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authorTushar Dave <tushar.n.dave@oracle.com>2016-10-28 10:12:45 -0700
committerDavid S. Miller <davem@davemloft.net>2016-11-18 11:17:00 -0800
commitd30a6b84df00128e03588564925dc828a53e6865 (patch)
tree9aa3298173c5cc35683d8e01259e856e1ae84921 /arch/sparc/Kconfig
parentf08978b0fdbf37d3c91efb60a20bdee3ba8f59c6 (diff)
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sparc64: Enable 64-bit DMA
ATU 64bit addressing allows PCIe devices with 64bit DMA capabilities to use ATU for 64bit DMA. Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com> Reviewed-by: chris hyser <chris.hyser@oracle.com> Acked-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/Kconfig')
-rw-r--r--arch/sparc/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 5202eb4ba2db..60145c9b9f84 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -93,6 +93,10 @@ config ARCH_ATU
bool
default y if SPARC64
+config ARCH_DMA_ADDR_T_64BIT
+ bool
+ default y if ARCH_ATU
+
config IOMMU_HELPER
bool
default y if SPARC64
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