lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

dma-debug: x86 architecture bindings

Browse Source 
Impact: make use of DMA-API debugging code in x86

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel
2009-01-09 15:13:15 +01:00
parent ac26c18bd3
commit 2118d0c548
3 changed files with 46 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/x86/kernel/pci-dma.c
View File

@ -1,4 +1,5 @@
#include <linux/dma-mapping.h>
#include <linux/dma-debug.h>
#include <linux/dmar.h>
#include <linux/bootmem.h>
#include <linux/pci.h>
@ -44,6 +45,9 @@ struct device x86_dma_fallback_dev = {
};
EXPORT_SYMBOL(x86_dma_fallback_dev);
/* Number of entries preallocated for DMA-API debugging */
#define PREALLOC_DMA_DEBUG_ENTRIES 32768
int dma_set_mask(struct device *dev, u64 mask)
{
if (!dev->dma_mask || !dma_supported(dev, mask))
@ -265,6 +269,8 @@ EXPORT_SYMBOL(dma_supported);
static int __init pci_iommu_init(void)
{
dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
calgary_iommu_init();
intel_iommu_init();