diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-09-13 22:23:06 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-09-13 22:35:55 +0200 |
| commit | 88c381bf09d7b3f2c2e8749150087aff2c434be4 (patch) | |
| tree | a031ea5223091c3b2be46ca825afce2695599b95 /arch | |
| parent | Merge branch 'for-rmk' of git://pasiphae.extern.pengutronix.de/git/imx/linux-... (diff) | |
| download | linux-88c381bf09d7b3f2c2e8749150087aff2c434be4.tar.xz linux-88c381bf09d7b3f2c2e8749150087aff2c434be4.zip | |
[ARM] Fix PCI_DMA_BUS_IS_PHYS for ARM
PCI_DMA_BUS_IS_PHYS was defined to be zero, which meant we ignored
the DMA mask for IDE and SCSI transfers. This is wrong - we have
no DMA translation hardware. We want to obey DMA masks so that the
block layer performs bouncing itself.
Reported-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/pci.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h index 721c03d53f4b..918d0cbbf064 100644 --- a/arch/arm/include/asm/pci.h +++ b/arch/arm/include/asm/pci.h @@ -30,7 +30,7 @@ static inline void pcibios_penalize_isa_irq(int irq, int active) * The networking and block device layers use this boolean for bounce * buffer decisions. */ -#define PCI_DMA_BUS_IS_PHYS (0) +#define PCI_DMA_BUS_IS_PHYS (1) /* * Whether pci_unmap_{single,page} is a nop depends upon the |