arch/tile: enable ZONE_DMA for tilegx
authorChris Metcalf <cmetcalf@tilera.com>
Wed, 9 May 2012 16:26:30 +0000 (12:26 -0400)
committerChris Metcalf <cmetcalf@tilera.com>
Wed, 18 Jul 2012 20:40:11 +0000 (16:40 -0400)
commiteef015c8aa74451f848307fe5f65485070533bbb
tree7fca680be2246812c14920c0fb44fbe717786dc6
parentbbaa22c3a0d0be4406d26e5a73d1e8e504787986
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
arch/tile/kernel/pci-dma.c
arch/tile/kernel/setup.c
arch/tile/mm/init.c