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Diffstat (limited to 'arch/sh/mm/consistent.c')
-rw-r--r--arch/sh/mm/consistent.c28
1 files changed, 10 insertions, 18 deletions
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index e098ec158ddb..902967e3f841 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -15,11 +15,15 @@
#include <linux/dma-mapping.h>
#include <linux/dma-debug.h>
#include <linux/io.h>
+#include <linux/module.h>
#include <asm/cacheflush.h>
#include <asm/addrspace.h>
#define PREALLOC_DMA_DEBUG_ENTRIES 4096
+struct dma_map_ops *dma_ops;
+EXPORT_SYMBOL(dma_ops);
+
static int __init dma_init(void)
{
dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
@@ -27,15 +31,12 @@ static int __init dma_init(void)
}
fs_initcall(dma_init);
-void *dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp)
+void *dma_generic_alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t gfp)
{
void *ret, *ret_nocache;
int order = get_order(size);
- if (dma_alloc_from_coherent(dev, size, dma_handle, &ret))
- return ret;
-
ret = (void *)__get_free_pages(gfp, order);
if (!ret)
return NULL;
@@ -57,35 +58,26 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
*dma_handle = virt_to_phys(ret);
- debug_dma_alloc_coherent(dev, size, *dma_handle, ret_nocache);
-
return ret_nocache;
}
-EXPORT_SYMBOL(dma_alloc_coherent);
-void dma_free_coherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle)
+void dma_generic_free_coherent(struct device *dev, size_t size,
+ void *vaddr, dma_addr_t dma_handle)
{
int order = get_order(size);
unsigned long pfn = dma_handle >> PAGE_SHIFT;
int k;
- WARN_ON(irqs_disabled()); /* for portability */
-
- if (dma_release_from_coherent(dev, order, vaddr))
- return;
-
- debug_dma_free_coherent(dev, size, vaddr, dma_handle);
for (k = 0; k < (1 << order); k++)
__free_pages(pfn_to_page(pfn + k), 0);
+
iounmap(vaddr);
}
-EXPORT_SYMBOL(dma_free_coherent);
void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction)
{
-#ifdef CONFIG_CPU_SH5
+#if defined(CONFIG_CPU_SH5) || defined(CONFIG_PMB)
void *p1addr = vaddr;
#else
void *p1addr = (void*) P1SEGADDR((unsigned long)vaddr);