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PCI: remove pci_dac_dma_... APIs

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Based on replies to a respective query, remove the pci_dac_dma_...() APIs
(except for pci_dac_dma_supported() on Alpha, where this function is used
in non-DAC PCI DMA code).

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Jesse Barnes <jesse.barnes@intel.com>
Cc: Christoph Hellwig <hch@infradead.org>
Acked-by: David Miller <davem@davemloft.net>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jan Beulich
2007-07-09 11:55:51 -07:00
committed by Greg Kroah-Hartman
parent b7b095c154
commit caa5171622
24 changed files with 7 additions and 464 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
arch/alpha/kernel/pci_iommu.c
View File

@@ -207,6 +207,10 @@ iommu_arena_free(struct pci_iommu_arena *arena, long ofs, long n)
p[i] = 0;
}
/* True if the machine supports DAC addressing, and DEV can
make use of it given MASK. */
static int pci_dac_dma_supported(struct pci_dev *hwdev, u64 mask);
/* Map a single buffer of the indicated size for PCI DMA in streaming
mode. The 32-bit PCI bus mastering address to use is returned.
Once the device is given the dma address, the device owns this memory
@@ -897,7 +901,7 @@ iommu_unbind(struct pci_iommu_arena *arena, long pg_start, long pg_count)
/* True if the machine supports DAC addressing, and DEV can
make use of it given MASK. */
int
static int
pci_dac_dma_supported(struct pci_dev *dev, u64 mask)
{
dma64_addr_t dac_offset = alpha_mv.pci_dac_offset;
@@ -917,32 +921,6 @@ pci_dac_dma_supported(struct pci_dev *dev, u64 mask)
return ok;
}
EXPORT_SYMBOL(pci_dac_dma_supported);
dma64_addr_t
pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page,
unsigned long offset, int direction)
{
return (alpha_mv.pci_dac_offset
+ __pa(page_address(page))
+ (dma64_addr_t) offset);
}
EXPORT_SYMBOL(pci_dac_page_to_dma);
struct page *
pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr)
{
unsigned long paddr = (dma_addr & PAGE_MASK) - alpha_mv.pci_dac_offset;
return virt_to_page(__va(paddr));
}
EXPORT_SYMBOL(pci_dac_dma_to_page);
unsigned long
pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr)
{
return (dma_addr & ~PAGE_MASK);
}
EXPORT_SYMBOL(pci_dac_dma_to_offset);
/* Helper for generic DMA-mapping functions. */