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Message-ID: <4703362.Atfd0HgCCK@wuerfel>
Date: Tue, 09 Dec 2014 23:01:03 +0100
From: Arnd Bergmann <arnd@...db.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: will.deacon@....com, thierry.reding@...il.com,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-arch@...r.kernel.org
Subject: [GIT PULL] asm-generic: asm/io.h rewrite
The following changes since commit f114040e3ea6e07372334ade75d1ee0775c355e1:
Linux 3.18-rc1 (2014-10-19 18:08:38 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git tags/asm-generic-for-linus
for you to fetch changes up to cb61f6769b8836081940ba26249f1b756400c7df:
ARM64: use GENERIC_PCI_IOMAP (2014-11-19 14:09:07 +0100)
----------------------------------------------------------------
asm-generic: asm/io.h rewrite
While there normally is no reason to have a pull request for asm-generic
but have all changes get merged through whichever tree needs them, I do
have a series for 3.19. There are two sets of patches that change
significant portions of asm/io.h, and this branch contains both in order
to resolve the conflicts:
- Will Deacon has done a set of patches to ensure that all architectures
define {read,write}{b,w,l,q}_relaxed() functions or get them by
including asm-generic/io.h. These functions are commonly used on ARM
specific drivers to avoid expensive L2 cache synchronization implied by
the normal {read,write}{b,w,l,q}, but we need to define them on all
architectures in order to share the drivers across architectures and
to enable CONFIG_COMPILE_TEST configurations for them
- Thierry Reding has done an unrelated set of patches that extends
the asm-generic/io.h file to the degree necessary to make it useful
on ARM64 and potentially other architectures.
----------------------------------------------------------------
Arnd Bergmann (5):
ARM: ixp4xx: Fix build with IXP4XX_INDIRECT_PCI
Merge branch 'asm-generic-io' of https://github.com/thierryreding/linux into asm-generic
Merge branch 'io' of git://git.kernel.org/.../will/linux into asm-generic
sparc: io: remove duplicate relaxed accessors on sparc32
ARM64: use GENERIC_PCI_IOMAP
Thierry Reding (10):
ARC: Remove redundant PCI_IOBASE declaration
ARM: ebsa110: Properly override I/O accessors
ARM: ixp4xx: Properly override I/O accessors
Change xlate_dev_{kmem,mem}_ptr() prototypes
/dev/mem: Use more consistent data types
asm-generic/io.h: Reconcile I/O accessor overrides
asm-generic/io.h: Implement generic {read,write}s*()
ARM: Use include/asm-generic/io.h
arm64: Use include/asm-generic/io.h
ARM: sa11x0: Use void __iomem * in MMIO accessors
Will Deacon (16):
asm-generic: io: implement relaxed accessor macros as conditional wrappers
microblaze: io: remove dummy relaxed accessor macros
s390: io: remove dummy relaxed accessor macros for reads
xtensa: io: remove dummy relaxed accessor macros for reads
frv: io: implement dummy relaxed accessor macros for writes
cris: io: implement dummy relaxed accessor macros for writes
ia64: io: implement dummy relaxed accessor macros for writes
m32r: io: implement dummy relaxed accessor macros for writes
m68k: io: implement dummy relaxed accessor macros for writes
mn10300: io: implement dummy relaxed accessor macros for writes
parisc: io: implement dummy relaxed accessor macros for writes
powerpc: io: implement dummy relaxed accessor macros for writes
sparc: io: implement dummy relaxed accessor macros for writes
tile: io: implement dummy relaxed accessor macros for writes
x86: io: implement dummy relaxed accessor macros for writes
documentation: memory-barriers: clarify relaxed io accessor semantics
Documentation/memory-barriers.txt | 13 +-
arch/arc/include/asm/io.h | 2 -
arch/arm/include/asm/io.h | 89 ++--
arch/arm/include/asm/memory.h | 4 +
arch/arm/mach-ebsa110/include/mach/io.h | 25 +-
arch/arm/mach-ebsa110/io.c | 14 +-
arch/arm/mach-ixp4xx/common.c | 2 +-
arch/arm/mach-ixp4xx/include/mach/io.h | 28 +-
arch/arm/mach-sa1100/pci-nanoengine.c | 8 +-
arch/arm64/Kconfig | 2 +-
arch/arm64/include/asm/io.h | 122 ++----
arch/arm64/include/asm/memory.h | 2 +
arch/cris/include/asm/io.h | 3 +
arch/frv/include/asm/io.h | 3 +
arch/ia64/include/asm/io.h | 4 +
arch/ia64/include/asm/uaccess.h | 16 +-
arch/m32r/include/asm/io.h | 3 +
arch/m68k/include/asm/io.h | 8 +
arch/m68k/include/asm/io_no.h | 4 -
arch/microblaze/include/asm/io.h | 8 -
arch/mn10300/include/asm/io.h | 4 +
arch/parisc/include/asm/io.h | 12 +-
arch/powerpc/include/asm/io.h | 12 +-
arch/s390/include/asm/io.h | 10 +-
arch/s390/mm/maccess.c | 4 +-
arch/sparc/include/asm/io_32.h | 4 -
arch/sparc/include/asm/io_64.h | 14 +-
arch/tile/include/asm/io.h | 4 +
arch/x86/include/asm/io.h | 8 +-
arch/x86/mm/ioremap.c | 4 +-
arch/xtensa/include/asm/io.h | 7 -
drivers/char/mem.c | 13 +-
include/asm-generic/io.h | 751 ++++++++++++++++++++++++++------
33 files changed, 837 insertions(+), 370 deletions(-)
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