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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2010-03-10 18:23:40 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 18:52:42 -0500
commit6fee48cd330c68332f9712bc968d934a1a84a32a (patch)
treeaaa9b904e612668a46ed4eac64f45c6fde71b45e /arch/arm/mach-ixp4xx
parent6e6c70e6910d21443ab0f894bab52b9ea653ef27 (diff)
dma-mapping: arm: use generic pci_set_dma_mask and pci_set_consistent_dma_mask
This converts arm to the generic pci_set_dma_mask and pci_set_consistent_dma_mask (removes HAVE_ARCH_PCI_SET_DMA_MASK for dmabounce). Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Looked-over-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Greg KH <greg@kroah.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm/mach-ixp4xx')
-rw-r--r--arch/arm/mach-ixp4xx/common-pci.c26
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/hardware.h5
2 files changed, 0 insertions, 31 deletions
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index c4a01594c761..e3181534c7f9 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -502,32 +502,6 @@ struct pci_bus * __devinit ixp4xx_scan_bus(int nr, struct pci_sys_data *sys)
502 return pci_scan_bus(sys->busnr, &ixp4xx_ops, sys); 502 return pci_scan_bus(sys->busnr, &ixp4xx_ops, sys);
503} 503}
504 504
505/*
506 * We override these so we properly do dmabounce otherwise drivers
507 * are able to set the dma_mask to 0xffffffff and we can no longer
508 * trap bounces. :(
509 *
510 * We just return true on everyhing except for < 64MB in which case
511 * we will fail miseralby and die since we can't handle that case.
512 */
513int
514pci_set_dma_mask(struct pci_dev *dev, u64 mask)
515{
516 if (mask >= SZ_64M - 1 )
517 return 0;
518
519 return -EIO;
520}
521
522int
523pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
524{
525 if (mask >= SZ_64M - 1 )
526 return 0;
527
528 return -EIO;
529}
530
531EXPORT_SYMBOL(ixp4xx_pci_read); 505EXPORT_SYMBOL(ixp4xx_pci_read);
532EXPORT_SYMBOL(ixp4xx_pci_write); 506EXPORT_SYMBOL(ixp4xx_pci_write);
533 507
diff --git a/arch/arm/mach-ixp4xx/include/mach/hardware.h b/arch/arm/mach-ixp4xx/include/mach/hardware.h
index f9d1c43e4a54..f91ca6d4fbe8 100644
--- a/arch/arm/mach-ixp4xx/include/mach/hardware.h
+++ b/arch/arm/mach-ixp4xx/include/mach/hardware.h
@@ -26,11 +26,6 @@
26#define PCIBIOS_MAX_MEM 0x4BFFFFFF 26#define PCIBIOS_MAX_MEM 0x4BFFFFFF
27#endif 27#endif
28 28
29/*
30 * We override the standard dma-mask routines for bouncing.
31 */
32#define HAVE_ARCH_PCI_SET_DMA_MASK
33
34#define pcibios_assign_all_busses() 1 29#define pcibios_assign_all_busses() 1
35 30
36/* Register locations and bits */ 31/* Register locations and bits */