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authorIngo Molnar <mingo@elte.hu>2009-03-31 13:53:43 +0200
committerIngo Molnar <mingo@elte.hu>2009-03-31 13:53:43 +0200
commit7bee946358c3cb957d4aa648fc5ab3cad0b232d0 (patch)
tree693061ebde2abc35ecc846e5084630d7225aaaff /arch/x86/kernel/pci-nommu.c
parentd820ac4c2fa881079e6b689d2098adce337558ae (diff)
parent15f7176eb1cccec0a332541285ee752b935c1c85 (diff)
Merge branch 'linus' into locking-for-linus
Conflicts: lib/Kconfig.debug
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 c70ab5a5d4c..c6d703b3932 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)