Merge branch 'linus' into core/generic-dma-coherent

Conflicts:

	arch/x86/Kconfig

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2008-07-29 00:07:55 +02:00
5307 changed files with 319368 additions and 174336 deletions

View File

@@ -10,6 +10,7 @@
* for more details.
*/
#include <linux/mm.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <asm/cacheflush.h>
#include <asm/addrspace.h>
@@ -93,3 +94,32 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
}
}
EXPORT_SYMBOL(dma_cache_sync);
int platform_resource_setup_memory(struct platform_device *pdev,
char *name, unsigned long memsize)
{
struct resource *r;
dma_addr_t dma_handle;
void *buf;
r = pdev->resource + pdev->num_resources - 1;
if (r->flags) {
pr_warning("%s: unable to find empty space for resource\n",
name);
return -EINVAL;
}
buf = dma_alloc_coherent(NULL, memsize, &dma_handle, GFP_KERNEL);
if (!buf) {
pr_warning("%s: unable to allocate memory\n", name);
return -ENOMEM;
}
memset(buf, 0, memsize);
r->flags = IORESOURCE_MEM;
r->start = dma_handle;
r->end = r->start + memsize - 1;
r->name = name;
return 0;
}