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856216b70a
GICD region was overlapping with GICR causing the latter to not map successfully, and in turn the gic-v3 driver would fail to initialize. This issue was hidden till commit2b2cd74a06("irqchip/gic-v3: Claim iomem resources") replaced of_iomap() calls with of_io_request_and_map() that internally called request_mem_region(). Respective console output before this patchset: [ 0.000000] GICv3: /bus@100000/interrupt-controller@1800000: couldn't map region 0 Fixes:b8545f9d3a("arm64: dts: ti: Add initial support for J721S2 SoC") Cc: linux-stable@vger.kernel.org Cc: Marc Zyngier <maz@kernel.org> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Nishanth Menon <nm@ti.com> Signed-off-by: Matt Ranostay <mranostay@ti.com> Acked-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Nishanth Menon <nm@ti.com> Link: https://lore.kernel.org/r/20220617151304.446607-1-mranostay@ti.com
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.
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.