[SRU][Focal][PULL] Focal update: v5.4.256 upstream stable release

[Manuel Diewald]

This pull request (5 commits) includes the following Focal stable patchsets:

        Focal update: v5.4.256 upstream stable release
        https://bugs.launchpad.net/bugs/2039446

Note also that the 'focal/stable-next' branch head contains this and all
prior pending upstream stable releases. I recommend fetching and
applying just this reference ('focal/stable-next') instead of each
tags/focal-stable-v5.4.xxx reference:

  git://git.launchpad.net/~diewald/+git/ubuntu-kernel-stable focal/stable-next

 -Manuel

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The following changes since commit 63aa613395caa5dee9692a0a95c30c3a37b12eaa:

  UBUNTU: Upstream stable to v5.4.255 (2023-10-16 14:01:56 +0200)

are available in the Git repository at:

  git://git.launchpad.net/~diewald/+git/ubuntu-kernel-stable tags/focal-stable-v5.4.256

for you to fetch changes up to 6d59fd88cbb6d63b325ae66797e412324b0bf399:

  UBUNTU: Upstream stable to v5.4.256 (2023-10-16 15:07:03 +0200)

----------------------------------------------------------------
Greg Kroah-Hartman (2):
      Revert "MIPS: Alchemy: fix dbdma2"
      Linux 5.4.256

Ilie Halip (1):
      powerpc/pmac/smp: Avoid unused-variable warnings

Manuel Diewald (1):
      UBUNTU: Upstream stable to v5.4.256

YueHaibing (1):
      powerpc/pmac/smp: Drop unnecessary volatile qualifier

 Makefile                              |  2 +-
 arch/mips/alchemy/common/dbdma.c      | 27 ++++++++++++---------------
 arch/powerpc/platforms/powermac/smp.c |  8 ++++----
 debian.master/upstream-stable         |  2 +-
 4 files changed, 18 insertions(+), 21 deletions(-)