ARM: use phys_addr_t for DMA zone sizes
In order to specify a DMA zone size of 4GB on LPAE systems, the sizes need
to be 64-bit. So make machine_desc.dma_zone_size and arm_dma_zone_size be
phys_addr_t instead of unsigned long.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 15225d8..c0bb66e 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -207,7 +207,7 @@
#ifdef CONFIG_ZONE_DMA
-unsigned long arm_dma_zone_size __read_mostly;
+phys_addr_t arm_dma_zone_size __read_mostly;
EXPORT_SYMBOL(arm_dma_zone_size);
/*