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eb9c1a41ea
As platform_get_irq() now prints an error when the interrupt does not
exist, this warnings are printed on bananapi-r2:
[ 4.935780] mt6577-uart 11004000.serial: IRQ index 1 not found
[ 4.962589] 11002000.serial: ttyS1 at MMIO 0x11002000 (irq = 202, base_baud = 1625000) is a ST16650V2
[ 4.972127] mt6577-uart 11002000.serial: IRQ index 1 not found
[ 4.998927] 11003000.serial: ttyS2 at MMIO 0x11003000 (irq = 203, base_baud = 1625000) is a ST16650V2
[ 5.008474] mt6577-uart 11003000.serial: IRQ index 1 not found
Fix this by calling platform_get_irq_optional() instead.
now it looks like this:
[ 4.872751] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
Fixes:
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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 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.