reviewed-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> Link: https://lore.kernel.org/all/20250305095522.2177843-1-ping.bai@nxp.com |
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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.