ARM: keystone: enable DMA zone for LPAE
Keystone II peripheral devices support 32-bit DMA and hence can access only
first 2GB of the memory address space. So set the platform dma_zone_size
to handle that case.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
diff --git a/arch/arm/mach-keystone/Kconfig b/arch/arm/mach-keystone/Kconfig
index 8a9e943..dabc5ee 100644
--- a/arch/arm/mach-keystone/Kconfig
+++ b/arch/arm/mach-keystone/Kconfig
@@ -12,6 +12,7 @@
select COMMON_CLK_KEYSTONE
select TI_EDMA
select ARCH_SUPPORTS_BIG_ENDIAN
+ select ZONE_DMA if ARM_LPAE
help
Support for boards based on the Texas Instruments Keystone family of
SoCs.
