commit eef015c8aa74451f848307fe5f65485070533bbb
author Chris Metcalf <cmetcalf@tilera.com> Wed May 09 12:26:30 2012 -0400
committer Chris Metcalf <cmetcalf@tilera.com> Wed Jul 18 16:40:11 2012 -0400
tree 7fca680be2246812c14920c0fb44fbe717786dc6
parent bbaa22c3a0d0be4406d26e5a73d1e8e504787986

arch/tile: enable ZONE_DMA for tilegx

This is required for PCI root complex legacy support and USB OHCI root
complex support.  With this change tilegx now supports allocating memory
whose PA fits in 32 bits.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

arch/tile/Kconfig

diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index a5302d3..0ad771f 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -212,6 +212,9 @@
 
 	  If unsure, say "true".
 
+config ZONE_DMA
+	def_bool y
+
 # We do not currently support disabling NUMA.
 config NUMA
 	bool # "NUMA Memory Allocation and Scheduler Support"