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Message-ID: <tip-4c73e8926623ca0f64c2c6111289ab8096fa647a@git.kernel.org>
Date: Wed, 29 Jul 2015 01:15:56 -0700
From: "tip-bot for Luis R. Rodriguez" <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: mpe@...erman.id.au, paulus@...ba.org, linux@...ck-us.net,
peter@...leysoftware.com, a.kesavan@...sung.com,
egtvedt@...fundet.no, sfr@...b.auug.org.au, hpa@...or.com,
geert@...ux-m68k.org, robh@...nel.org, hskinnemoen@...il.com,
toshi.kani@...com, gerg@...inux.org, gregkh@...uxfoundation.org,
yasutake.koichi@...panasonic.com, kyle@...hat.com,
torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
dhowells@...hat.com, peterz@...radead.org, cmetcalf@...hip.com,
bp@...e.de, mingo@...nel.org, will.deacon@....com,
fengguang.wu@...el.com, mcgrof@...e.com, benh@...nel.crashing.org,
tglx@...utronix.de
Subject: [tip:x86/mm] arch/*/io.h: Add ioremap_uc() to all architectures
Commit-ID: 4c73e8926623ca0f64c2c6111289ab8096fa647a
Gitweb: http://git.kernel.org/tip/4c73e8926623ca0f64c2c6111289ab8096fa647a
Author: Luis R. Rodriguez <mcgrof@...e.com>
AuthorDate: Tue, 28 Jul 2015 20:17:13 +0200
Committer: Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 29 Jul 2015 10:02:36 +0200
arch/*/io.h: Add ioremap_uc() to all architectures
This adds ioremap_uc() only for architectures that do not
include asm-generic.h/io.h as that already provides a default
definition for them for both cases where you have CONFIG_MMU
and you do not, and because of this, the number of architectures
this patch address is less than the architectures that the
ioremap_wt() patch addressed, "arch/*/io.h: Add ioremap_wt() to
all architectures").
In order to reduce the number of architectures we have to
modify by adding new architecture IO APIs we'll have to review
the architectures in this patch, see why they can't add
asm-generic.h/io.h or issues that would be created by doing
so and then spread a consistent inclusion of this header
towards the end of their own header. For instance arch/metag
includes the asm-generic/io.h *before* the ioremap*()
definitions, this should be the other way around but only
once we have guard wrappers for the non-MMU case also for
asm-generic/io.h.
Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Luis R. Rodriguez <mcgrof@...e.com>
Cc: Abhilash Kesavan <a.kesavan@...sung.com>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Borislav Petkov <bp@...e.de>
Cc: Chris Metcalf <cmetcalf@...hip.com>
Cc: David Howells <dhowells@...hat.com>
Cc: Fengguang Wu <fengguang.wu@...el.com>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Greg Ungerer <gerg@...inux.org>
Cc: Guenter Roeck <linux@...ck-us.net>
Cc: Haavard Skinnemoen <hskinnemoen@...il.com>
Cc: Hans-Christian Egtvedt <egtvedt@...fundet.no>
Cc: Koichi Yasutake <yasutake.koichi@...panasonic.com>
Cc: Kyle McMartin <kyle@...hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Hurley <peter@...leysoftware.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Rob Herring <robh@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Toshi Kani <toshi.kani@...com>
Cc: Will Deacon <will.deacon@....com>
Cc: linux-am33-list@...hat.com
Cc: linux-arch@...r.kernel.org
Cc: linux-m68k@...ts.linux-m68k.org
Cc: linux-sh@...r.kernel.org
Cc: linuxppc-dev@...ts.ozlabs.org
Link: http://lkml.kernel.org/r/20150728181713.GB30479@wotan.suse.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
arch/avr32/include/asm/io.h | 1 +
arch/frv/include/asm/io.h | 1 +
arch/m32r/include/asm/io.h | 1 +
arch/m68k/include/asm/io_mm.h | 1 +
arch/mn10300/include/asm/io.h | 1 +
arch/powerpc/include/asm/io.h | 1 +
