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fda7409a8f
MIPS doesn't declare find_pch_pic(), which makes a build warning:
>> drivers/irqchip/irq-loongson-pch-pic.c:51:5: warning: no previous prototype for function 'find_pch_pic' [-Wmissing-prototypes]
int find_pch_pic(u32 gsi)
^
drivers/irqchip/irq-loongson-pch-pic.c:51:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int find_pch_pic(u32 gsi)
^
static
1 warning generated.
Move find_pch_pic() into CONFIG_ACPI which only used by LoongArch to fix
the warning.
BTW, remove the duplicated declaration of find_pch_pic() in irq.h.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220808093205.3658485-1-chenhuacai@loongson.cn
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.