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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

2
arch/mips/pci/Makefile
View File

@@ -2,7 +2,7 @@
# Makefile for the PCI specific kernel interface routines under Linux.
#
obj-y += pci.o pci-dac.o
obj-y += pci.o
#
# PCI bus host bridge specific code

79
arch/mips/pci/pci-dac.c
View File

@@ -1,79 +0,0 @@
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2000 Ani Joshi <ajoshi@unixbox.com>
* Copyright (C) 2000, 2001, 06 Ralf Baechle <ralf@linux-mips.org>
* swiped from i386, and cloned for MIPS by Geert, polished by Ralf.
*/
#include <linux/types.h>
#include <linux/dma-mapping.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/string.h>
#include <asm/cache.h>
#include <asm/io.h>
#include <dma-coherence.h>
#include <linux/pci.h>
dma64_addr_t pci_dac_page_to_dma(struct pci_dev *pdev,
struct page *page, unsigned long offset, int direction)
{
struct device *dev = &pdev->dev;
BUG_ON(direction == DMA_NONE);
if (!plat_device_is_coherent(dev)) {
unsigned long addr;
addr = (unsigned long) page_address(page) + offset;
dma_cache_wback_inv(addr, PAGE_SIZE);
}
return plat_map_dma_mem_page(dev, page) + offset;
}
EXPORT_SYMBOL(pci_dac_page_to_dma);
struct page *pci_dac_dma_to_page(struct pci_dev *pdev,
dma64_addr_t dma_addr)
{
return pfn_to_page(plat_dma_addr_to_phys(dma_addr) >> PAGE_SHIFT);
}
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);
void pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev,
dma64_addr_t dma_addr, size_t len, int direction)
{
BUG_ON(direction == PCI_DMA_NONE);
if (!plat_device_is_coherent(&pdev->dev))
dma_cache_wback_inv(dma_addr + PAGE_OFFSET, len);
}
EXPORT_SYMBOL(pci_dac_dma_sync_single_for_cpu);
void pci_dac_dma_sync_single_for_device(struct pci_dev *pdev,
dma64_addr_t dma_addr, size_t len, int direction)
{
BUG_ON(direction == PCI_DMA_NONE);
if (!plat_device_is_coherent(&pdev->dev))
dma_cache_wback_inv(dma_addr + PAGE_OFFSET, len);
}
EXPORT_SYMBOL(pci_dac_dma_sync_single_for_device);