arch/sh/include/asm/io.h | 1 +
arch/tile/include/asm/io.h | 1 +
8 files changed, 8 insertions(+)
diff --git a/arch/avr32/include/asm/io.h b/arch/avr32/include/asm/io.h
index e998ff5..f855646 100644
--- a/arch/avr32/include/asm/io.h
+++ b/arch/avr32/include/asm/io.h
@@ -297,6 +297,7 @@ extern void __iounmap(void __iomem *addr);
#define ioremap_wc ioremap_nocache
#define ioremap_wt ioremap_nocache
+#define ioremap_uc ioremap_nocache
#define cached(addr) P1SEGADDR(addr)
#define uncached(addr) P2SEGADDR(addr)
diff --git a/arch/frv/include/asm/io.h b/arch/frv/include/asm/io.h
index a31b63e..70dfbea 100644
--- a/arch/frv/include/asm/io.h
+++ b/arch/frv/include/asm/io.h
@@ -278,6 +278,7 @@ static inline void __iomem *ioremap_fullcache(unsigned long physaddr, unsigned l
}
#define ioremap_wc ioremap_nocache
+#define ioremap_uc ioremap_nocache
extern void iounmap(void volatile __iomem *addr);
diff --git a/arch/m32r/include/asm/io.h b/arch/m32r/include/asm/io.h
index 0c3f25e..4c4982a 100644
--- a/arch/m32r/include/asm/io.h
+++ b/arch/m32r/include/asm/io.h
@@ -69,6 +69,7 @@ extern void iounmap(volatile void __iomem *addr);
#define ioremap_nocache(off,size) ioremap(off,size)
#define ioremap_wc ioremap_nocache
#define ioremap_wt ioremap_nocache
+#define ioremap_uc ioremap_nocache
/*
* IO bus memory addresses are also 1:1 with the physical address
diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h
index 618c85d3..a0fce34 100644
--- a/arch/m68k/include/asm/io_mm.h
+++ b/arch/m68k/include/asm/io_mm.h
@@ -467,6 +467,7 @@ static inline void __iomem *ioremap_nocache(unsigned long physaddr, unsigned lon
{
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
}
+#define ioremap_uc ioremap_nocache
static inline void __iomem *ioremap_wt(unsigned long physaddr,
unsigned long size)
{
diff --git a/arch/mn10300/include/asm/io.h b/arch/mn10300/include/asm/io.h
index 07c5b4a..6218935 100644
--- a/arch/mn10300/include/asm/io.h
+++ b/arch/mn10300/include/asm/io.h
@@ -283,6 +283,7 @@ static inline void __iomem *ioremap_nocache(unsigned long offset, unsigned long
#define ioremap_wc ioremap_nocache
#define ioremap_wt ioremap_nocache
+#define ioremap_uc ioremap_nocache
static inline void iounmap(void __iomem *addr)
{
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index a8d2ef3..5879fde 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -721,6 +721,7 @@ extern void __iomem *ioremap_prot(phys_addr_t address, unsigned long size,
unsigned long flags);
extern void __iomem *ioremap_wc(phys_addr_t address, unsigned long size);
#define ioremap_nocache(addr, size) ioremap((addr), (size))
+#define ioremap_uc(addr, size) ioremap((addr), (size))
extern void iounmap(volatile void __iomem *addr);
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 728c4c5..93ec906 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -368,6 +368,7 @@ static inline int iounmap_fixed(void __iomem *addr) { return -EINVAL; }
#endif
#define ioremap_nocache ioremap
+#define ioremap_uc ioremap
#define iounmap __iounmap
/*
diff --git a/arch/tile/include/asm/io.h b/arch/tile/include/asm/io.h
index dc61de1..322b5fe 100644
--- a/arch/tile/include/asm/io.h
+++ b/arch/tile/include/asm/io.h
@@ -55,6 +55,7 @@ extern void iounmap(volatile void __iomem *addr);
#define ioremap_nocache(physaddr, size) ioremap(physaddr, size)
#define ioremap_wc(physaddr, size) ioremap(physaddr, size)
#define ioremap_wt(physaddr, size) ioremap(physaddr, size)
+#define ioremap_uc(physaddr, size) ioremap(physaddr, size)
#define ioremap_fullcache(physaddr, size) ioremap(physaddr, size)
#define mmiowb()
--
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