linux-kernel - [PATCH 0/6] asm-generic: io.h cleanups

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Message-Id: <20250315105907.1275012-1-arnd@kernel.org>
Date: Sat, 15 Mar 2025 11:59:01 +0100
From: Arnd Bergmann <arnd@...nel.org>
To: linux-arch@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>,
	Richard Henderson <richard.henderson@...aro.org>,
	Matt Turner <mattst88@...il.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Greg Ungerer <gerg@...ux-m68k.org>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
	Helge Deller <deller@....de>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Naveen N Rao <naveen@...nel.org>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	Rich Felker <dalias@...c.org>,
	John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
	Julian Vetter <julian@...er-limits.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	linux-alpha@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-m68k@...ts.linux-m68k.org,
	linux-mips@...r.kernel.org,
	linux-parisc@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org,
	linux-sh@...r.kernel.org
Subject: [PATCH 0/6] asm-generic: io.h cleanups

From: Arnd Bergmann <arnd@...db.de>

After the previous round of cleanups for asm-generic/io,h on the
ioread64 helpers, I had another look at the architecture specific
versions, especially those that caused build failures in the past.

These are some simplifications that I would like to merge at the same
time, please have a look. Hopefully these are all uncontroversial.

I have a few more patches for m68k that need a more thorough
review and testing, will post them after the merge window.

Arnd Bergmann (6):
  alpha: stop using asm-generic/iomap.h
  sh: remove duplicate ioread/iowrite helpers
  parisc: stop using asm-generic/iomap.h
  powerpc: asm/io.h: remove split ioread64/iowrite64 helpers
  mips: drop GENERIC_IOMAP wrapper
  m68k/nommu: stop using GENERIC_IOMAP

 arch/alpha/include/asm/io.h   |  31 ++++---
 arch/m68k/Kconfig             |   2 +-
 arch/m68k/include/asm/io_no.h |   4 -
 arch/mips/Kconfig             |   2 +-
 arch/mips/include/asm/io.h    |  21 ++---
 arch/mips/lib/iomap-pci.c     |   9 ++
 arch/parisc/include/asm/io.h  |  36 ++++++--
 arch/powerpc/include/asm/io.h |  48 ----------
 arch/sh/include/asm/io.h      |  30 ++-----
 arch/sh/kernel/Makefile       |   3 -
 arch/sh/kernel/iomap.c        | 162 ----------------------------------
 arch/sh/kernel/ioport.c       |   5 --
 arch/sh/lib/io.c              |   4 +-
 drivers/sh/clk/cpg.c          |  25 +++---
 14 files changed, 84 insertions(+), 298 deletions(-)
 delete mode 100644 arch/sh/kernel/iomap.c

-- 
2.39.5

Cc: Richard Henderson <richard.henderson@...aro.org>
Cc: Matt Turner <mattst88@...il.com>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Greg Ungerer <gerg@...ux-m68k.org>
Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>
Cc: Helge Deller <deller@....de>
Cc: Madhavan Srinivasan <maddy@...ux.ibm.com>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Nicholas Piggin <npiggin@...il.com>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: Naveen N Rao <naveen@...nel.org>
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc: Rich Felker <dalias@...c.org>
Cc: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Julian Vetter <julian@...er-limits.org>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: linux-alpha@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-m68k@...ts.linux-m68k.org
Cc: linux-mips@...r.kernel.org
Cc: linux-parisc@...r.kernel.org
Cc: linuxppc-dev@...ts.ozlabs.org
Cc: linux-sh@...r.kernel.org