commit 88c381bf09d7b3f2c2e8749150087aff2c434be4
author Russell King <rmk@dyn-67.arm.linux.org.uk> Sat Sep 13 21:23:06 2008 +0100
committer Russell King <rmk+kernel@arm.linux.org.uk> Sat Sep 13 21:35:55 2008 +0100
tree a031ea5223091c3b2be46ca825afce2695599b95
parent 68ddb1d963c44da913b0331b633828c48206351b

[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>

arch/arm/include/asm/pci.h

diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index 721c03d..918d0cb 100644
--- a/arch/arm/include/asm/pci.h
+++ b/arch/arm/include/asm/pci.h
@@ -30,7 +30,7 @@
  * 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