[GIT PULL] csky changes for v5.19-rc1

[guoren]

Hi Linus,

Please pull the latest csky changes from:

The following changes since commit 3123109284176b1532874591f7c81f3837bbdc17:

  Linux 5.18-rc1 (2022-04-03 14:08:21 -0700)

are available in the Git repository at:

  https://github.com/c-sky/csky-linux.git tags/csky-for-linus-5.19-rc1

for you to fetch changes up to 64d83f06774668081258bd7f3241267239bb9ab2:

  csky: Move $(core-y) into arch/csky/Kbuild (2022-05-13 15:09:28 +0800)

----------------------------------------------------------------
arch/csky patches for 5.19-rc1

This pull request we've done:
 - Three atomic optimization
 - Memcpy/memcpy_io optimization
 - Some coding conventions for Kbuild, removing the warning

----------------------------------------------------------------
Deyan Wang (1):
      csky: Fix versioncheck warnings

Guo Ren (5):
      csky: patch_text: Fixup last cpu should be master
      csky: optimize memcpy_{from,to}io() and memset_io()
      csky: atomic: Optimize cmpxchg with acquire & release
      csky: atomic: Add custom atomic.h implementation
      csky: atomic: Add conditional atomic operations' optimization

Julia Lawall (1):
      csky: fix typos in comments

Masahiro Yamada (3):
      csky: Remove unused $(dtb-y) from boot/Makefile
      csky: Remove unused core-y for dts
      csky: Move $(core-y) into arch/csky/Kbuild

Matteo Croce (1):
      csky: Add C based string functions

 arch/csky/Kbuild                  |   2 +
 arch/csky/Kconfig                 |   8 +
 arch/csky/Makefile                |   3 -
 arch/csky/abiv1/Makefile          |   2 -
 arch/csky/abiv1/memcpy.S          | 347 --------------------------------------
 arch/csky/abiv1/strksyms.c        |   6 -
 arch/csky/abiv2/Makefile          |   2 +
 arch/csky/abiv2/strksyms.c        |   4 +-
 arch/csky/boot/Makefile           |   1 -
 arch/csky/include/asm/atomic.h    | 237 ++++++++++++++++++++++++++
 arch/csky/include/asm/barrier.h   |  11 +-
 arch/csky/include/asm/cmpxchg.h   |  64 ++++++-
 arch/csky/include/asm/io.h        |  12 +-
 arch/csky/kernel/Makefile         |   2 +-
 arch/csky/kernel/io.c             |  91 ++++++++++
 arch/csky/kernel/module.c         |   2 +-
 arch/csky/kernel/probes/kprobes.c |   2 +-
 arch/csky/kernel/probes/uprobes.c |   2 +-
 arch/csky/kernel/process.c        |   1 -
 arch/csky/lib/Makefile            |   3 +
 arch/csky/lib/string.c            | 134 +++++++++++++++
 arch/csky/mm/dma-mapping.c        |   1 -
 22 files changed, 562 insertions(+), 375 deletions(-)
 delete mode 100644 arch/csky/abiv1/memcpy.S
 delete mode 100644 arch/csky/abiv1/strksyms.c
 create mode 100644 arch/csky/include/asm/atomic.h
 create mode 100644 arch/csky/kernel/io.c
 create mode 100644 arch/csky/lib/string.c