1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 23b8726962af..00e13ce5cbbd 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -208,6 +208,15 @@ config DMA_SHARED_BUFFER
           APIs extension; the file's descriptor can then be passed on to other
           driver.
 
+config FENCE_TRACE
+        bool "Enable verbose FENCE_TRACE messages"
+        depends on DMA_SHARED_BUFFER
+        help
+          Enable the FENCE_TRACE printks. This will add extra
+          spam to the console log, but will make it easier to diagnose
+          lockup related problems for dma-buffers shared across multiple
+          devices.
+
 config DMA_CMA
         bool "DMA Contiguous Memory Allocator"
         depends on HAVE_DMA_CONTIGUOUS && CMA