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Commit aba945e7 authored by David S. Miller's avatar David S. Miller
Browse files

sparc32: Kill mmu_translate_dvma() usage. 



Just simply use virt_to_page() on the provided virtual address pointer.

Kill #if 0'd code.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 10a104f9

arch/sparc/kernel/ioport.c

+1 −35
Original line number Diff line number Diff line
@@ -383,7 +383,7 @@ void sbus_free_consistent(struct device *dev, long n, void *p, u32 ba) 
	kfree(res);



	/* mmu_inval_dma_area(va, n); */ /* it's consistent, isn't it */

	pgv = mmu_translate_dvma(ba);

	pgv = virt_to_page(p);

	mmu_unmap_dma_area(ba, n);



	__free_pages(pgv, get_order(n));
@@ -428,46 +428,12 @@ void sbus_unmap_sg(struct device *dev, struct scatterlist *sg, int n, int direct 
	mmu_release_scsi_sgl(dev, sg, n);

}



/*

 */

void sbus_dma_sync_single_for_cpu(struct device *dev, dma_addr_t ba, size_t size, int direction)

{

#if 0

	unsigned long va;

	struct resource *res;



	/* We do not need the resource, just print a message if invalid. */

	res = _sparc_find_resource(&_sparc_dvma, ba);

	if (res == NULL)

		panic("sbus_dma_sync_single: 0x%x\n", ba);



	va = page_address(mmu_translate_dvma(ba)); /* XXX higmem */

	/*

	 * XXX This bogosity will be fixed with the iommu rewrite coming soon

	 * to a kernel near you. - Anton

	 */

	/* mmu_inval_dma_area(va, (size + PAGE_SIZE-1) & PAGE_MASK); */

#endif

}



void sbus_dma_sync_single_for_device(struct device *dev, dma_addr_t ba, size_t size, int direction)

{

#if 0

	unsigned long va;

	struct resource *res;



	/* We do not need the resource, just print a message if invalid. */

	res = _sparc_find_resource(&_sparc_dvma, ba);

	if (res == NULL)

		panic("sbus_dma_sync_single: 0x%x\n", ba);



	va = page_address(mmu_translate_dvma(ba)); /* XXX higmem */

	/*

	 * XXX This bogosity will be fixed with the iommu rewrite coming soon

	 * to a kernel near you. - Anton

	 */

	/* mmu_inval_dma_area(va, (size + PAGE_SIZE-1) & PAGE_MASK); */

#endif

}



/* Support code for sbus_init().  */