[PATCH 00/18] arch: Consolidate <asm/fb.h>

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Various architectures provide <arm/fb.h> with helpers for fbdev
framebuffer devices. Share the contained code where possible. There
is already <asm-generic/fb.h>, which implements generic (as in
'empty') functions of the fbdev helpers. The header was added in
commit aafe4dbed0bf ("asm-generic: add generic versions of common
headers"), but never used.

Each per-architecture header file declares and/or implements fbdev
helpers and defines a preprocessor token for each. The generic
header then provides the remaining helpers. It works like the I/O
helpers in <asm/io.h>.

For PARISC, the architecture helpers are mixed up with helpers
for the system's STI graphics firmware. We first move the STI code
to appropriate locations under video/ and then move the architecture
helper under arch/parisc.

For Sparc, there's an additional patch that moves the implementation
from the header into a source file. This allows to avoid some include
statements in the header file.

Built on arm, arm64, m68k, mips, parisc, powerpc, sparc and x86.

Thomas Zimmermann (18):
  fbdev: Prepare generic architecture helpers
  arch/arc: Implement <asm/fb.h> with generic helpers
  arch/arm: Implement <asm/fb.h> with generic helpers
  arch/arm64: Implement <asm/fb.h> with generic helpers
  arch/ia64: Implement <asm/fb.h> with generic helpers
  arch/loongarch: Implement <asm/fb.h> with generic helpers
  arch/m68k: Implement <asm/fb.h> with generic helpers
  arch/mips: Implement <asm/fb.h> with generic helpers
  video: Remove trailing whitespaces
  video: Move HP PARISC STI core code to shared location
  arch/parisc: Remove trailing whitespaces
  arch/parisc: Implement fb_is_primary_device() under arch/parisc
  arch/parisc: Implement <asm/fb.h> with generic helpers
  arch/powerpc: Implement <asm/fb.h> with generic helpers
  arch/sh: Implement <asm/fb.h> with generic helpers
  arch/sparc: Implement fb_is_primary_device() in source file
  arch/sparc: Implement <asm/fb.h> with generic helpers
  arch/x86: Implement <asm/fb.h> with generic helpers

 arch/arc/include/asm/fb.h                     |  11 +-
 arch/arm/include/asm/fb.h                     |  10 +-
 arch/arm64/include/asm/fb.h                   |  10 +-
 arch/ia64/include/asm/fb.h                    |  11 +-
 arch/loongarch/include/asm/fb.h               |  10 +-
 arch/m68k/include/asm/fb.h                    |  10 +-
 arch/mips/include/asm/fb.h                    |  10 +-
 arch/parisc/Makefile                          |   4 +-
 arch/parisc/include/asm/fb.h                  |  17 +-
 arch/parisc/video/Makefile                    |   3 +
 arch/parisc/video/fbdev.c                     |  27 +++
 arch/powerpc/include/asm/fb.h                 |   8 +-
 arch/sh/include/asm/fb.h                      |  10 +-
 arch/sparc/Makefile                           |   1 +
 arch/sparc/include/asm/fb.h                   |  30 ++--
 arch/sparc/video/Makefile                     |   3 +
 arch/sparc/video/fbdev.c                      |  24 +++
 arch/x86/include/asm/fb.h                     |  11 +-
 drivers/video/Kconfig                         |   7 +
 drivers/video/Makefile                        |   1 +
 drivers/video/console/Kconfig                 |   1 +
 drivers/video/console/Makefile                |   4 +-
 drivers/video/console/sticon.c                |   6 +-
 drivers/video/fbdev/Kconfig                   |   3 +-
 drivers/video/fbdev/stifb.c                   | 158 +++++++++---------
 drivers/video/{console => }/sticore.c         | 123 ++++++--------
 include/asm-generic/fb.h                      |  20 ++-
 .../video/fbdev => include/video}/sticore.h   |  16 +-
 28 files changed, 297 insertions(+), 252 deletions(-)
 create mode 100644 arch/parisc/video/Makefile
 create mode 100644 arch/parisc/video/fbdev.c
 create mode 100644 arch/sparc/video/Makefile
 create mode 100644 arch/sparc/video/fbdev.c
 rename drivers/video/{console => }/sticore.c (95%)
 rename {drivers/video/fbdev => include/video}/sticore.h (99%)


base-commit: a7180debb9c631375684f4d717466cfb9f238660
-- 
2.40.0




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