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Some lantiq devices have two ICU controllers. The IRQ signal is routed to both of them and user can chose which ICU will resend the IRQ to their respective VPE. The patch adds the support for the second ICU. The patch changes a register definition of the driver. Instead of an individual IM, the whole ICU is defined. This will only affects openwrt patched kernel (vanilla doesn't have additional .dts files). Also spinlocks has been added, both cores can RMW different bitfields in the same register. Added affinity set function. The new VPE cpumask will take into the action at the irq enable. The functionality was tested on 4.14 openwrt kernel and TP-W9980B modem. Signed-off-by: Petr Cvek <petrcvekcz@gmail.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: hauke@hauke-m.de Cc: john@phrozen.org Cc: linux-mips@vger.kernel.org Cc: openwrt-devel@lists.openwrt.org Cc: pakahmar@hotmail.com |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.