Merge tag 'v5.4.40' of...

Merge tag 'v5.4.40' of http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into ti-linux-5.4.y

This is the 5.4.40 stable release

* tag 'v5.4.40' of http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable

: (50 commits)
  Linux 5.4.40
  PM / devfreq: Add missing locking while setting suspend_freq
  udp: document udp_rcv_segment special case for looped packets
  tools headers UAPI: Sync copy of arm64's asm/unistd.h with the kernel sources
  Revert "drm/amd/display: setting the DIG_MODE to the correct value."
  mm/mremap: Add comment explaining the untagging behaviour of mremap()
  libbpf: Fix readelf output parsing for Fedora
  cgroup, netclassid: remove double cond_resched
  mac80211: add ieee80211_is_any_nullfunc()
  ACPI: PM: s2idle: Fix comment in acpi_s2idle_prepare_late()
  platform/x86: GPD pocket fan: Fix error message when temp-limits are out of range
  x86/kvm: fix a missing-prototypes "vmread_error"
  ALSA: hda: Match both PCI ID and SSID for driver blacklist
  hexagon: define ioremap_uc
  hexagon: clean up ioremap
  mfd: intel-lpss: Use devm_ioremap_uc for MMIO
  lib: devres: add a helper function for ioremap_uc
  Revert "software node: Simplify software_node_release() function"
  drm/amdgpu: Fix oops when pp_funcs is unset in ACPI event
  sctp: Fix SHUTDOWN CTSN Ack in the peer restart case
  ...

Signed-off-by: Dan Murphy <dmurphy@ti.com>