summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/pci-nommu.c
diff options
context:
space:
mode:
authorLen Brown <len.brown@intel.com>2009-04-05 02:14:15 -0400
committerLen Brown <len.brown@intel.com>2009-04-05 02:14:15 -0400
commit478c6a43fcbc6c11609f8cee7c7b57223907754f (patch)
treea7f7952099da60d33032aed6de9c0c56c9f8779e /arch/x86/kernel/pci-nommu.c
parent8a3f257c704e02aee9869decd069a806b45be3f1 (diff)
parent6bb597507f9839b13498781e481f5458aea33620 (diff)
downloadop-kernel-dev-478c6a43fcbc6c11609f8cee7c7b57223907754f.zip
op-kernel-dev-478c6a43fcbc6c11609f8cee7c7b57223907754f.tar.gz
Merge branch 'linus' into release
Conflicts: arch/x86/kernel/cpu/cpufreq/longhaul.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/x86/kernel/pci-nommu.c')
-rw-r--r--arch/x86/kernel/pci-nommu.c39
1 files changed, 20 insertions, 19 deletions
diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c
index c70ab5a..c6d703b 100644
--- a/arch/x86/kernel/pci-nommu.c
+++ b/arch/x86/kernel/pci-nommu.c
@@ -1,14 +1,14 @@
/* Fallback functions when the main IOMMU code is not compiled in. This
code is roughly equivalent to i386. */
-#include <linux/mm.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/string.h>
#include <linux/dma-mapping.h>
#include <linux/scatterlist.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/mm.h>
-#include <asm/iommu.h>
#include <asm/processor.h>
+#include <asm/iommu.h>
#include <asm/dma.h>
static int
@@ -25,19 +25,19 @@ check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size)
return 1;
}
-static dma_addr_t
-nommu_map_single(struct device *hwdev, phys_addr_t paddr, size_t size,
- int direction)
+static dma_addr_t nommu_map_page(struct device *dev, struct page *page,
+ unsigned long offset, size_t size,
+ enum dma_data_direction dir,
+ struct dma_attrs *attrs)
{
- dma_addr_t bus = paddr;
+ dma_addr_t bus = page_to_phys(page) + offset;
WARN_ON(size == 0);
- if (!check_addr("map_single", hwdev, bus, size))
- return bad_dma_address;
+ if (!check_addr("map_single", dev, bus, size))
+ return bad_dma_address;
flush_write_buffers();
return bus;
}
-
/* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scatter-gather version of the
* above pci_map_single interface. Here the scatter gather list
@@ -54,7 +54,8 @@ nommu_map_single(struct device *hwdev, phys_addr_t paddr, size_t size,
* the same here.
*/
static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
- int nents, int direction)
+ int nents, enum dma_data_direction dir,
+ struct dma_attrs *attrs)
{
struct scatterlist *s;
int i;
@@ -78,12 +79,12 @@ static void nommu_free_coherent(struct device *dev, size_t size, void *vaddr,
free_pages((unsigned long)vaddr, get_order(size));
}
-struct dma_mapping_ops nommu_dma_ops = {
- .alloc_coherent = dma_generic_alloc_coherent,
- .free_coherent = nommu_free_coherent,
- .map_single = nommu_map_single,
- .map_sg = nommu_map_sg,
- .is_phys = 1,
+struct dma_map_ops nommu_dma_ops = {
+ .alloc_coherent = dma_generic_alloc_coherent,
+ .free_coherent = nommu_free_coherent,
+ .map_sg = nommu_map_sg,
+ .map_page = nommu_map_page,
+ .is_phys = 1,
};
void __init no_iommu_init(void)
OpenPOWER on IntegriCloud