xtensa: reimplement DMA API using common helpers
- keep existing functionality: don't handle attributes, don't support
high memory;
- implement scatterlist primitives (map/unmap/sync);
- enable DMA API debug.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index e5b872b..6ce10f9 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -14,6 +14,8 @@
select GENERIC_IRQ_SHOW
select GENERIC_PCI_IOMAP
select GENERIC_SCHED_CLOCK
+ select HAVE_DMA_API_DEBUG
+ select HAVE_DMA_ATTRS
select HAVE_FUNCTION_TRACER
select HAVE_IRQ_TIME_ACCOUNTING
select HAVE_OPROFILE
