Bug#943598: linux-source-4.9: Func irq_remove_generic_chip is undefined .

[Corcodel Marian <corcodel.marian@gmail.com>]

Package: linux-source-4.9
Severity: normal

Func irq_remove_generic_chip is undefined but when compile file suppress
errors.Search func here:
  https://elixir.bootlin.com/linux/v5.0-rc6/ident/irq_remove_generic_chip



-- System Information:
Debian Release: 9.11
  APT prefers oldstable-updates
  APT policy: (500, 'oldstable-updates'), (500, 'oldstable-proposed-updates'), (500, 'oldstable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.0.0-rc6+ (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages linux-source-4.9 depends on:
ii  binutils  2.28-5
ii  xz-utils  5.2.2-1.2+b1

Versions of packages linux-source-4.9 recommends:
ii  bc                    1.06.95-9+b3
ii  gcc                   4:6.3.0-4
ii  libc6-dev [libc-dev]  2.24-11+deb9u4
ii  make                  4.1-9.1

Versions of packages linux-source-4.9 suggests:
ii  libncurses5-dev [ncurses-dev]  6.0+20161126-1+deb9u2
pn  libqt4-dev                     <none>
ii  pkg-config                     0.29-4+b1