ARC: enable SG chaining

Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@intel.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/Documentation/features/io/sg-chain/arch-support.txt b/Documentation/features/io/sg-chain/arch-support.txt
index b9b6755..6ca98f9 100644 (file)
--- a/Documentation/features/io/sg-chain/arch-support.txt
+++ b/Documentation/features/io/sg-chain/arch-support.txt
@@ -7,7 +7,7 @@
     |         arch |status|
     -----------------------
     |       alpha: | TODO |
-    |         arc: | TODO |
+    |         arc: |  ok  |
     |         arm: |  ok  |
     |       arm64: |  ok  |
     |       avr32: | TODO |

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index ab12723..c75d290 100644 (file)
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -9,6 +9,7 @@
 config ARC
        def_bool y
        select ARC_TIMERS
+       select ARCH_HAS_SG_CHAIN
        select ARCH_SUPPORTS_ATOMIC_RMW if ARC_HAS_LLSC
        select BUILDTIME_EXTABLE_SORT
        select CLONE_BACKWARDS