dma-debug: use named initializers for dir2name

Make dir2name a little more readable and maintainable by using
named initializers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>

diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c
index 36c962a..4dd0d90 100644 (file)
--- a/kernel/dma/debug.c
+++ b/kernel/dma/debug.c
@@ -144,8 +144,12 @@ static const char *type2name[] = {
        [dma_debug_resource] = "resource",
 };
 
-static const char *dir2name[4] = { "DMA_BIDIRECTIONAL", "DMA_TO_DEVICE",
-                                  "DMA_FROM_DEVICE", "DMA_NONE" };
+static const char *dir2name[] = {
+       [DMA_BIDIRECTIONAL]     = "DMA_BIDIRECTIONAL",
+       [DMA_TO_DEVICE]         = "DMA_TO_DEVICE",
+       [DMA_FROM_DEVICE]       = "DMA_FROM_DEVICE",
+       [DMA_NONE]              = "DMA_NONE",
+};
 
 /*
  * The access to some variables in this macro is racy. We can't use atomic_t