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x86: delete empty functions from pci-nommu_64.c 

This functions are now called conditionally on their
existence in the struct. So just delete them, instead
of keeping an empty implementation.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Glauber Costa 2008-04-08 13:20:44 -03:00 committed by Ingo Molnar
parent 459121c9ec
commit d5df63f48a
1 changed files with 0 additions and 15 deletions
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15
arch/x86/kernel/pci-nommu_64.c
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@ -35,10 +35,6 @@ nommu_map_single(struct device *hwdev, phys_addr_t paddr, size_t size,
return bus;
}
static void nommu_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
int direction)
{
}
/* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scatter-gather version of the
@ -71,20 +67,9 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
return nents;
}
/* Unmap a set of streaming mode DMA translations.
* Again, cpu read rules concerning calls here are the same as for
* pci_unmap_single() above.
*/
static void nommu_unmap_sg(struct device *dev, struct scatterlist *sg,
int nents, int dir)
{
}
const struct dma_mapping_ops nommu_dma_ops = {
.map_single = nommu_map_single,
.unmap_single = nommu_unmap_single,
.map_sg = nommu_map_sg,
.unmap_sg = nommu_unmap_sg,
.is_phys = 1,
};