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Date: Mon, 14 Dec 2009 00:59:18 +0100
From: re.emese@...il.com
To: linux-kernel@...r.kernel.org
Cc: Emese Revfy <re.emese@...il.com>, tony.luck@...el.com,
mingo@...e.hu, akpm@...ux-foundation.org, bjorn.helgaas@...com,
torvalds@...ux-foundation.org
Subject: [PATCH 03/10] Constify struct dma_map_ops for 2.6.32-git-053fe57ac v2
From: Emese Revfy <re.emese@...il.com>
Signed-off-by: Emese Revfy <re.emese@...il.com>
---
arch/ia64/hp/common/hwsw_iommu.c | 4 ++--
arch/ia64/hp/common/sba_iommu.c | 4 ++--
arch/ia64/include/asm/dma-mapping.h | 10 +++++-----
arch/ia64/include/asm/machvec.h | 4 ++--
arch/ia64/kernel/dma-mapping.c | 4 ++--
arch/ia64/kernel/pci-dma.c | 2 +-
arch/ia64/kernel/pci-swiotlb.c | 2 +-
arch/ia64/sn/pci/pci_dma.c | 2 +-
8 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/arch/ia64/hp/common/hwsw_iommu.c b/arch/ia64/hp/common/hwsw_iommu.c
index e4a80d8..11a7ea1 100644
--- a/arch/ia64/hp/common/hwsw_iommu.c
+++ b/arch/ia64/hp/common/hwsw_iommu.c
@@ -17,7 +17,7 @@
#include <linux/swiotlb.h>
#include <asm/machvec.h>
-extern struct dma_map_ops sba_dma_ops, swiotlb_dma_ops;
+extern const struct dma_map_ops sba_dma_ops, swiotlb_dma_ops;
/* swiotlb declarations & definitions: */
extern int swiotlb_late_init_with_default_size (size_t size);
@@ -33,7 +33,7 @@ static inline int use_swiotlb(struct device *dev)
!sba_dma_ops.dma_supported(dev, *dev->dma_mask);
}
-struct dma_map_ops *hwsw_dma_get_ops(struct device *dev)
+const struct dma_map_ops *hwsw_dma_get_ops(struct device *dev)
{
if (use_swiotlb(dev))
return &swiotlb_dma_ops;
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index f332e3f..61faf7f 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -2077,7 +2077,7 @@ static struct acpi_driver acpi_sba_ioc_driver = {
},
};
-extern struct dma_map_ops swiotlb_dma_ops;
+extern const struct dma_map_ops swiotlb_dma_ops;
static int __init
sba_init(void)
@@ -2191,7 +2191,7 @@ sba_page_override(char *str)
__setup("sbapagesize=",sba_page_override);
-struct dma_map_ops sba_dma_ops = {
+const struct dma_map_ops sba_dma_ops = {
.alloc_coherent = sba_alloc_coherent,
.free_coherent = sba_free_coherent,
.map_page = sba_map_page,
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index 8d3c79c..71b3af6 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -12,7 +12,7 @@
#define ARCH_HAS_DMA_GET_REQUIRED_MASK
-extern struct dma_map_ops *dma_ops;
+extern const struct dma_map_ops *dma_ops;
extern struct ia64_machine_vector ia64_mv;
extern void set_iommu_machvec(void);
@@ -24,7 +24,7 @@ extern void machvec_dma_sync_sg(struct device *, struct scatterlist *, int,
static inline void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *daddr, gfp_t gfp)
{
- struct dma_map_ops *ops = platform_dma_get_ops(dev);
+ const struct dma_map_ops *ops = platform_dma_get_ops(dev);
void *caddr;
caddr = ops->alloc_coherent(dev, size, daddr, gfp);
@@ -35,7 +35,7 @@ static inline void *dma_alloc_coherent(struct device *dev, size_t size,
static inline void dma_free_coherent(struct device *dev, size_t size,
void *caddr, dma_addr_t daddr)
{
- struct dma_map_ops *ops = platform_dma_get_ops(dev);
+ const struct dma_map_ops *ops = platform_dma_get_ops(dev);
debug_dma_free_coherent(dev, size, caddr, daddr);
ops->free_coherent(dev, size, caddr, daddr);
}
@@ -49,13 +49,13 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
