of: Add OF_DMA_DEFAULT_COHERENT & select it on powerpc

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / drivers / of / Kconfig

diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index e2a4841..4ba54ff 100644 (file)
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -112,4 +112,8 @@ config OF_OVERLAY
          While this option is selected automatically when needed, you can
          enable it manually to improve device tree unit test coverage.
 
+config OF_DMA_DEFAULT_COHERENT
+       # arches should select this if DMA is coherent by default for OF devices
+       bool
+
 endif # OF