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Commit d5df63f4 authored by Glauber Costa's avatar Glauber Costa Committed by Ingo Molnar
Browse files

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: default avatarGlauber Costa <gcosta@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 459121c9

arch/x86/kernel/pci-nommu_64.c

+0 −15
Original line number Original line Diff line number Diff line
@@ -35,10 +35,6 @@ nommu_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, 
	return bus;

	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

/* Map a set of buffers described by scatterlist in streaming

 * mode for DMA.  This is the scatter-gather version of the

 * 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;

	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 = {

const struct dma_mapping_ops nommu_dma_ops = {

	.map_single = nommu_map_single,

	.map_single = nommu_map_single,

	.unmap_single = nommu_unmap_single,

	.map_sg = nommu_map_sg,

	.map_sg = nommu_map_sg,

	.unmap_sg = nommu_unmap_sg,

	.is_phys = 1,

	.is_phys = 1,

};

};