From: Russell King Date: Sat, 13 Sep 2008 20:23:06 +0000 (+0100) Subject: [ARM] Fix PCI_DMA_BUS_IS_PHYS for ARM X-Git-Tag: v2.6.27-rc7~27^2 X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=88c381bf09d7b3f2c2e8749150087aff2c434be4;p=linux-2.6-omap-h63xx.git [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 Signed-off-by: Russell King --- diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h index 721c03d53f4..918d0cbbf06 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