From a6a398341d5d073a717858b4488a7abe5f242cf2 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Thu, 1 Aug 2013 15:50:55 -0500 Subject: ARM: highbank: enable DMA zone for LPAE Some devices are restricted to 32-bit DMA. Thus the platform dma_zone_size needs to be set. Otherwise dma-mapping code is complaining, e.g. calxedaxgmac fff50000.ethernet: coherent DMA mask 0xffffffff is smaller than system GFP_DMA mask 0xffffffffffffffff Signed-off-by: Andreas Herrmann Signed-off-by: Rob Herring --- arch/arm/mach-highbank/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arm/mach-highbank/Kconfig') diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig index cd9fcb1cd7ab..efe49610ec4c 100644 --- a/arch/arm/mach-highbank/Kconfig +++ b/arch/arm/mach-highbank/Kconfig @@ -18,3 +18,4 @@ config ARCH_HIGHBANK select PL320_MBOX select SPARSE_IRQ select USE_OF + select ZONE_DMA if ARM_LPAE -- cgit