static inline int dma_mapping_error(struct device *dev, dma_addr_t daddr)
{
- struct dma_map_ops *ops = platform_dma_get_ops(dev);
+ const struct dma_map_ops *ops = platform_dma_get_ops(dev);
return ops->mapping_error(dev, daddr);
}
static inline int dma_supported(struct device *dev, u64 mask)
{
- struct dma_map_ops *ops = platform_dma_get_ops(dev);
+ const struct dma_map_ops *ops = platform_dma_get_ops(dev);
return ops->dma_supported(dev, mask);
}
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
index 367d299..9ad4279 100644
--- a/arch/ia64/include/asm/machvec.h
+++ b/arch/ia64/include/asm/machvec.h
@@ -45,7 +45,7 @@ typedef void ia64_mv_kernel_launch_event_t(void);
/* DMA-mapping interface: */
typedef void ia64_mv_dma_init (void);
typedef u64 ia64_mv_dma_get_required_mask (struct device *);
-typedef struct dma_map_ops *ia64_mv_dma_get_ops(struct device *);
+typedef const struct dma_map_ops *ia64_mv_dma_get_ops(struct device *);
/*
* WARNING: The legacy I/O space is _architected_. Platforms are
@@ -251,7 +251,7 @@ extern void machvec_init_from_cmdline(const char *cmdline);
# endif /* CONFIG_IA64_GENERIC */
extern void swiotlb_dma_init(void);
-extern struct dma_map_ops *dma_get_ops(struct device *);
+extern const struct dma_map_ops *dma_get_ops(struct device *);
/*
* Define default versions so we can extend machvec for new platforms without having
diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c
index f2c1600..969398a 100644
--- a/arch/ia64/kernel/dma-mapping.c
+++ b/arch/ia64/kernel/dma-mapping.c
@@ -3,7 +3,7 @@
/* Set this to 1 if there is a HW IOMMU in the system */
int iommu_detected __read_mostly;
-struct dma_map_ops *dma_ops;
+const struct dma_map_ops *dma_ops;
EXPORT_SYMBOL(dma_ops);
#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
@@ -16,7 +16,7 @@ static int __init dma_init(void)
}
fs_initcall(dma_init);
-struct dma_map_ops *dma_get_ops(struct device *dev)
+const struct dma_map_ops *dma_get_ops(struct device *dev)
{
return dma_ops;
}
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
index f6b1ff0..ccacc2f 100644
--- a/arch/ia64/kernel/pci-dma.c
+++ b/arch/ia64/kernel/pci-dma.c
@@ -43,7 +43,7 @@ struct device fallback_dev = {
.dma_mask = &fallback_dev.coherent_dma_mask,
};
-extern struct dma_map_ops intel_dma_ops;
+extern const struct dma_map_ops intel_dma_ops;
static int __init pci_iommu_init(void)
{
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 53292ab..60bba67 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -21,7 +21,7 @@ static void *ia64_swiotlb_alloc_coherent(struct device *dev, size_t size,
return swiotlb_alloc_coherent(dev, size, dma_handle, gfp);
}
-struct dma_map_ops swiotlb_dma_ops = {
+const struct dma_map_ops swiotlb_dma_ops = {
.alloc_coherent = ia64_swiotlb_alloc_coherent,
.free_coherent = swiotlb_free_coherent,
.map_page = swiotlb_map_page,
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 98b6849..8046766 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -464,7 +464,7 @@ int sn_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size)
return ret;
}
-static struct dma_map_ops sn_dma_ops = {
+static const struct dma_map_ops sn_dma_ops = {
.alloc_coherent = sn_dma_alloc_coherent,
.free_coherent = sn_dma_free_coherent,
.map_page = sn_dma_map_page,
--
1.6.5.3
--
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