[tip:x86/urgent] io-mapping: Fix the address space annotations

From: tip-bot for Francisco Jerez
Date: Sun Sep 05 2010 - 09:04:45 EST


Commit-ID: 29bc17ecb856ffb2b47c7009a71971c6f9334205
Gitweb: http://git.kernel.org/tip/29bc17ecb856ffb2b47c7009a71971c6f9334205
Author: Francisco Jerez <currojerez@xxxxxxxxxx>
AuthorDate: Sat, 4 Sep 2010 22:56:44 +0200
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Sun, 5 Sep 2010 14:26:15 +0200

io-mapping: Fix the address space annotations

Fixes a bunch of sparse warnings in io-mapping.h because of the
inconsistent __iomem usage.

Signed-off-by: Francisco Jerez <currojerez@xxxxxxxxxx>
LKML-Reference: <1283633804-11749-2-git-send-email-currojerez@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
include/linux/io-mapping.h | 24 ++++++++++++------------
1 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h
index 0a6b3d5..7fb5927 100644
--- a/include/linux/io-mapping.h
+++ b/include/linux/io-mapping.h
@@ -79,7 +79,7 @@ io_mapping_free(struct io_mapping *mapping)
}

/* Atomic map/unmap */
-static inline void *
+static inline void __iomem *
io_mapping_map_atomic_wc(struct io_mapping *mapping,
unsigned long offset,
int slot)
@@ -94,12 +94,12 @@ io_mapping_map_atomic_wc(struct io_mapping *mapping,
}

static inline void
-io_mapping_unmap_atomic(void *vaddr, int slot)
+io_mapping_unmap_atomic(void __iomem *vaddr, int slot)
{
iounmap_atomic(vaddr, slot);
}

-static inline void *
+static inline void __iomem *
io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset)
{
resource_size_t phys_addr;
@@ -111,7 +111,7 @@ io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset)
}

static inline void
-io_mapping_unmap(void *vaddr)
+io_mapping_unmap(void __iomem *vaddr)
{
iounmap(vaddr);
}
@@ -125,38 +125,38 @@ struct io_mapping;
static inline struct io_mapping *
io_mapping_create_wc(resource_size_t base, unsigned long size)
{
- return (struct io_mapping *) ioremap_wc(base, size);
+ return (struct io_mapping __force *) ioremap_wc(base, size);
}

static inline void
io_mapping_free(struct io_mapping *mapping)
{
- iounmap(mapping);
+ iounmap((void __force __iomem *) mapping);
}

/* Atomic map/unmap */
-static inline void *
+static inline void __iomem *
io_mapping_map_atomic_wc(struct io_mapping *mapping,
unsigned long offset,
int slot)
{
- return ((char *) mapping) + offset;
+ return ((char __force __iomem *) mapping) + offset;
}

static inline void
-io_mapping_unmap_atomic(void *vaddr, int slot)
+io_mapping_unmap_atomic(void __iomem *vaddr, int slot)
{
}

/* Non-atomic map/unmap */
-static inline void *
+static inline void __iomem *
io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset)
{
- return ((char *) mapping) + offset;
+ return ((char __force __iomem *) mapping) + offset;
}

static inline void
-io_mapping_unmap(void *vaddr)
+io_mapping_unmap(void __iomem *vaddr)
{
}

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