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5ef9b803a4
The AlphaProject AP-SH4A-3A/AP-SH4AD-0A SH boards use IRQ0 for their SMSC LAN911x Ethernet chip, so the networking on them must have been broken by commit965b2aa78f("net/smsc911x: fix irq resource allocation failure") which filtered out 0 as well as the negative error codes -- it was kinda correct at the time, as platform_get_irq() could return 0 on of_irq_get() failure and on the actual 0 in an IRQ resource. This issue was fixed by me (back in 2016!), so we should be able to fix this driver to allow IRQ0 usage again... When merging this to the stable kernels, make sure you also merge commite330b9a6bb("platform: don't return 0 from platform_get_irq[_byname]() on error") -- that's my fix to platform_get_irq() for the DT platforms... Fixes:965b2aa78f("net/smsc911x: fix irq resource allocation failure") Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Link: https://lore.kernel.org/r/656036e4-6387-38df-b8a7-6ba683b16e63@omp.ru Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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.