Commit 7b41f568 authored by Paul Mundt's avatar Paul Mundt

sh: Pre-allocate a reasonable number of DMA debug entries.

This prevents the DMA API debugging from running out of entries right
away on boot. Defines 4096 entries by default, which while a bit on the
heavy side, ought to leave enough breathing room for some time.
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 0ee50254
...@@ -10,12 +10,22 @@ ...@@ -10,12 +10,22 @@
* for more details. * for more details.
*/ */
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/init.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/dma-mapping.h> #include <linux/dma-mapping.h>
#include <linux/dma-debug.h> #include <linux/dma-debug.h>
#include <linux/io.h>
#include <asm/cacheflush.h> #include <asm/cacheflush.h>
#include <asm/addrspace.h> #include <asm/addrspace.h>
#include <asm/io.h>
#define PREALLOC_DMA_DEBUG_ENTRIES 4096
static int __init dma_init(void)
{
dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
return 0;
}
fs_initcall(dma_init);
void *dma_alloc_coherent(struct device *dev, size_t size, void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp) dma_addr_t *dma_handle, gfp_t gfp)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment