[ARM] Rename consistent_sync() as dma_cache_maint()
consistent_sync() is used to handle the cache maintainence issues with
DMA operations. Since we've now removed the misuse of this function
from the two MTD drivers, rename it to prevent future mis-use.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index b36b1e8..44ab0da 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -263,7 +263,7 @@
* We don't need to sync the DMA buffer since
* it was allocated via the coherent allocators.
*/
- consistent_sync(ptr, size, dir);
+ dma_cache_maint(ptr, size, dir);
}
return dma_addr;
@@ -383,7 +383,7 @@
* via the coherent allocators.
*/
} else {
- consistent_sync(dma_to_virt(dev, dma_addr), size, dir);
+ dma_cache_maint(dma_to_virt(dev, dma_addr), size, dir);
}
}
diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c
index 1f9f94f..cefdf2f 100644
--- a/arch/arm/mm/consistent.c
+++ b/arch/arm/mm/consistent.c
@@ -481,7 +481,7 @@
* platforms with CONFIG_DMABOUNCE.
* Use the driver DMA support - see dma-mapping.h (dma_sync_*)
*/
-void consistent_sync(const void *start, size_t size, int direction)
+void dma_cache_maint(const void *start, size_t size, int direction)
{
const void *end = start + size;
@@ -504,4 +504,4 @@
BUG();
}
}
-EXPORT_SYMBOL(consistent_sync);
+EXPORT_SYMBOL(dma_cache_maint);
diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h
index c8b5d0d..678134b 100644
--- a/include/asm-arm/dma-mapping.h
+++ b/include/asm-arm/dma-mapping.h
@@ -17,7 +17,7 @@
* platforms with CONFIG_DMABOUNCE.
* Use the driver DMA support - see dma-mapping.h (dma_sync_*)
*/
-extern void consistent_sync(const void *kaddr, size_t size, int rw);
+extern void dma_cache_maint(const void *kaddr, size_t size, int rw);
/*
* Return whether the given device DMA address mask can be supported
@@ -165,7 +165,7 @@
enum dma_data_direction dir)
{
if (!arch_is_coherent())
- consistent_sync(cpu_addr, size, dir);
+ dma_cache_maint(cpu_addr, size, dir);
return virt_to_dma(dev, (unsigned long)cpu_addr);
}
@@ -278,7 +278,7 @@
virt = page_address(sg->page) + sg->offset;
if (!arch_is_coherent())
- consistent_sync(virt, sg->length, dir);
+ dma_cache_maint(virt, sg->length, dir);
}
return nents;
@@ -334,7 +334,7 @@
enum dma_data_direction dir)
{
if (!arch_is_coherent())
- consistent_sync((void *)dma_to_virt(dev, handle), size, dir);
+ dma_cache_maint((void *)dma_to_virt(dev, handle), size, dir);
}
static inline void
@@ -342,7 +342,7 @@
enum dma_data_direction dir)
{
if (!arch_is_coherent())
- consistent_sync((void *)dma_to_virt(dev, handle), size, dir);
+ dma_cache_maint((void *)dma_to_virt(dev, handle), size, dir);
}
#else
extern void dma_sync_single_for_cpu(struct device*, dma_addr_t, size_t, enum dma_data_direction);
@@ -373,7 +373,7 @@
for (i = 0; i < nents; i++, sg++) {
char *virt = page_address(sg->page) + sg->offset;
if (!arch_is_coherent())
- consistent_sync(virt, sg->length, dir);
+ dma_cache_maint(virt, sg->length, dir);
}
}
@@ -386,7 +386,7 @@
for (i = 0; i < nents; i++, sg++) {
char *virt = page_address(sg->page) + sg->offset;
if (!arch_is_coherent())
- consistent_sync(virt, sg->length, dir);
+ dma_cache_maint(virt, sg->length, dir);
}
}
#else