Commit ce63e6bd authored Oct 25, 2009 by Russell King

ARM: integrator: allow Integrator to be built with highmem



This fixes Integrator builds with highmem enabled; we need to
translate from 'struct page' to a DMA address, and this is not
possible without __pfn_to_bus().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent ab72b007

arch/arm/mach-integrator/include/mach/memory.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -28,5 +28,6 @@
		#define BUS_OFFSET UL(0x80000000)
		#define __virt_to_bus(x) ((x) - PAGE_OFFSET + BUS_OFFSET)
		#define __bus_to_virt(x) ((x) - BUS_OFFSET + PAGE_OFFSET)
		#define __pfn_to_bus(x) (((x) << PAGE_SHIFT) + BUS_OFFSET)

		#endif